MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that form a link farm, likely intended to redirect users to phishing sites or download further malware. The document body is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create PDF documents from web content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://wastran.ru/uplcv?utm_term=need+for+speed+no+limits+cheats+apk PDF link annotation
- https://combrooncom.com/contents/files/xokejepebeso.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/1tn8af0jt45qegnoc4f60la9u5/62016481465.pdfIn PDF document text
- http://aerotherminsulation.com/userfiles/file/31282602640.pdfIn PDF document text
- http://duet-czluchow.pl/userfiles/file/41655062736.pdfIn PDF document text
- http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/67525381375.pdfIn PDF document text
- https://tspinstruments.com/cache/fck_files/file/86918082625.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ca0bb3c9f8---36311609077.pdfIn PDF document text
- http://kidsjeodo.com/images/files/44318100508.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1614a25a500abf---sulixizux.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16140494fc9310---7553942743.pdfIn PDF document text
- http://guanzhuli.com/userfiles/file/jeropilo.pdfIn PDF document text
- http://sherwoodonionfestival.com/ckfinder/userfiles/files/11983788414.pdfIn PDF document text
- http://clinicaveterinariamontecchia.com/userfiles/files/89591924477.pdfIn PDF document text
- http://lachambredechos.com/userfiles/file/80043371583.pdfIn PDF document text
- http://moonlightmontessori.com/upload/files/fuxuwuve.pdfIn PDF document text
- https://jogamiskolc.hu/ckfinder/userfiles/files/9239334495.pdfIn PDF document text
- http://linuxnewyork.com/draft/media/teviwu.pdfIn PDF document text
- https://biharlokmanch.org/userfiles/file/pubegev.pdfIn PDF document text
- http://verduciautodemolizioni.it/userfiles/file/85714548107.pdfIn PDF document text
- http://519pf.com/userfiles/files/roderomig.pdfIn PDF document text
- http://voijin.com/userfiles/files/wadiwuvetedimilowur.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/10589550193.pdfIn PDF document text
- http://onnetsolution.in/userfiles/file/roresonide.pdfIn PDF document text
- http://www.mamafoundation.cz/ckfinder/userfiles/files/13357298525.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_off0000b3b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3B6 | 19448 bytes |
SHA-256: 81117f59d4c760a2ccdec69d3600dbe2ad54c2eb03a84444fb3b9dca5772cd80 |
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font_01_sfnt_off0000e698.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE698 | 10952 bytes |
SHA-256: 9ae2e8ab49dd75a7a0ccab0635f77e8f4c367c0c9df1c2be0d751530a9c52752 |
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font_02_sfnt_off0000ffcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFCB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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