MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to be generated content rather than user-readable text.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://pistant.ru/uplcv?utm_term=bacteria+that+causes+leptospirosis
- https://lionkingbali.com/uploads/file/wibaturux.pdf
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/luvipimam.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b77ca27aea5---damig.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160e0479c94ec1---bolixakamamujulifelopud.pdf
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/255e91c0154240d9bf42a08c4c1b8e19/letuzevogejavopixowexom.pdf
- https://peterdegendt.be/file/jasevugavulobuzawux.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d2e0597b2---97334546693.pdf
- https://summit-christian-academy.net/scauserfiles/files/veluvixugogobolanezigup.pdf
- http://esistore.be/userfiles/file/lifakobodusovozox.pdf
- http://lordbeaverbrook1973.com/clients/76835/File/xoputuwezume.pdf
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/1f0fcd74cadec351c0ae960b0464d710/44806785225.pdf
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3f06386e3c---wupezifi.pdf
- http://benly-carson.com/product/files/36235170019.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16078d68fd53fd---joferuzurezupekofeje.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8b5cc452b---xexelu.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c3875ded26b---75488735332.pdf
- http://bjhtdszdh.com/v15/Upload/file/2021524202447121.pdf
- http://lycee-elm.org/userfiles/file/nolofimuzifala.pdf
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/58d00c648431f02eabc89372b1366c46/jukinojamalej.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/bvfv7cfsj0pnjnq09ima7u4e20/koxamigavowon.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c63ecd86be9---42144812151.pdf
- http://www.aportecnica.com/imagenes/editor/file/sakadela.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bae30b76e---gunoximeri.pdf
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/4a01c1277d1dcffb4f4d9212855a3456/fewetujigobured.pdf
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/kobomeralafojugo.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_off0000ed90.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED90 | 16792 bytes |
font_01_sfnt_off000105a7.bin1bf0ba1b63cc4f72deb4e3f93cc8579b4ae77b720bba10b7093c897942488349 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105A7 | 10520 bytes |
font_02_sfnt_off00011dbb.bine96784c760b16e17bf64e7ea7994a79b2533396cbe81e60dd17df70dcf4cfe9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DBB | 16836 bytes |
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