MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a significant number of links, many pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution lure. The presence of JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9907
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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. 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://5m-tti.com/uploads/image/files/32711980408.pdf
- https://powermailer.in/userfiles/file/lifimejojokuro.pdf
- http://neonatal-surgery.ru/userfiles/files/nefudonesakul.pdf
- http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/91363363151.pdf
- http://braciszewska-klimek.pl/fck_files/file/1294654579.pdf
- http://robwalker.net/fckupload/file/38294084710.pdf
- http://tomaszfilipczak.pl/userfiles/file/21351075528.pdf
- https://ski-valloire.com/ckfinder/userfiles/files/jemisu.pdf
- http://kristiankutschera.de/userfiles/file/43786721170.pdf
- http://skoleniridicubrno.cz/ckfinder/userfiles/files/sosemikaw.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/161401be670c59---fedinovepefubutow.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e06798690a---lomakapodebabivarapibe.pdf
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/pewifedamize.pdf
- http://tokyoto.pl/UserFiles/file/69738291641.pdf
- https://ladangmimpi2.com/contents/files/24278549395.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/a87f1e4e9474f7378eb73060fc362871/weziba.pdf
- https://bosgo.mn/uploads/files/lerem.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/petawinixanul.pdf
- http://studiofantino.it/userfiles/files/zitonikuritopijakurexox.pdf
- http://radyoislam.com/resimler/files/37053959702.pdf
- http://farmaciafici.com/userfiles/files/jokijafekaderuxeselupov.pdf
- https://digitaluzaktanegitim.com/calisma2/files/uploads/77781079646.pdf
- https://letstravelforacause.com/miet/assets/files/dezedapukajuk.pdf
- http://creativecoms.net/userfiles/file/kevaragarizisu.pdf
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/6683d521ee48bc3f11ae56cc1d1dc3f5/sevimifo.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16147cb94dc939---24165411633.pdf
- http://playeasypiano.com/resources/fck_images/bigipopivopilaluzi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=maleficent+2+full+movie+english+subtitles
- 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_off0000be9c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE9C | 16792 bytes |
font_01_sfnt_off0000d6b3.binb3881ec08562347859dc47e003839e0ca2b12596e14122a2a054e7e47cbe8164 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B3 | 11104 bytes |
font_02_sfnt_off0000f081.bin2c93d20b4f2bb6df096a70b29929549a35da05078d61f7f23f29e8208314646b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF081 | 18580 bytes |
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