MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a link farm pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting an attempt to obscure the ultimate destination. The primary purpose seems to be redirecting users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.8531
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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 http://dagmar-e.de/userfiles/file/gumisotajufuj.pdf In PDF document text
- https://artlabjo.com/userfiles/file/junuvu.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/7cb28beaebc196b7d844de21615d5e41/zajinojonugusugurawujumo.pdfIn PDF document text
- http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/zidof.pdfIn PDF document text
- https://duocvinhkim.com/userfiles/file/21562319943.pdfIn PDF document text
- http://pattarasawat.com/ckfinder/userfiles/files/vokokenepupivutifu.pdfIn PDF document text
- http://yenidenyuzlendirme.com/ckfinder/userfiles/files/55260306889.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d00e40a9e---5076924419.pdfIn PDF document text
- http://myucmas.com/userfiles/file/batopasatoxomuto.pdfIn PDF document text
- http://bezagsecurity.cz/userfiles/bevisezeviwewevetomarimo.pdfIn PDF document text
- https://aimhc.com/userfiles/file/43861832216.pdfIn PDF document text
- http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607815bdb0d21---xadakejadujuxezasi.pdfIn PDF document text
- http://oilmachineydy.com/d/files/lowixere.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/wilufi.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/pewil.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/74d204c2278d1ba0cd63bdf8cbb189b6/xamepijumekofifaz.pdfIn PDF document text
- http://schroniskoorzechowce.pl/ckfinder/userfiles/files/94051839791.pdfIn PDF document text
- https://dobre-akce.cz/media/files/file/73492306948.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/9l1abke6ekesiug2ev23anm69c/zosusadukomidozalijije.pdfIn PDF document text
- http://szermgrt.hu/uploads/ckfinder/userfiles/files/wiwigexulisok.pdfIn PDF document text
- https://aedwea.com/upload/foto/53586412917.pdfIn PDF document text
- http://chinoboxingclub.com/clients/36032/File/19463867784.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a08732e86---57814037027.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/50369408335.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=therapeutic+exercise+foundations+and+techniques+pdf+freePDF link annotation
- 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_off0000f8e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E2 | 10980 bytes |
SHA-256: bf8f96df5eb5155b06be86dde5d2b54005efc61d0314fe04cbc1a08e5b95f63a |
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font_01_sfnt_off0001122b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1122B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A3D | 18100 bytes |
SHA-256: c98b06d73242132a8fd3c92dff82159ddd1f472e95cdeb46ba3078faa479f144 |
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