MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. It contains numerous external URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The file's structure and the presence of these links indicate a likely attempt to deliver a second-stage payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://drafthe.ru/uplcv?utm_term=happiness+in+a+nutshell+pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/3emqog8t3qv1kf4qtn43ocpg7c/vatup.pdf
- http://architettoseneca.com/userfiles/files/xotifaje.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1686f4c39f---giwolavobewejinivevuwuw.pdf
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/0244b0faa9fa4eec7920bee15c540cb5/kufat.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/f7eb8db9e5c05bb56417e0c729172374/jelamisuxirafedujapeguzi.pdf
- http://fsoa.cn/userfiles/file/rexagapiwozagis.pdf
- http://banghaija.com/userfiles/file/99261412836.pdf
- http://aihyang.com/userfiles/file/pufowafurimoziziwapupox.pdf
- https://mmszke.hu/files/file/xogelasuwo.pdf
- http://lowry-averyreunion.com/clients/c/c0/c0e4e7922159a76f956c19110b7bfeb7/File/zawiz.pdf
- http://consulcongress.it/uploads/assets/file/65546315334.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/mg29leniu8ltqb8j1bm3qrrss2/bekisatera.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16074ff9b5d2b4---xipalugogukolaken.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6aa5267417---93612465625.pdf
- https://alshamiltrading.com/alshamilfiles/file/44440230435.pdf
- http://artospace.com/pics/file/26112390880.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3a4eedcdc---mamevakeluwaruv.pdf
- https://sporyolu.com/resimler/files/84159921274.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ae8c71a9e---tujot.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160afe879ab498---zuwopisuvapafedosewezexux.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/2cjmnd21mnm34rgrnul570iv91/remevazuwojugewonamofe.pdf
- http://harasim.cz/uploaded/files/33962890129.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_off0000f3cd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3CD | 16792 bytes |
font_01_sfnt_off00010bdf.bin44676e2e2d1a7fe92df591fd61ae9ab89ada387ba44803e5c4ad8c613c3f787f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BDF | 17604 bytes |
font_02_sfnt_off0001393b.bin16d71c6583e40b2ff202dae244ac89886457d243d48a2683f0b58dff7843ccd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1393B | 10464 bytes |
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