MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, suggesting it functions as a link farm to redirect users to malicious sites. The document body is unreadable, but the heuristic firings strongly suggest a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://andlupa.com/userfiles/file/25363485629.pdf In PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/51540338382.pdfIn PDF document text
- http://chieusangducphat.com/uploads/userfiles/file/56338221443.pdfIn PDF document text
- http://olympusflights.com/files/files/29375300508.pdfIn PDF document text
- https://ita.kru.ac.th/ckfinder/userfiles/files/87673487511.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f255c66924---72443283779.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160966f491bbbd---99698339803.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/cc90eb889556114e6d0c29dc08eface6/tawipadobomifajuva.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/cd8fe1cfc786431e75f36d17e6ba6279/17918340635.pdfIn PDF document text
- http://mojahotels.com/ckfinder/userfiles/files/29233200081.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084eb218c2fa---tijunapeg.pdfIn PDF document text
- http://dishandspoonproductions.com/ckfinder/userfiles/files/45644232021.pdfIn PDF document text
- https://luminex.pl/upload/file/37118479333.pdfIn PDF document text
- http://alrabbancapital.com/file/files/75750483195.pdfIn PDF document text
- http://kaushalacademy.org/ckfinder/userfiles/files/90376887689.pdfIn PDF document text
- https://traffictkt.com/viking1/uploads/files/zofetobozajesisalamojo.pdfIn PDF document text
- http://superplasticizer.cn/d/files/zoxed.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aebd4dcb473---texutun.pdfIn PDF document text
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/bf643a2c3b43e4af62282dd2241d402b/kosolejenoxunakux.pdfIn PDF document text
- https://giolog.biz/images/bulk_images/files/jeviv.pdfIn PDF document text
- https://jackyrouxmethode.com/userfiles/file/56655434036.pdfIn PDF document text
- https://rosycaffe.com/file/purow.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/jthlughlq7ds3ukkoph3hmpobn/kibovomabotu.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16079dd1cb72fb---39895921678.pdfIn PDF document text
- http://ventexevent.se/uploads/file/xoroxa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=ver+pelicula+shutter+island+online+castellanoPDF 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_off0000e2ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2CA | 17488 bytes |
SHA-256: 7a75ecd5ee90e9d24b64f4b754fc2a58af49e240420c7b2ec8a160e9d11efa33 |
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font_01_sfnt_off00010fb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FB0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000127c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C7 | 10680 bytes |
SHA-256: da2b9411d608216235883d5c03879832fd5e64e254f6c80a98d4230efe0f8318 |
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