MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm pointing to compromised WordPress uploads and disposable hosting. The embedded URLs, such as 'https://ketchas.ru/uplcv?utm_term=barbara+cartland+pdf+gratuit', suggest a phishing or malware distribution lure, likely disguised as a free download. Although no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to malicious sites.
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://ketchas.ru/uplcv?utm_term=barbara+cartland+pdf+gratuit PDF link annotation
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/d313f16322f0c14c3cf4e35baf61a0e9/vumemumusuxazufafo.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160915e8e01006---51029655029.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/55476951196.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/77075151016.pdfIn PDF document text
- http://daivupaint.com/img-chamthi/files/xaluvisovulexibex.pdfIn PDF document text
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/c3gkip4p2te4dj5hqum09dsnqe/laleritujebodav.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce6895acd1---tutaserakilomet.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/ebcjauikrbbaf2akgm76pfj40v/jegogagezoderurogilo.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94c587fbd4---ropitisuravununa.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/32545264999.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/63760ebdc7bab451608830125b5b298b/dulafam.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/cad26808f20289a38181310318c4e3e6/78509042417.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/butamunalumejavomasages.pdfIn PDF document text
- http://koszyczarek.pl/userfiles/file/povolonaseluzozofabud.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a01fe9719---91027391791.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_off00012d64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D64 | 5332 bytes |
SHA-256: ea3290663852d3c3d353fe6b540e311270ff742060abff683c409f372975dedf |
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font_01_sfnt_off00013f94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F94 | 14416 bytes |
SHA-256: 924b424acf305a23c6f1feb6e19ebb75e5b5b93f496ebefddf2b9eef2278e91b |
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