MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised websites. These links likely serve to lure users into downloading further malicious content or submitting sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://synerhu.ru/uplcv?utm_term=prayers+of+the+faithful+28th+sunday+in+ordinary+time+year+a PDF link annotation
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614203759f3fe---bikokesoparonolazek.pdfIn PDF document text
- http://proxima-design.cz/files/file/41326862831.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136839013172---kowogupidikorodi.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f2f40cfcd---vixukodesebolapegerijamo.pdfIn PDF document text
- http://telekommarketing.com/firme_data/files/87799535254.pdfIn PDF document text
- http://retailcop.ca/files/52829556767.pdfIn PDF document text
- http://sujitonweb.com/userfiles/files/xajik.pdfIn PDF document text
- https://mbzgogo.xyz/web/img/podborky/files/jogonugenajevolon.pdfIn PDF document text
- https://panegovernance.com/ourprojects/chowki/UserFiles/file/1715600029.pdfIn PDF document text
- http://architettomontanino.eu/userfiles/files/munudetikigon.pdfIn PDF document text
- http://yokosohk.com/files/fckfiles/file/babagam.pdfIn PDF document text
- http://strap.sk/uploads/file/visofepibisuxu.pdfIn PDF document text
- https://yodishit.com/uploads/userfiles/file/garurobozijilemopedora.pdfIn PDF document text
- http://azinsaghf.com/cache/fck_files/file/runeziwirowijelu.pdfIn PDF document text
- http://theflowermaker.com/uploads/File/69436308927.pdfIn PDF document text
- https://iwanbim.com/userfiles/files/8687334170.pdfIn PDF document text
- http://xn--aknmedcal-wpbe.com/uploads/file/77288406857.pdfIn PDF document text
- http://dga.gr/ILC/img/file/57042382852.pdfIn PDF document text
- http://infinity-pro.ru/userfiles/file/95427056480.pdfIn PDF document text
- https://taiwan-tiaya.com/upload/tiaya_official/files/roxadujenijuxonidujugej.pdfIn PDF document text
- https://rcot.org/userfiles/file/30747496674.pdfIn PDF document text
- http://headlinesdinerla.com/uploads/files/lijavamifizut.pdfIn PDF document text
- http://kbautotech.com/board/datafiles/imagefile/mibagofelejerisafulo.pdfIn 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB17 | 17408 bytes |
SHA-256: 4d6a7a572af674af9ca66fe79be1989bb6beae5c5d76223352d4251cf689a237 |
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font_01_sfnt_off00010737.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10737 | 11164 bytes |
SHA-256: c8d29fe22d2a80ff593ed711aae941f681fcaa768f474925466248052bbb5ce7 |
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font_02_sfnt_off00012130.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12130 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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