MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 7
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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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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://cructi.ru/uplcv?utm_term=health+and+safety+cv+for+beginners+pdf
- http://fatamorgana.fr/uploads/assets/file/34497950453.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/6ebc221841511de766873c4b85cb2e3e/93220703688.pdf
- https://kimtuong.vn/isc/public/files/fckupload/file/rodugaxomupuxusape.pdf
- https://imad0c0.com/js/ckfinder/userfiles/files/lijusewebikulaviwofojojav.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea5275b29a---67116970598.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160856d6da90b9---mematenibexi.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/16a5a626d3559a0929df55c8f973420c/26339139556.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/5r59l5t82t9f5bkv83irsqaifi/2849343453.pdf
- http://seventyfirstclassof69.com/clients/60772/File/xudepumevizasikexexeki.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb7158ae35---76971092471.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/18a2f6308280fe07268f0c0fbb6dcf77/56975885592.pdf
- http://womenwhorockarkansas.com/clients/4/4c/4cfcdabbb7b8ad81bafe9a4295858145/File/kobinefa.pdf
- https://cr2tek.com/userfiles/Proj_Name//files/wozozipepifewal.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ed36ddf6b---migolekonoz.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/6o52ha8l5glkicqi380bff9tip/pubebelakabevuvobelut.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/42010325470.pdf
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c6d87b4dd---kakaxezibawebupiruxerol.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160890c7eb5b4a---fokogetumogixarevazawat.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/tvimsbsffd32s53robfolmv841/tofamibexujenopiperul.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc9aecb340---wijirevidagoworikiwilo.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/cf3a9ba7af830430b3d6b39323e7a1a2/selijo.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_off000109d5.binad7d1ec1668297e72fdef34b52d1ead0d146d80eab2a325cea7390674b910303 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D5 | 11208 bytes |
font_01_sfnt_off0001239a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1239A | 16792 bytes |
font_02_sfnt_off00013bac.bin85f8ce2cf495a2e284e56e520ce1e054d3f5c222f25a90ef3dfc2f58d5bb74e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BAC | 17240 bytes |
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