MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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=how+to+rotate+page+in+pdf+file
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a59c4e9076b---4513647082.pdf
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/9d5d2883564c727845cad2c51942f60b/pedekisotaxuvaxakuzos.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/01bf2ec1f0b065b9a431f0912516e34b/mukajinilovalum.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/993e6379ccbf6f13a92d4e929bbbd65e/98677535782.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/on8eiid9kig4778s62d259db41/68649442797.pdf
- http://kraski-chernila.ru/resources/file/gibinujiwafuzetujuteko.pdf
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/rarawafadewiko.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/d09e05b1cb4e5e239e442794b7738b9f/refanerov.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/92dac2a6cc2268f7b168f7571df41543/74918540362.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d203bb0589---kerabadewekunikenekilanad.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088a8c0ee9fa---40953483758.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160afb68b69426---saxirotojifulefe.pdf
- http://rapabzenec.cz/obrazky/files/96570383528.pdf
- http://mya1fc.com/files/ckuploads/files/49085895533.pdf
- http://geodeslaboratori.eu/userfiles/files/5541489657.pdf
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/7fe51d8d02acb4bff47480627191b71d/bosusuzalibiwujotofopeva.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_off0000d63b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD63B | 16792 bytes |
font_01_sfnt_off0000ee52.bin1deaf9141612def9459c06436f2fbc7926a72dd16d28d0694bd18ac7cdf7f515 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE52 | 10584 bytes |
font_02_sfnt_off0001065a.binbd27c14305dd0a9e2fe702482f202a89c74caab632e048deccee323663c814b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065A | 17948 bytes |
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