MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links to external websites, many hosted on compromised WordPress sites, suggesting it functions as a link farm. The presence of embedded URLs and the nature of the heuristics indicate an attempt to redirect users to malicious or phishing content, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://huntic.ru/uplcv?utm_term=what+is+the+molecular+formula+for
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609201de3171f---64540022990.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acf64c9cd28---kebixadatefo.pdf
- http://salkim.com/userfiles/file/45688982612.pdf
- http://nawooelcs.com/upload/userfiles/2021/06/files/210615171759.pdf
- http://sosnovgeo.ru/userfiles/file/1180114928.pdf
- http://anadarkogomezfamily.com/clients/7/76/76920377ef4e0cfe2c6e77079a05cbd4/File/vozajisojovugad.pdf
- http://jucal.es/images/file/zelasetefako.pdf
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/dalijaduzubexes.pdf
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/8a158672e8f1c6c137b596770a1fba04/ramajoxujeja.pdf
- http://robertsrucker.com/clients/7/7f/7f5ecd1287ec2152c36a7dc1808edcbf/File/75095395693.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/1c181c742b26d11694d29255c60c57b6/27918202481.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609af3da9d3b7---67563874989.pdf
- http://ccswcd.com/userfiles/file/74493557730.pdf
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/37c8a6cde46bec2afdea811e4c62f58c/5670092066.pdf
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/c03ce3ef6ee2002a01f58a38d3882936/riguzukob.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a366cc3c53a---dikalamavavudekafop.pdf
- http://udmvdpo.ru/images/files/8366072807.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/b04a5fcbdb0f2f6e2246ee2e567cc72d/21912549659.pdf
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/919gougmb2pna2ni6vcn63f434/78162522745.pdf
- http://hondasushi.com/uploads/files/6927255727.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a62e15e42e9---19767911526.pdf
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/8k2e01fqpfb2ov6rlrg6nof32o/mozusorijoxumuwawetuveba.pdf
- http://kompletucetnictvi.cz/files/file/luziregada.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/4f2d873f3bab31e8c33b519971886634/61877195288.pdf
- http://marmaraisg.com/images_upload/files/wedit.pdf
- http://agnieszkapawlik.com/userfiles/file/gumowemulovira.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_off0000d80e.bin5eaa27bcca43ccbb1ead3aa2c45f5be5457828f3f6e87fcb39761ca515116236 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD80E | 16768 bytes |
font_01_sfnt_off000103db.bin4fbb06fe4af889fa42fa4a4f6f8f9e10787d8ae3e3b8a529dbbd626405fd008b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103DB | 10592 bytes |
font_02_sfnt_off00011c18.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C18 | 16792 bytes |
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