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 it likely exploits vulnerabilities or serves as a phishing lure. The file contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF link farm heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://voijin.com/userfiles/files/bepizafo.pdf In PDF document text
- http://harchovyk.com/userfiles/file/rumagijudeguzobesisu.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/b5078ac26022f57c0547d126cd042f2c/vozupoded.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/tulilurinamadirotasevu.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/zulujosagimofakagaj.pdfIn PDF document text
- http://awkontrakt.pl/ckfinder/userfiles/files/ruxijogetaweduwivuja.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/seremuvozofavodonu.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/bdf8677036ba94754a2a8fdb665fdd92/24493244949.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9b4d1d7e9---zamabemutajavijagimujebo.pdfIn PDF document text
- http://france-ex.com/images/blog/file/64284236638.pdfIn PDF document text
- http://patrick-jardinage.fr/ckfinder/userfiles/files/81323505870.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160adeb4f1b41f---14051877356.pdfIn PDF document text
- http://www.golfusa.be/userfiles/files/97792091432.pdfIn PDF document text
- https://daynexweb.com/upload/ckfinder/files/52227366606.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/36631381591.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/65668280932.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/fcece2b75189d639fed7bb55c0ea51ef/wolixaxezezus.pdfIn PDF document text
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/i88k8ebamsul3fmd0dclk7lg3b/64510764451.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=graphic+design+books+free+pdfPDF link annotation
- https://www.posluh.hr/ckfinder/userfiles/files/834723734.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d759.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD759 | 17688 bytes |
SHA-256: a41ee560934767f08d6dbf682821a32807890c94c27cc0e66475283f5c61df17 |
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font_01_sfnt_off00010569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10569 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D80 | 11028 bytes |
SHA-256: 022b7cdf8e26fa99da5beb486a0c932ac23e8cda407da7f8a7fe9a9fc3033c0e |
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