MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. The primary attack pattern involves directing users to potentially malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 http://avandcie-energy.com/ckfinder/userfiles/files/kotewuzosabima.pdf In PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16138ca0e25150---dudoxonamotowurokufusuwe.pdfIn PDF document text
- https://spitalmoldovanoua.ro/ckfinder/userfiles/files/kimukopoduroporitefu.pdfIn PDF document text
- https://weekendtripskolkata.com/userfiles/file/mabiririnetokimirife.pdfIn PDF document text
- http://oawebserver.com/piceditor/file/82037909224.pdfIn PDF document text
- http://camdohungdung.com/upload/files/juluwa.pdfIn PDF document text
- http://www.prakashirrigation.com/uploads/fck/files/jokegikoxaweni.pdfIn PDF document text
- http://maquinandoysubastando.com/dleyes/admin/fotos/file/webuxevem.pdfIn PDF document text
- http://xn--e42bt3l.net/upfile/files/76957211794.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378c5bedefc---beleziximemaxupibu.pdfIn PDF document text
- https://esofagopisa.it/userfiles/file/zozevaxa.pdfIn PDF document text
- http://obkladlazby.cz/userfiles/file/26950939312.pdfIn PDF document text
- http://chataphan.com/file_media/file_image/file/94253942134.pdfIn PDF document text
- https://mashura.co/userfiles/files/sixekirivavutolavilize.pdfIn PDF document text
- http://phongthuydotho.vn/upload/files/18272028907.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135a7f86bde8---41383361846.pdfIn PDF document text
- http://baugeraeteverleih.de/benutzerdateien/28920874116.pdfIn PDF document text
- http://rovitek.com/userfiles/file/239238890.pdfIn PDF document text
- http://thaiwoodengames.com/files/upload/files/wiwukibid.pdfIn PDF document text
- http://agppi99.pretty-match.com/upload/files/90776047845.pdfIn PDF document text
- http://tahi.hu/ckfinder/userfiles/files/fupaxej.pdfIn PDF document text
- https://bistakalikotenetwork.com/userfiles/file/xolososugelunuf.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=doctor+strange+yifyPDF 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_off0000bb31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB31 | 10580 bytes |
SHA-256: 492bcadbdbe4c441249ae1c8ce91dca3fda54c99ac5f1a49beb4337a77dec99a |
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font_01_sfnt_off0000d383.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD383 | 18064 bytes |
SHA-256: 75234e60ef90109b0f9fef840313e16b8fa09e8201440e1b2de74b20a09cea5c |
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font_02_sfnt_off000101c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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