MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm structure, and the 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' firings confirm malicious intent. The primary function appears to be redirecting users to potentially harmful content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://oniceh.ru/uplcv?utm_term=how+to+draw+cute+easy+anime+eyes
- http://www.videocopilot.net/assets/public/ckfinder/userfiles/files/33709435502.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a1e009f67687b6cc06d9e2089a475949/30994438057.pdf
- http://bigcool.net/webroot/img/files/tavowagiral.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608621b765006---54645607450.pdf
- http://daiichilogistics.com/uploads/news_file/61751815629.pdf
- http://xn--szabowski-tub.pl/userfiles/file/41003598194.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/d8piucreiodt5lv5ohoccl2cat/buxugokabebugeb.pdf
- https://ludifrance.fr/userfiles/file/15936749490.pdf
- http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/xelidexinixudax.pdf
- https://ssvacancy.com/ckfinder/userfiles/files/xobekaxurokuvavabosepo.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/2sfb9f7942ieeob9btu15htvnv/finit.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/ad87e80e00333b28abf481e74bb0ea2e/fazebo.pdf
- http://jcbcharpentebois.com/ressource/site-image/files/lirigufajosiso.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bebd33b6dea---59628696678.pdf
- http://universalthailand.com/images/uploads/ckfinder/files/98251568879.pdf
- http://skolicka.eu/foto/images/file/84620553992.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aab32f813b3---pupujimusowuterufurizo.pdf
- http://1960ihs.com/clients/e/e0/e0b58928a48036c9af8d6cfc9cffdd99/File/77223591414.pdf
- https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/zekirupabizekakone.pdf
- https://emauto.lv/index/images/up/file/53243917121.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/5d32e1680da37e4312170d32b47c6da0/22682451964.pdf
- https://economiadecomunion.net/ckfinder/userfiles/files/16433526417.pdf
- http://darienhigh70.com/clients/878490/File/56784396145.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_off0000eb23.binafe689ead734b04659ec975e0c56ee534edfd483622fc075c03c044bdc22c5c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB23 | 17064 bytes |
font_01_sfnt_off00011782.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11782 | 16792 bytes |
font_02_sfnt_off00012f99.binc4140b92fab4b6fce0815392b5717fbd011be4bf05ea0b6066fd99dba549fc05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F99 | 10776 bytes |
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