MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document's apparent purpose is to lure victims through a fake utility, likely leading to further compromise.
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://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/183gntmepo35s4sho6vhe3euhc/42100126962.pdf In PDF document text
- https://alutat.com/data/file/91216344233.pdfIn PDF document text
- http://onlineexpert.in/userfiles/file/xotarifejedid.pdfIn PDF document text
- https://istanajp2.com/contents//files/zuwulu.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe01f85978---84091774271.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/b764a0e8c01c79b72bd2aad305b752dd/22916844366.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0e212db46---vujov.pdfIn PDF document text
- http://gtshotel.it/images/file/pobaxetalevubuvebe.pdfIn PDF document text
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/facd02ff849e8e327341345d1861c3c5/zokiwinena.pdfIn PDF document text
- http://ctkupavna.ru/upload/file/81925752120.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d8c3b18c8---92005711607.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/16784e3181699249e94fdafc38ac9e37/64703113875.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/e6177730818fa6806ad3932ba63eede5/botodo.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/86b03901fb2876bd15f8c81059e28cf1/78913842265.pdfIn PDF document text
- http://maekuangudomthara.com/ckfinder/userfiles/files/82921594242.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/e9t92s68ukh6j48qg512tp5vlp/bonizaketalelerawarel.pdfIn PDF document text
- http://yilip.net/userData/board/file/zumatozifapodijawanawugad.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/~3/1KS0DP0cxss/uplcv?utm_term=convert+pdf+to+handwritten+notesPDF 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_off0000b8ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8ED | 5156 bytes |
SHA-256: 95425bf4228de5564a3fd9cd1a23dda70ba2c7ccc38c8ec23e8b37128625c521 |
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font_01_sfnt_off0000ca84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA84 | 10680 bytes |
SHA-256: 2d1f7ea11e0040a037d4d0ce6398dced6a2b3896d682d6f1c613638f79f7e3c9 |
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