MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to domains associated with link farms and compromised CMS uploads, indicating a phishing or distribution lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or delivering a secondary payload. No scripts were extracted, but the structure and URL patterns are indicative of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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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 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://gitimohammadilakhimpur.org/ckfinder/userfiles/files/tonerigilodu.pdf
- http://mega-stainlesssteel.com/uploads/image/files/lelupunubutizug.pdf
- http://www.520amis.com/upload/files/wusijenovumofu.pdf
- http://thrifthelp.com/flash/thrifthelp.com/file/ganisebobuv.pdf
- http://www.sctiec.com/up_files/FCK/file/lowefapuzujesewuwi.pdf
- http://energosol.pl/images_cms/file/terazifewipaxodezo.pdf
- https://tlproduct.com/userfiles/file/zikugefoxo.pdf
- http://ecovn.vn/uploads/news_file/9054387149.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161323bc3d44e7---zakipadozuxigotomapanu.pdf
- https://wasael.com/userfiles/file/poradavogiv.pdf
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/46f8369249d7a16ba37c193326ce27f9/71223576513.pdf
- http://depcip.com/app/views/panel/ckfinder/userfiles/files/28118457101.pdf
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613fce9437ac7---84842460426.pdf
- http://robwalker.net/fckupload/file/zutemimemato.pdf
- https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/81426892039.pdf
- http://horvathortho.hu/tmp/28163512578.pdf
- https://egyptsuntours.com/userfiles/files/7422514664.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161398e52643e0---gotufuzu.pdf
- http://gramercy-grand.ru/files/file/73201253303.pdf
- http://www.darvidproperty.com/news/file/kijezumonudediketowiwaxa.pdf
- http://impressivetravelvietnam.com/upload/files/16023259268.pdf
- http://ellenia3.eu/userfiles/files/29260893061.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+get+call+recording
- 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_off0000e640.bin81559f6a0f57a14ff9fb255b5ed2e758a9a9def47979c0d0fcffb111d817fa0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE640 | 17704 bytes |
font_01_sfnt_off00011364.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11364 | 16792 bytes |
font_02_sfnt_off00012b7b.bin4d45d3e4f40ff466ccde6cfd8cbe3a64430b9d760ac9218778f08627b735dc80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B7B | 10452 bytes |
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