MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to distribute further malicious content or conduct phishing. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a tactic to obscure the true destination of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e0494bed8---nopojuguxovurazesawun.pdf In PDF document text
- http://magooferta.pl/uploads/fck/file/femulig.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080d1827aa72---suwasewikoremefumitubo.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/motovezagunezejada.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a20fdac532e851c74e33cba53eaa0ee1/voxuzege.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/89a27084069cd3a343589fbf127fca18/2024206422.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160805f7ac66e7---fuwujirijumiwabo.pdfIn PDF document text
- https://reniuved.it/file/zirizebug.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/de7dbcec9867b76c64d165f88e4a0cb3/xenixepuzajemovoz.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b8013b51b31---labogudebu.pdfIn PDF document text
- https://deniz-sogutma.org/img/userfiles/file/56583740461.pdfIn PDF document text
- http://alphabodysupplements.com/newerac2c/userfiles/file/56258888623.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/7tl58747ufod59hvum6ibl8sm7/magov.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/53rrpanbktf8euiipghikh14p3/92622602503.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16074169bd8d0e---wigewerizimekamelodi.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96e0f2b41---gowukuziw.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080b6112afd9---pitafu.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/g6u8n4u9h0cqv3qij2o53r65mo/83723932668.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608246a2711e4---gabumujixokabewu.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/finagenapogitosofono.pdfIn PDF document text
- https://eltonltd.ru/sites/default/files/uploads/96283460522.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e9977dc83---dimajexezirosupanepigimiw.pdfIn PDF document text
- http://konyaozgunmobilya.com/userfiles/file/25533672677.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/91b6dd9537e839e64ae3529ad2b95281/62130165580.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=fainting+while+giving+bloodPDF 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_off0000fb56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB56 | 16688 bytes |
SHA-256: b4c799d0d67f88492703f39b3d9a6c145512eec48ffd6f86c7bc6c3c4f12a9f0 |
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font_01_sfnt_off000126a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126A7 | 10528 bytes |
SHA-256: 7fe8e1935423ed0db6bdc81951c72de65f55ada0d3b376cd6bd9ed46fead58dd |
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font_02_sfnt_off00013e54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E54 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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