MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/33a156b9872370684e6319480b4a14c5/subevixinuwumuf.pdf In PDF document text
- http://dijladentalcenter-qa.com/userfiles/file/titamugofopunobu.pdfIn PDF document text
- http://96rangjai.com/userfiles/file/junonulomexom.pdfIn PDF document text
- https://108pizza.pl/uploads/userfiles/files/rewutu.pdfIn PDF document text
- https://1877painters.com/FCKeditor/file/73444648449.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/4618722b8ac0e0d698c8ed7577a3d541/28153594091.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/9u8an3fabvs5rq5fnm9gtda057/61823781467.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085e39f90821---51378649467.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161254df4b4464---36575186952.pdfIn PDF document text
- http://teifsepahan.com/files/file/nifizefagekajasosuf.pdfIn PDF document text
- https://basisnomor.com/contents//files/sebotorureluro.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d44d1b9354---8047597709.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a6c460aa4---54934164046.pdfIn PDF document text
- http://chiangmai-esc.net/user_img/files/89968175629.pdfIn PDF document text
- https://newoptic.mn/uploads/files/53560784858.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/ef870f0ca1fc8756456e037209b1cefe/nazim.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a5092c0d5f2---dinagowutix.pdfIn PDF document text
- https://bancodevida.com/bancodevida/admin/images/image/file/xivupubipa.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606d17269f921---silabavupeduwek.pdfIn PDF document text
- https://jooli.ru/ckfinder/userfiles/files/viduzufubonikunubiregugar.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/vv7i9nk1qo4ol35gpelmq7u10b/mirupowuwabad.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/8484827dd0f9444492aa563a04bf55b6/zezefidunofusosanaf.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116b38053a44---99999855197.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/27005031998.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606d313505b10---loxafadikogijiturefopuva.pdfIn PDF document text
- http://davidhammerstein.org/userfiles/file/4499361594.pdfIn PDF document text
- https://tomas-music.com/contents//files/posabozavapure.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=corniche+kennedy+livre+pdf+gratuitPDF 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_off0000d401.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD401 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC13 | 20960 bytes |
SHA-256: 7b984578279a271e160e848fdf609ff0cd9e113500d8c54d04c45e3a8efde334 |
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font_02_sfnt_off000120af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120AF | 11132 bytes |
SHA-256: bc1b333b0bc443d6a852e732ca6d453018c8747b952e01fe1f0635fde080ec5f |
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