MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 https://media-get.com/userfiles/files/nebegabulebakaxizupoj.pdf In PDF document text
- http://www.alrafeef.com/faisaliya/js/ckfinder/userfiles/files/89764649887.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa7969bce4---nulovisezegibajija.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/01rvo5vu0e5d3emg67dgtcpevm/87733608394.pdfIn PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/pibiroselavu.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1f711e2d9---fanukolaxekivitidir.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/sf09latr4nsivejd205n1r01gu/vibolekisononumipupe.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/66875033373.pdfIn PDF document text
- https://basundharamart.com/userfiles/file/65624081840.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609d6c4f63a21---33280904521.pdfIn PDF document text
- http://uniradioweb.info/userfiles/files/57959544504.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/6f5868e7217e8eeedfb4bc05c8745a56/vikavunexoguzipiwexabebiw.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089312e16e60---83002542741.pdfIn PDF document text
- http://greenreunion.org/clients/f/fd/fd69eab1634eeea6368acebbe5d5cb0d/File/51143117536.pdfIn PDF document text
- https://razredna-nastava.net/files/71884196284.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16075b0f446f45---dujesetupobivetese.pdfIn PDF document text
- https://wemservice.com/ckfinder/userfiles/files/pabirujamokizokajid.pdfIn PDF document text
- http://jumpstart.mobi/ckfinder/userfiles/files/vudovejufiwisenopefut.pdfIn PDF document text
- http://lambanghieuquangcaogiare.net/vietkiendo/upload/file/3714767555.pdfIn PDF document text
- http://kompletucetnictvi.cz/files/file/56066751799.pdfIn PDF document text
- http://suachuathietbi.com/upload/files/letomeveta.pdfIn PDF document text
- http://due.pt/js/ckfinder/userfiles/files/48804278650.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/c7e41e06a6d4abd7394625fb698213a3/38985562336.pdfIn PDF document text
- http://abw10thstreetne.com/uploads/files/bilobuwizomabugiwaxim.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/f7e95d9c43dd8ab03c9f86c9a8d92c2d/64223491496.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=10th+up+board+date+sheet+2020+pdf+downloadPDF link annotation
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDFF | 11028 bytes |
SHA-256: 1e95ec94c2cb11524d3cce48e89cae1baa3c6f95e45ce4548667f18284d89ee1 |
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font_01_sfnt_off0000f779.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF779 | 19776 bytes |
SHA-256: 2b6e06c4553ff22dc5814488820b4547fd13c6189c9cb53f5d5782191b4137ff |
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font_02_sfnt_off00012bd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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