MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains a large number of embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this phishing and distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://crysiq.ru/uplcv?utm_term=free+fire+cobra+hack+mod+apk PDF link annotation
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/4db05d8e92a0a4dfe05fbefdf7a8658f/66704470203.pdfIn PDF document text
- https://travellifeafrica.com/ci/userfiles/files/97033994793.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/15588301886.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/99b746cadeb3001d51c61f43efd76c10/bixizebedimagiz.pdfIn PDF document text
- http://greensketch.in/userfiles/file/kadutamodigofaxaw.pdfIn PDF document text
- http://www.ruben.pl/ckfinder/userfiles/files/vuwexasetudexaf.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/90697617512.pdfIn PDF document text
- http://ukicda.com/admin/fckeditor_upfiles/file/2021090822441380554.pdfIn PDF document text
- http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/nudesojisilalutu.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/91030225854.pdfIn PDF document text
- http://synphabase.ch/upload/file/11457948692.pdfIn PDF document text
- http://legalinet.eu/userfiles/files/malebunebaliwikitus.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b4bccc231---38239723243.pdfIn PDF document text
- http://honmamon-s.com/img_seminar/userfiles/file/90522274858.pdfIn PDF document text
- http://bouwbedrijfbouwheer.nl/userfiles/file/97165180126.pdfIn PDF document text
- http://metalltechnik-kutschi.at/zarisetupakilosuzenove.pdfIn PDF document text
- http://bisenzia.it/userfiles/files/jolakifagu.pdfIn PDF document text
- http://lsneotek.com/ckupload/files/76257177963.pdfIn PDF document text
- http://aeusjtu.pretty-match.com/upload/files/xisaronabuwowutes.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161317c998b675---76734518306.pdfIn PDF document text
- http://medicalproduct.hu/images/files/vomab.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_off0000ccaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCAA | 10680 bytes |
SHA-256: 80d78d5ff4f27019b504f9dd41724164a680c5529230f1203564035429e2c6ef |
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font_01_sfnt_off0000e4dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4DC | 17664 bytes |
SHA-256: 6bbf1b97c86509706f49af62817b91a36efeefe5c649ac4d7ac8e65a7f65bcb6 |
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font_02_sfnt_off000112ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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