MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for Pdf.Phishing.Trojan. The presence of numerous external URLs, many pointing to compromised WordPress sites, suggests a phishing or malware distribution attempt. The document body, though partially corrupted, contains a link that appears to be a lure for downloading content.
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://krisoc.ru/uplcv?utm_term=download+song+tu+tu+hai+wahi+mp3 PDF link annotation
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815d5db6f45---62897814755.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/eb7d58fa4841378efeb2c67d0beeca33/39641371057.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/rosawaxumadelelodoxide.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/oqdthrbe7n7qoilkd1f12aensj/22043390622.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/47a734b82eb33fb8467d135d814e1242/wovizetoxidepodisodilovo.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ac7532cade2---39811208026.pdfIn PDF document text
- http://texasstatealphaxialumnae.com/clients/f/fe/fe72632f573fdc77cca6b85875c63e8a/File/78913382942.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/19689051845.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7db45c1e69---20660797852.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/vebufesosekeropimale.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5d558ff72---17316541367.pdfIn PDF document text
- https://www.rockfallco.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c0014fadf---tazomeso.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/wuzevexar.pdfIn PDF document text
- https://www.haievent.com/wp-content/plugins/super-forms/uploads/php/files/ojctthgc57r9eh1mad2ol12voa/nebowumozarunex.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/of790skkpns4d07sg4u0rtnbfl/pulavopisosap.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608260463e81d---6463124435.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_off0000b755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB755 | 5532 bytes |
SHA-256: d2fc6aa475949702109d6f82b4534821a1400ea174f00f90a0986874d958cbd9 |
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font_01_sfnt_off0000ca22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA22 | 10868 bytes |
SHA-256: 6e005f2b6e7a98f36259bb3c19fb6ce8fb8e41c0f417471e1c38b835a9f0b88a |
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