MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics and link farm indicators further supports this assessment.
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://crewmak.ru/uplcv?utm_term=best+free+mp3+download+site+for+android PDF link annotation
- https://libertyrealestate.in/ckfinder/userfiles/files/27854615279.pdfIn PDF document text
- https://forumsevens.com/images/file/43423895611.pdfIn PDF document text
- http://stnicholasway.com/userfiles/file/safofimoli.pdfIn PDF document text
- https://nezamirekhaseafoods.com/userfiles/file/88765542682.pdfIn PDF document text
- http://tw-echen.com/uploads/files/202109022038425692.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/84793403980.pdfIn PDF document text
- http://apple888.vn/luutru/files/xisatuve.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/5693591214.pdfIn PDF document text
- http://unseenadventure.com/userfiles/file/85252517531.pdfIn PDF document text
- https://cultureresortpokhara.com/assets/userfiles/files/41628750657.pdfIn PDF document text
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/modebisuduxelaboti.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec276a43f7---65791374105.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16135889e431be---52647950281.pdfIn PDF document text
- http://rotang.net/userfiles/file/daraxexasetef.pdfIn PDF document text
- http://lotusburbank.com/uploads/files/muxujabiwididonava.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb4fa460ba---66073516732.pdfIn PDF document text
- https://ariaparvaz.com/basefile/ariaparvazcom/files/vokusosojogenixolo.pdfIn PDF document text
- https://sukienmiennam.com/userupload/files/49177912485.pdfIn PDF document text
- https://topconta.ro/userfiles/file/66172845205.pdfIn PDF document text
- https://kenkochaya.com/user_data/ckfinder/files/64922753790.pdfIn PDF document text
- https://dbhattacharjee.com/ckfinder/userfiles/files/vekunutebuwiwuda.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_off0000d94f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD94F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF166 | 10972 bytes |
SHA-256: 84335723b9c330c86ff0e4f0016ddbb899464de34ed5351cbcdae155683bc5b0 |
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font_02_sfnt_off00010ae8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AE8 | 16808 bytes |
SHA-256: 9fc63664d52425021d9990e6fc229671e3e249204ad8d610a880d851b66dd4b3 |
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