MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains embedded JavaScript and links to algorithmically-generated URLs, indicating a malicious intent to redirect users to potentially harmful content. The ML classifier and ClamAV detection strongly suggest this is a phishing or trojan delivery mechanism. The embedded JavaScript likely facilitates the redirection or execution of a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://jorkurojus.com/userfiles/file/36637711799.pdf In PDF document text
- http://dalnoboy.org/data/filestorage/upload/files/dololilebojugoveguwa.pdfIn PDF document text
- http://siamsankyo.com/Uploads/file/zidinonikaxivonubula.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/3847af37cb4649ad010bcd95f0d869d1/molilatuvidexofedalit.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/11d560e127115bea7011fee310ab4111/26206138134.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1a63c9340---ferozigevax.pdfIn PDF document text
- https://snqrsl.quebec/upload/editor/file/2439955198.pdfIn PDF document text
- http://jessie.vn/images/ckeditor/files/34252883802.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608df90ec5180---47044686472.pdfIn PDF document text
- http://sola-brothers.com/userfiles/file/kinakipamajazub.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b97cb50e710---52270359635.pdfIn PDF document text
- http://saeronbio.com/userData/board/file/pigaledibefetotakuxelin.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/o68qn99gjiovjqop4ttqdjeioe/busorojogegip.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/73906828124.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/87b614b1fb9768b3bd575622ec337e97/14234324520.pdfIn PDF document text
- http://brucemaymemorialgolftournament.com/clients/d/d2/d245e0393a5bbb16d67b82808c007790/File/denirewupox.pdfIn PDF document text
- http://studio5r.com/userfiles/files/vevek.pdfIn PDF document text
- https://www.rockfallco.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c79a54a932---4162564149.pdfIn PDF document text
- http://padgettlawreunion.com/clients/79772/File/31645426643.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f885a5755f---dejuxugenurudobiru.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609d87f791b10---56565746460.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a08801cf78f---turixofiti.pdfIn PDF document text
- http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/vetuxebu.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/0a5dda82021da1acec2622f8f97bdafe/girojazurofuzibebituka.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.info/upload/files/tatuzokarozod.pdfIn PDF document text
- http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/nusixenotalanuwixo.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607054b746f30---53318702976.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=probability+of+continued+employment+answerPDF link annotation
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/0ff3bd4ca87fa085c271c9a46e716a44/60421822478.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011b8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B8F | 17668 bytes |
SHA-256: 6159e718bed0fef76329e3ff206eabc9ab4b4ced65b4e02a7b472b347c8cbf14 |
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font_01_sfnt_off00014a32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A32 | 11220 bytes |
SHA-256: 8616a4c8b18e393477df34e719040de4ff6bdfeced0ba085f2cd1a7e9a056652 |
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font_02_sfnt_off0001644f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1644F | 16252 bytes |
SHA-256: bfc7ce51a1a9b37382af61f0075eb0cdb972126da031002d338643432d80e6e4 |
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font_03_sfnt_off00017a2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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