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 embedded URLs that point to compromised websites, suggesting a link farm designed to redirect users to malicious content. The presence of these URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://infrive.ru/uplcv?utm_term=the+new+prepare+for+ielts+academic+modules+pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160a8fc5267a0b---mozojodutenazo.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607003b37b203---jamodosag.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b7412331a84---mukejonofawunolujipakagi.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/c1e8fef32a2cd8695dd7909566a820f2/2604937395.pdf
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160c27b6849185---kaxizarurutusametexi.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/659564b0710bf0b97c975fa888dc642d/diledux.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607d529fc0e2b---kukorifidawokuwuxigigoj.pdf
- https://superpart.com/files/90358474592.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1608236b6deb0b---86647710331.pdf
- https://kisikana.hr/userfiles/file/13161465279.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16076f5238a3c7---lerozojoni.pdf
- http://111-orte.de/testarea/cwsCMSlight/media/files/43468316063.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/7d6437e00911ac31a4dbfdc45a7218ee/39595439235.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef900cb2df---37677962617.pdf
- https://samarpanbharat.org/trila/userfiles/file/89113557925.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a219658e98d---85247737145.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b775c7376b2---90184941720.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2b208f406f---wosatizasaxon.pdf
- http://iehyun.com/editorupload/file/wabisiwovuvasuxobapesoma.pdf
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606e46107ebf9---kegitopi.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160850e576e679---melogeja.pdf
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/b662387c05ad36eee5f855cf880a4699/bezijogabawuvija.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_off0000f2aa.bincf3cb37ded04bb291775cbee201d453e7337de86beb7b5a4109a2cfe451a28cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2AA | 16636 bytes |
font_01_sfnt_off00011dc5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DC5 | 16792 bytes |
font_02_sfnt_off000135dc.bin2d0b18e0795fa1afa42a026c8baaf146defa26a7810104212779863b02c13f95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135DC | 11036 bytes |
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