MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a large number of external URIs, many of which point to potentially compromised or disposable hosting. The primary function appears to be acting as a link farm to redirect users to other sites, likely for phishing or to download further malicious content. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://tramtronbetong.com/uploads/userfiles/file/79925015507.pdf
- http://generale-bureautique.fr/gdb/files/file/jusidafopadofexemiginopij.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/cc97849a9f55e41cfed25cd67fde6a53/luwekarepaboxijodadevawun.pdf
- https://irish-setter-zucht.info/ckfinder/userfiles/files/94604848294.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/ostnrcm900o57p0c3k8ibocfdh/11457216320.pdf
- http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/42933833367.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a106aa03748---segutagikuwipimajedojigu.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c459c71b7b---82448673895.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a780441020f---bumavaravitemebux.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/pjelo6v85fs4me92bhkvrmc0rj/17597317419.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/cd0904aafa533e1e98c8b1f7ffe1a8e5/lewejoripitemajisaxituwek.pdf
- http://kuhomania.ru/ckfinder/userfiles/files/58297786794.pdf
- https://cupanghitam.com/contents//files/46292580698.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ca1cecc1f1c---kixipujujorajesi.pdf
- https://reniuved.it/file/fezononojaduxosok.pdf
- http://ulrike-mayer.de/userfiles/files/78561398506.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d81cf221c6---86814633427.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b74cc19b1e6---20110892547.pdf
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607a2d043a057---bazumevimurilefazi.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/7ebf0316fc067cda2bc6ab717f86daf3/nitetobebikejutodepajasej.pdf
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160abb851d76c5---25484764558.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb57787d08---94557221120.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=which+mcat+books+are+the+best
- 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_off0000f93f.binffd9456a37013daa05e01a42225b6294faea227112e6cda8ce69dae93412a299 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF93F | 17420 bytes |
font_01_sfnt_off000126d9.binca6f8b87876e7598db2e8157f5e01ed52aaaab536847949a0fa74579718f3540 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126D9 | 10568 bytes |
font_02_sfnt_off00013f0f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F0F | 16792 bytes |
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