MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting. The heuristics indicate it functions as a link farm, likely intended to direct users to malicious content or phishing sites. The embedded JavaScript is a common technique for obfuscating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://chcial.ru/uplcv?utm_term=thieme+atlas+neuroanatomy+pdf
- http://enjoyisagenix.com/ckfinder/userfiles/files/mavezilafejejobe.pdf
- http://moawin.org/editorfiles/userfiles/files/pabapofizis.pdf
- http://jinistudy.com/_UploadFile/Images/file/devukilopogogipugon.pdf
- http://fleshlight-tw.com/userfiles/file/kixelesu.pdf
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/e1d5e1a22340c98496cb9b79154a1a84/rupisominisezasano.pdf
- http://aaykpn.com/uploads/editor/files/25729928290.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a25eabc2436---44352416717.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/2b753729fea4dcbc28b853096bb6f1f8/88144900503.pdf
- http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/80330962344.pdf
- http://stauarchitetti.eu/userfiles/files/20720978601.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8fae42656---jowekurevenirudegonavex.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/23e96793d4a6f3916119efc61a3b2f19/dedakaj.pdf
- http://lubrifianti-auto.ro/files/file/tamoti.pdf
- https://blindnow.com/userfiles/file/sabanokonarezalazi.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/pgk318320pdshopmn75tpnq2u3/32863203815.pdf
- https://roweryelectra.eu/app/webroot/uploads/file/16207323198378.pdf
- https://chp-travel.ir/data/file/57030403060.pdf
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/nipeturafiko.pdf
- http://dzbnf.com/upload/file///nedalador.pdf
- https://leavingcare3plus.ch/userfiles/files/19682949695.pdf
- http://immobilieninvestors.com/userfiles/file/wukerenepawojigevaje.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/u088skg6rt5ioaku80g9ttsbg1/75607985305.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/47e88bad73f1346353672d36d0cf3c1b/duponoderakugonapidipe.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b5dbc8b6e---20219318398.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/1c8920636b67f87ad82d6f856fca538a/lujenorefozoderubozoxoje.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_off0000e484.bin3bdb525567e6ef7e063a7bdd219f2f07ae4bbc7b1af8037c2b3b4adcf3ebb67e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE484 | 16644 bytes |
font_01_sfnt_off00010fac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FAC | 16792 bytes |
font_02_sfnt_off000127c3.binc9cd0894db45c413bd331ca4e62346a764b17c5ce21bfb7041d73101273eb15b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C3 | 10940 bytes |
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