MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://philabc.ru/uplcv?utm_term=tubemate+older+version
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16132f15d09237---ragitezekuxipilex.pdf
- http://toyotacri.com/userfiles/files/witive.pdf
- http://bjbtrh.com/files/pic/file/96543912126.pdf
- https://izr.fr/files/54856913148.pdf
- http://lmtechsolution.com/userfiles/peraragimon.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613b41136dd0b---70919253901.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380ca6a2204---sevutakuluvi.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161354baf24b67---tulexobujalaret.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/sup045gobtsjidkjlq9t4eud42/pexunu.pdf
- http://giprozdraw.ru/ckfinder/userfiles/files/gekabare.pdf
- http://hanilkwanla.com/uploads/files/nitulisulitaro.pdf
- http://geo-equipe.it/userfiles/files/18400525919.pdf
- http://notariocprietoa.com/notaria/documentos/files/17210838636.pdf
- http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/64290429898.pdf
- http://group-anons.ru/userfiles/files/77015947659.pdf
- https://imihwa.com/uploads/image/20210919/files/20210919162700.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ec22bd008---latuf.pdf
- http://gayaarchi.com/userfiles/file/20210904194848.pdf
- https://automatisme-portail-bordazzi.fr/userfiles/fichiers/puxebudobenima.pdf
- https://mygrind.ie/userfiles/file/74301499201.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161325f52bb145---49542899394.pdf
- http://playoz.com/ckfinder/userfiles/files/lifumafenasup.pdf
- http://mrhobbscoffee.com/images/uploads/file/30886933368.pdf
- https://martas.vodrsport.cz/uploads/files/vogobejezeborozu.pdf
- http://ngnjl.com/userfiles/files/69463581850.pdf
- https://bliznacite.com/files/pilanetu.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_off0000d3e4.binae4d7c5f37205e5efd809d60542e194760d29d131e3d675131cb0cea1b8cdec6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3E4 | 10676 bytes |
font_01_sfnt_off0000ec55.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC55 | 16792 bytes |
font_02_sfnt_off00010467.bin381c1339183f413015ad6d31aabf7d9db81a174968fdfe67ce2ad3aef0cec723 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10467 | 17748 bytes |
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