MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links pointing to compromised WordPress sites, suggesting an attempt to host and distribute malicious files. The presence of a 'download button' heuristic further supports the lure-based attack pattern. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest it's designed to trick users into downloading malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://chcial.ru/uplcv?utm_term=dead+trigger+1+apk+mod PDF link annotation
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/b777e7e57fb5a52c94de515174023689/dosilimexogofovuwige.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/b99f4c38ce870a730770939dba1cbac6/sewoteburagetuviv.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16093d2b3c37bb---36149976238.pdfIn PDF document text
- https://yucekalipmakina.com/tsrm1/img/userfiles/file/37886887185.pdfIn PDF document text
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/c7a691c9c6542436cf395c4d8afba626/82734083283.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/wixefotimuduvuwukurij.pdfIn PDF document text
- http://mujuerp.com/uploads/ckeditor/files/20210528001720.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f4752d42a---64749547261.pdfIn PDF document text
- https://mebelihome.ru/upload_picture/pukig.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ff9ceaf6c---16673069003.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/0d7c83a9d85a3b324e972d4be85e38fa/kedox.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/adbdeeac6886949ed2747d4330042bdd/bixaxanoveti.pdfIn PDF document text
- https://avenue102.com/uploads/file/84322848405.pdfIn PDF document text
- http://asokmontridental.com/userfiles/file/58368991369.pdfIn PDF document text
- http://uniroll.pl/user_images/file/bugakiviwudidison.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e4ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4AC | 5184 bytes |
SHA-256: 71a72cfe9d42ef028268104ce61d80076f6af90e4291130645b349cf54476eb4 |
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font_01_sfnt_off0000f643.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF643 | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off0000fed0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED0 | 12860 bytes |
SHA-256: ddc0f617b9d714544b57c76ab95804a609e1c9d47b9a76826cd138f7539cf61c |
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