MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for link farms, suggesting a malicious intent to manipulate search results or redirect users to potentially harmful content. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
Heuristics 7
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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=qualitative+research+articles+in+education+pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/2912b4387c690e77b21f8141b3ed13a0/pezudisamuvalu.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/be47f8e087d87d4aa6fca0b31c121eee/25557808531.pdf
- https://kaptenhoki.com/contents//files/58510277758.pdf
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/5c68d18378469f79a8760f9abb3d454b/19707500639.pdf
- http://linkingpeople.info/userfiles/file/63140665238.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/b84n6fgjag7do5vit3uc9p89p8/75187465965.pdf
- https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/sngeppenfbkrnpvk1tnri8l95o/98083127083.pdf
- http://auto-spec.ca/fck/file/bagupewu.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/fph5jcsds1s4n1tmnui4o7cps7/sexujagikegevixamuz.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2553afd26---jugiluril.pdf
- https://aravlicraft.com/cmsCart//upload/file/popupijumexuxu.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/r2p3vlihd3090eg86h1htam560/36927578138.pdf
- http://blow-w124.com/js/upload/files/nazibisonelebiworad.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eaeef19ba0---fedajevomu.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c927ee56cc90c29187b4ec6ca94111df/wosedivumaruzemedirajuz.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/303be7311f5b86e18070c6ed110ba8c0/29976536520.pdf
- http://abcbyspu.net/ckfinder/images_store/files/lejer.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160946dc85253b---goxidepatorelobezedu.pdf
- http://inlygiaylynhua.com/upload/files/mevixexibesapigefizan.pdf
- http://alfonsoguiggiarchitetto.it/userfiles/files/vexopup.pdf
- http://sintellect.ru/Repository/file/15653391803.pdf
- http://hndgyl.com/v15/Upload/file/2021621854399787.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c23d8e1eb6---92844892356.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/rg5q2jo2osba9m9gbqak3091bb/kopobivux.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/f7cf4c30beec1f966e0370054994e6ad/3196794737.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_off00011df6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DF6 | 16792 bytes |
font_01_sfnt_off0001360d.bin59ac39ccda9ddd6dfad92d99c07334dd98a66501df1b3fb9930921f09d1c678f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1360D | 10940 bytes |
font_02_sfnt_off00014f77.bincd082d86bacef4f417ff12b75d557e73c27b0f4a78baac6582a22e1710a5b511 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F77 | 16936 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.