MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to direct users to potentially malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://goldartline.ua/userfiles/file/kuripasegijoripezijo.pdf
- https://i3mit.com/shopadmin/upload/files/69847113835.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982aa64bdc9---68010952852.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/iuj3enakhvinflf1mcd43f2dgc/texudisukoro.pdf
- http://harveyfamily4016.com/clients/5/51/51a16c7d09a65bdad6d3cd8ef7da6b4e/File/duniwuwo.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16096211ee295c---lobetekisozesulusawonuki.pdf
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a024a1a6a59---5794204586.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/df6vegislek46h6k71gtgt0vhr/88086508236.pdf
- http://stressmanagement-karriere.de/userfiles/file/madakewovepeforemukesa.pdf
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/643cad67a7f0148b0b8e4e6dc52ba616/49449662985.pdf
- https://propertiproperty.com/Uploads/userfiles/files/67561506763.pdf
- https://weeb.nu/userfiles/file/gopeluwubuwa.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/49ee2ef8dbeef68fda6f42053e524bef/jenutal.pdf
- http://leaguengn.com/userfiles/file///32328109619.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d235ef7ad3f---67622475157.pdf
- https://baptistfriends.org/media/41256275648.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b6d1a3d1c---koxar.pdf
- http://www.anjhimayath.com/upload/file/zepojemirulezi.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/d6qmajvj0ccdn9g2qr6qughujr/67842777738.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/fbcfdb1c34c639c01410100b76dd93e8/97271774735.pdf
- https://tidaksusah.com/contents//files/58558440254.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=two+sample+t+test+degrees+of+freedom+calculator
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f59c.bine34958bf4321a9e415fb1d135b0b53b8fd7d0e48a1857748fc9be84231ea95cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF59C | 10916 bytes |
font_01_sfnt_off00010ece.bin3e46b879910e927943b57fd5c20adeb26d7d3e3f23c3523b8353c39297230381 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ECE | 18496 bytes |
font_02_sfnt_off00014033.bin5cd8a120e106fc2d4fc1855603a636a3ce922decfb1b4d98f17a4a5450337c58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14033 | 16344 bytes |
font_03_sfnt_off0001562c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1562C | 16792 bytes |
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