MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to external PDF files, many hosted on compromised CMS platforms. This behavior is indicative of a link farm, potentially used for SEO manipulation or to distribute further malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest malicious intent, leading to a high confidence in its classification as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://twr1115.net/files/fckeditor/file/rukefulolugulifovovux.pdf
- https://f27szerviz.hu/upload/files/64939541323.pdf
- http://ip-golubev.ru/ckfinder/userfiles/files/37074631999.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbdf72c586---boxobudinexalovogoriv.pdf
- http://turagent007.ru/userfiles/file/zotupisesedab.pdf
- http://omg.su/upload/File/kosezawo.pdf
- https://astefin.ro/ckfinder/userfiles/files/tunikatuzakoni.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160812b674da1e---399915553.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/8dca84c931d0a8498d5879f2d8b2383d/mogadedusiropebimefi.pdf
- http://atenngo.com/admin/sites/site/documents/konadajamazeximiwa.pdf
- http://brainbond.ro/userfiles/file/fagozapifopatipuge.pdf
- https://pioneerlift.com/upfiles/editor/files/55462843815.pdf
- http://spc1962reunion.com/clients/c/c5/c535eb5d361035e84cedf1152ec4da8f/File/95965467022.pdf
- https://ibliberia.com/ckfinder/userfiles/files/97257696972.pdf
- http://beiks.info/public/file/berurom.pdf
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/58100095060.pdf
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16089509a82178---29766825349.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c72dbcc91c0---dolozubutimaduxofupizeput.pdf
- http://keystoparadise.com/userfiles/files/vodujakeganu.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2073618401---fotabivonomuxanedokutu.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/2jcfipt77d496sang2n9pspvl7/15808151520.pdf
- http://portaldeaquidauana.com.br/ckfinder/userfiles/files/rozetapefiwanenixewok.pdf
- http://autodilykanka.cz/cmsimple/images/file/fewokaguratiwexelilaj.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=can+a+company+have+more+than+one+dba
- 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_off0000e216.binc3f51b8d161dbb65786c751030dfd93e71610838887d9094a6b3f35084c6fd08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE216 | 16760 bytes |
font_01_sfnt_off00010d63.bina9c13fc5d2a7c2a79443d3d093bff353ae7cfca3d98e115507a4a418a73826eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D63 | 10824 bytes |
font_02_sfnt_off000125f8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F8 | 16792 bytes |
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