MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to compromised WordPress upload storage and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of multiple external URIs and a link farm pattern strongly suggests an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://ckmusicdesign.nl/userfiles/file/51366178500.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/d2c4a61d02dd39996d132db0f7d4a63b/37393053938.pdf
- https://aftaplan.com/works/peepsparty/html/upload_files/file/13861024055.pdf
- http://hongdacable.com/d/files/10265033619.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/83dc00cfdae8fccc6ab2f6409528f084/59907663061.pdf
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/d389d8970980379eff44ad37aee10e03/5011931188.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6742016e2---kadifawujegupuk.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608bcc803ac07---tasugizasegewejederel.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16075aad6e7c8c---51372888355.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f143ba0dac---35455780640.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/980dab8206637a5a9f12e67b79f58845/damebuwar.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc610481564---zuxazazejunefanetis.pdf
- https://12shio2.com/contents//files/jukinalapu.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/dmrqulhckbdsn2al3ae6e19pm3/xobale.pdf
- http://ozari-ua.com/files/file/tisurejilujikat.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160859c5eaa59d---57255102471.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a84e2b7ef43---toralogolitufosadara.pdf
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/c9ce062b343c7c26a9be455e2a6d634e/robujigegosis.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/f7fe14f5ab2f00ab95ecb502d55ff320/25257925448.pdf
- http://archimax.ch/dynamic-images/cms/file/55752148828.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9bd500925---48471374516.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/cmb867so61fibfu54cdenk4m8n/38692286122.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/0cbjmt71gmn2tc4o3n3v2vd386/54562597758.pdf
- http://otelm4b.ru/admin/ckfinder/userfiles/files/zalufoled.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc6f6441a2b---92785118287.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=average+rate+of+change+formula+calculus
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fee6.bin441565be2066573376df748873dd77a66fca151c710efd11a1b9bbc530b6a705 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE6 | 10840 bytes |
font_01_sfnt_off000117cd.bin450eea5fc67953cc3bdc764260aa6f1739571c17331c9588074966c3dbef4c6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117CD | 16088 bytes |
font_02_sfnt_off00012cfe.bin4b6f2c0dc750fa92aeecc3c900e95b9c20789b58cae0368dc1e428b82e73c863 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CFE | 19316 bytes |
font_03_sfnt_off00015fed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FED | 16792 bytes |
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