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 WordPress installations, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a phishing lure or a distribution point for further malware. No scripts were extracted, but the PDF structure itself facilitates the attack.
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://oniceh.ru/uplcv?utm_term=catherine+lore+era+of+chaos PDF link annotation
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/f22bb275b7daf226f1af26c3aa938a94/70701537113.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0f279a085---madisegex.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8b7339939---12651679935.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/20552655083.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/18d44cf86d5b6acd1dfd0e7cdcf180bd/vuravilo.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c9f313fb0---48368759485.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/915aa39e153129746b324af0ea81cb96/94426514569.pdfIn PDF document text
- http://alisawedding.com/upload/users/files/12222483728.pdfIn PDF document text
- https://bleikss.com/userfiles/file/nanekowizafixawogomavafok.pdfIn PDF document text
- https://asharfilalkulfi.com/ckfinder/userfiles/files/lebovo.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b19d3b0a676---90320369366.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/74d5e1acc962a02adf610dd482e0d8a2/18401222848.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/95889312665.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a53c3661a7c---tagusupaxekiwumolo.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/3e5559a9057c2919587eb230f4e05a9d/81134482849.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/62dd822f4eae6aea18f97c027870148b/96449332361.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_off00013655.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13655 | 4876 bytes |
SHA-256: ec46c039a873b33f0cfd261d109dfb060e94456aa585b56fa9fdc2f2048b089f |
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font_01_sfnt_off000146dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146DC | 11128 bytes |
SHA-256: feed09ad283f71d0272dd80f94bab1674ba4b67b27ff73b201196eeb27374364 |
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