MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm or redirection mechanism. The presence of external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate an attempt to direct users to potentially harmful external content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/rlvlaubpdosdkcldlhfgipeucj/1221404067.pdf In PDF document text
- http://xn--szabowski-tub.pl/userfiles/file/60591740379.pdfIn PDF document text
- https://vieclamday.com/userfiles/file/luramelaw.pdfIn PDF document text
- http://daehwa.info/uploaded/file/81385707219.pdfIn PDF document text
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/37418339514.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/d27e8361bff16fcd9a28ec11bcada901/29572251717.pdfIn PDF document text
- http://seja.lv/assets/ckfinder/core/connector/php/uploads/files/81305788115.pdfIn PDF document text
- https://pass-eco-energies.com/ckfinder/userfiles/files/dowupoxeti.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/veo84bc09gi5tg6t6r9popnhkv/60229633945.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160983fca85fa2---33652997321.pdfIn PDF document text
- http://pneusmarene.it/images/file/julizun.pdfIn PDF document text
- https://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f28b6a19c---favazidezilokuzikaro.pdfIn PDF document text
- http://bwc.lt/i/61415621538.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7cedf2ca4---vofopexij.pdfIn PDF document text
- https://laflammerouge.ch/userfiles/files/lixano.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/fd55b335a6f5c7bcadd661f415854f7f/mijenamuxivasufux.pdfIn PDF document text
- https://pacie.vn/web/uploads/files/fuwuteza.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607699b4baaa8---lozusebefunanisu.pdfIn PDF document text
- http://www.patriarca-batiment.com/ressource/site-image/files/39519765889.pdfIn PDF document text
- http://ateliergermain.net/sites/default/files/file/sapirajabosi.pdfIn PDF document text
- https://binarbaidservices.com/public_html/userfiles/file/75522245536.pdfIn PDF document text
- http://red-persimmons.com/upfiles/editor/files/xexokigesusetuledusubuw.pdfIn PDF document text
- http://drivescuolaguida.it/userfiles/files/27343758973.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/a2bf4fdd2aab852da34ce687b9f54b61/41260729407.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=best+news+app+for+android+in+india+2019PDF link annotation
- 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_off0000f467.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF467 | 17332 bytes |
SHA-256: bba8499f1e196f1a6b6e70997e3fb325028cb303a94a9adad384595ffef676c5 |
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font_01_sfnt_off000121a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121A0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000139b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139B7 | 11044 bytes |
SHA-256: 41c96bf32e6559a39c7448b42ee3b9716cf908b1979055371f5bc0a6ac0546a7 |
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