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, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/f67c841b09254f9f26be828e16ebef4c/28277756311.pdf In PDF document text
- http://alpha-th.com/userfiles/file/68104834143.pdfIn PDF document text
- http://mientrungpetrohotel.com/users/files/rafapipewefowuleboj.pdfIn PDF document text
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/7cgov12osjoibgsoel02tih9f4/16064508467.pdfIn PDF document text
- http://sage-chem.com/image/files/20210610_163149.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/kue08fmsa3rjh1l0abfn2ck386/bosukanamabajivil.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7741934d45---gurawirefasel.pdfIn PDF document text
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/0c6d01c08ad5dc48790205ec2bba95d8/13566101208.pdfIn PDF document text
- https://kcharp.com/ckfinder/userfiles/files/72434433909.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/62d49998407b84d4a5b5df185a248120/50982479572.pdfIn PDF document text
- https://shoppingplanet.ro/ckfinder/userfiles/files/resilegadijed.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/fkkbkct6m1idk8v18b7joc5get/67609642735.pdfIn PDF document text
- http://fructusartis.com/i/File/86848607035.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/md8dpll38tckght4fu6ddd5594/jiwibolodi.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/6da93cdd1cc394f154e0982015eed6a4/xuduwe.pdfIn PDF document text
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/e30f328214070bc2680be283c47907bc/mibumul.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=human+anatomy+and+physiology+lab+manual+cat+version+10th+editionPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE315 | 5944 bytes |
SHA-256: 851e7046ed3d707ebcf810c4c09ea1d60bb79757ee9f78b69a66a00d2c8c996d |
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font_01_sfnt_off0000f735.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF735 | 10328 bytes |
SHA-256: 6bf639005d2e9213182d8d46a4e3623ad7cb38c86e03c74f4911e45973e09f41 |
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