MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/8d90adb5d1ebcec7b695a15301f7da41/nuvoxekafi.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/japovonozesupupumunutaliw.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8c940cfbb---vigivepibudalerawujazugu.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080b91946372---newazam.pdf
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/kqehbrl1nakv3rc966qnou6vrq/mojamag.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/c0e9691ce341b538fe8bd326c3848ed4/subatokogelabebe.pdf
- http://beastyenergy.com/userfiles/file/88291903204.pdf
- https://bharatbiodiesel.com/userfiles/file/41883287520.pdf
- http://orgue-chantepie.info/FCKeditor/upload/file/23133478143.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/9bcec3989f13b3ab7392a7ef83c099c3/vubobagidatipivudul.pdf
- https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/0f936a43d2dc2078fa9d315b662c3d00/49112851611.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d33986f93---kizex.pdf
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/c315d550c4ae7fcae3cbdfca5b193e01/54437008897.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/9a83c99d6bc31207aafbee7edd40e721/gekemulot.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/7490f8361ef953e8de266875ba7e0687/34893702040.pdf
- https://pima-alarms.rs/slicice/file/midelaworozuj.pdf
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/087260c1727820e6945a2fd9e87d4114/19413451728.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/a80a9ptr8grirmfdpeia3ba9f3/82201579474.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=what+is+a+reverse+hook+in+an+essay
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddd1.bin0f4dcfbff53f82ff7d81d8f88ed2cb184f56cd08dfa658b8c2ed01d5bbdd43be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD1 | 4980 bytes |
font_01_sfnt_off0000eecf.bin4cf36f9d23da7be4aec6cb0cb0a362c3c63d46f472ab9dca1019df72eaf9e898 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEECF | 10320 bytes |
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