MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing attack designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://nomylo.ru/uplcv?utm_term=dichotomous+key+practice+answers PDF link annotation
- http://alfavit.tv/userfiles/file/vabasefuw.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/35f3a7d09c731bcfdfb320b83636d16f/vavadojekinakotegerinimuk.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/bb9da271b8977791854d19c170251547/fewap.pdfIn PDF document text
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/9ad7a69bd6e381ab03aa135ba84dddff/84737274628.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/sazabuzelivoritesugi.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16080cca1247e1---lewowonarerokawixugox.pdfIn PDF document text
- http://akssert.com/userfiles/files/tijep.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be4994b5ff9---mefezakitawimofosebereto.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608256cc9775f---41338139812.pdfIn PDF document text
- http://ferramentabelleggia.it/public/file/89094515858.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b035dd14bbe4d5183d936a9d3e2322c2/jawigotojodajuxotufabo.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070d368846c0---66502112733.pdfIn PDF document text
- https://agenciaboom.com/wp-content/plugins/super-forms/uploads/php/files/m21roo58lqctv690bhpof0bb84/71070986775.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/ik6v28dnq78b0h8jcihucrk76d/puzedorasileroxod.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/jelajaviwe.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d438bc82b1---powakonixiwobufik.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000e3f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F6 | 5400 bytes |
SHA-256: c0c6f25e3720d2a6ea3019cef106b3ebf734f69038dc435130c2f06fa224c5a4 |
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font_01_sfnt_off0000f645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF645 | 10772 bytes |
SHA-256: f2d1a44b0c0a12bc7ffb07d2613e882ff812a208a6f79b6743629ab530b268b2 |
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