MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the presence of external links points to a likely spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://amursvoidom.ru/media/files/manipepeg.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606d192154666---fulidawofapenetofitewu.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/geve0imr6dbi5jqnhq61dgj562/54730823946.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aff52d0fde3---77580911442.pdf
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/a807ffa2c73da1f6dd74bcfd041564b0/23123788870.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/630286501d440366ba2303dc9268a057/23988131859.pdf
- http://scro.ru/pic/file/85922890981.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607a374c0d1e9---luzedade.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/af66455cc25d8f5affa94813be4b4b9b/noxemiwabodif.pdf
- http://fygl.net/uploads/file/220325487051.pdf
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/o1pi7ov58ni4qi917o6bugan4g/47597073885.pdf
- http://jfhconsultancy.nl/userfiles/files/60906066460.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098611274112---pezug.pdf
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/b1de5bd33cf13389062aba39704342e6/vojazumekuxadiwapemit.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b60533a53c2---dozixipaje.pdf
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/9485269072fb0acf004f3680fa460ebe/85668772615.pdf
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/8e49ddb3f311cd85795e14e4e48befa3/sinasokawub.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16070c42e376b2---37534860989.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/378a8giv5l90e87faertufq2n3/17470970120.pdf
- http://esistore.be/userfiles/file/47704574190.pdf
- http://leinerpakgelatine.com/survey/userfiles/files/raxakakub.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/ff517adbe3b4ba47e411d290f72ff492/32210389171.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/a7544d25bba469d1cb41d1b42d3a84d7/3933499625.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/9fb298e76dbfbfb394945075544f6045/fexunuvifizomelutifasi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=personal+growth+development
- 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_off00011886.bin3e926e0a538eb6b720b9f5c8cccfefc2e44fdd6614800231f2939145ccb6f271 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11886 | 10900 bytes |
font_01_sfnt_off00013178.binc4b0042ad32d943e06336c37fc80ea205022a471c924ec6eb70243eaa0bb4bdc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13178 | 17532 bytes |
font_02_sfnt_off00015f23.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F23 | 16792 bytes |
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