MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV confirming it as a phishing trojan. It contains numerous links pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The primary attack pattern involves exploiting users through these links, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a421f995241---19095195802.pdf
- http://kaithompson.com/userfiles/file/vibowevasijamuteb.pdf
- http://mulroyenvironmental.ie/userfiles/file/88868397742.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609edf905cb7e---83755719610.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/228a9097b1457dc0f29dc9b7b1a14b96/65944679348.pdf
- http://unseenadventure.com/userfiles/file/95637618835.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c28c1ea5e97---42707778881.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16072030ae298f---72471919782.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/c12i426tdrd3qfg0g5j9t8f1dj/kozoxilewe.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/qt60ch5soa0p8ek9leh8qq555g/3153568868.pdf
- https://bikidi.com/UpFiles/WebEditorFiles/file/24542933892.pdf
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/9e40o5q34bmgacng9cqk3tf0cr/wuvedasidajuvupezedarum.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2204a55f9---susovediw.pdf
- https://topinsolventa.ro/userfiles/file/24878257780.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/ea7d4d6100a17d54314c0821c29ce0df/64538422588.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd287a83c50---zowepitetuxedoxo.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b4f3c64ad---nobaj.pdf
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/h3th7b5r12cufcec84d5cm40b6/10705544338.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160763c0f51013---21373049011.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ef2cc9ffb---gudalamorapogezizivuf.pdf
- http://bmhs71.com/clients/c/c9/c97ff408e01126d63256cf68004d6641/File/92227520349.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-8/20210508051252846975.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=rooster+rock+nude+beach
- 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_off000113b2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113B2 | 16792 bytes |
font_01_sfnt_off00012bc4.binde4d4dcbddcdb539cd80cd436eea64a7cc1ce32774c58bde110e172839caf418 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BC4 | 17708 bytes |
font_02_sfnt_off00015a35.binaf1a403925f27d279fd953d7881136675e61789a987eec4625fe1032ed3e2dcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A35 | 10708 bytes |
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