MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. Heuristics indicate it functions as a link farm, pointing to numerous compromised CMS uploads and disposable hosting sites. The embedded URLs, such as http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/vsu1fmi6vhu38d82jgmju1q0nl/68518505743.pdf, are likely intended to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://matstravel.ru/userfiles/file/nomifefaz.pdf
- http://sanxuatbanthinghiem.org/app/webroot/uploads/files/68247262424.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf97f49467---16060695694.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/vsu1fmi6vhu38d82jgmju1q0nl/68518505743.pdf
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f2ec7d05c---41924353568.pdf
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/2988c9896c991be96b04d0c9d8fb1546/sabujafekuvenut.pdf
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/68bc9756d502da773936e42da652d45a/59178168427.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f8b332982---47694338717.pdf
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1606cef4899b43---97219880712.pdf
- https://soudurelauziere.com/upload/editor/file/jikuxebabo.pdf
- https://successalpha.team/upload/files/87782569469.pdf
- http://cariboohose.com/userfiles/file/54076210382.pdf
- http://idcla.net/upload/files/3239578355.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/2c11a925c3bea35ca1ecb79b2f87bd88/7566730598.pdf
- http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b3ebaf133---silowiturakapidorul.pdf
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a7356e0fe63---28877273172.pdf
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16072009d102bf---90643000905.pdf
- http://dtcguild.org/clients/80367/File/28065378203.pdf
- http://www.azurwelcomeservices.com/userfiles/file/68616017570.pdf
- https://giustofiori.it/file/lezobukaxozije.pdf
- http://biomassasia.net/data_ed/userfiles/file/30664907457.pdf
- https://comobrew.com/newsite/images/user_uploads/file/xedavejaxizat.pdf
- http://ccsl.asia/files/jexupixogu.pdf
- http://ttccid.com/userfiles/files/jamopozexagolotufavo.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093e5780d0a5---gigujijuxozofaf.pdf
- http://asustainable.com/global/file/65632927569.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=gta+vice+city+cheat+codes+helicopter+psp
- 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_off0000f85f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF85F | 16792 bytes |
font_01_sfnt_off00011071.bin633f46c161084ed3b6824b202704b10d8b61f4c2b8ed5ec2493d8cc71c310791 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11071 | 17444 bytes |
font_02_sfnt_off00013dea.binfd6d91ed80c646137560c9c628986b5629be7aa8bba505be84cd021e91b978bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DEA | 10724 bytes |
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