MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were directly extracted, the PDF structure and embedded links are indicative of a spearphishing attachment, likely leading to further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://tselectromechanical.com/uploads/CKfiles/files/dutupimazotirew.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca705d7ed6---77395443987.pdf
- https://riondene.ch/img/uploads/file/pizebabosasa.pdf
- https://atrax.eu/userfiles/file/55501387510.pdf
- https://egokituz.org/files/galeria/files/32571770235.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4d09e0d4b---68892451606.pdf
- https://webtechnocrats.com/upload/file/rijumama.pdf
- http://partner-support.net/user_data/userfiles/files/10842462877.pdf
- http://villabrown.it/userfiles/files/33336224750.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160775afd07313---tawupijaguwet.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a458a869638---5671506690.pdf
- https://daquin-ferriere.fr/userfiles/file/vigopaxusubojutaxo.pdf
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/03852pqah24gdlshc55jsm4tvd/regapalajobosolupebijeso.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160775af0f2d64---56925703212.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160966900a4b51---kesavakasesogodepas.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070319758c0f---63846473091.pdf
- https://istanbulbalbir.com/upload/ckfinder/files/befigijog.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/a1e2a316cd05bb0ed36e536ec7d5d9a3/munigemaxonipilirinu.pdf
- http://cissi.it/userfiles/files/65335780976.pdf
- http://karpatskiles.ru/store/file/842232612.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160de8afe59d80---8920604556.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1611b711640a46---22116977170.pdf
- https://aldapa.eus/files/galeria/files/polevexalov.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=sowetan+news+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c666.bin91b8f63746feb36b1ddcf125f663400298df5fb7b49e868bfdf6f32450165afc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC666 | 17572 bytes |
font_01_sfnt_off0000f42c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF42C | 16792 bytes |
font_02_sfnt_off00010c43.bin98ba2027fc8ec024c45a02fbfc3dafe3eb943a514dbcf8f244ff8f5411d49938 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C43 | 10412 bytes |
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