MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains numerous external links, including one pointing to a compromised WordPress upload, and another with a 'utm_term' parameter suggesting tracking for phishing campaigns. The PDF structure and embedded links indicate it's designed to redirect users to potentially malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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=adb+not+running PDF link annotation
- http://nacyc.jp/Upload/file/17476964896.pdfIn PDF document text
- http://massintech.ru/img/outer/files/14454923717.pdfIn PDF document text
- http://cn-polylysine.com/d/files/solofagamelowixesan.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410ed6d52a3---80399688628.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9109e2c66---19839671020.pdfIn PDF document text
- http://klubalfa.org/img/userfiles/file/96391137607.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139607b2d77c---66021768481.pdfIn PDF document text
- https://inprovitperu.com/ckfinder/userfiles/files/rozexatuve.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/27746515331.pdfIn PDF document text
- http://studiotecnicomartani.eu/userfiles/files/saxerudaxifagiwedejov.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/27978026869.pdfIn PDF document text
- http://dongzzang.com/userfiles/file///fuwajiminizusufos.pdfIn PDF document text
- http://kirakuramenandsushi.com/uploads/files/zapevoniwesege.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16135b010253c8---wuwitoduxak.pdfIn PDF document text
- https://adasms.fr/userfiles/file/piremipojukopuwaxoxavara.pdfIn PDF document text
- http://vividconcept.in/userfiles/file/13419787527.pdfIn PDF document text
- http://pentas.eu/userfiles/file/pisoja.pdfIn PDF document text
- https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/rurerameteki.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/sinabifub.pdfIn PDF document text
- https://protrialse.eu/files/files/59438332727.pdfIn PDF document text
- http://think6.net/ckfinder/userfiles/files/20210914171043.pdfIn PDF document text
- http://summitremodelinginc.com/userfiles/files/39403647356.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_off0000bd9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d5b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5B6 | 10136 bytes |
SHA-256: 6b73fdae03fdbe38d34d9b38d603831acdd1194eb247309cff94dbff1dd85f04 |
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font_02_sfnt_off0000ec30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC30 | 17536 bytes |
SHA-256: 5b64959e01ea25c10349aa577809c96a2b7b946739eff837a3145dfb316bf013 |
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