MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous external URIs and links to compromised WordPress upload storage, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of a 'download button' lure further supports a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://philabc.ru/uplcv?utm_term=unix+concepts+and+applications+4th+edition+sumitabha+das+pdf
- http://urs-certification.com/gais/image/file/bozotiburanuruporof.pdf
- https://masterjobintl.com/ckfinder/userfiles/files/pidelem.pdf
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c88d3262ee---28616333643.pdf
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/b61798a706e2073aa9dfe92c7ce86682/rivudu.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160795936e7783---54981611476.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ff8dd77c741---46534628542.pdf
- http://banphimchuot.com/userfiles/file/63657833596.pdf
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/6m50sjiq20as1avtdd2jelsms0/219818881.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/075dshhid8sbf077c8jn1rjje3/4626056122.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/69a4cb0d038eafe9c32e8f6b781e069c/12041029655.pdf
- https://arnetbilgisayar.com/upload/ckfinder/files/nazumutuz.pdf
- http://piri-piri.pl/ckfinder/userfiles/files/32690218639.pdf
- http://www.moyekolodin.com/files/lizaladimifuvijemepam.pdf
- http://kolkandkolkdesign.com/site/data/ws/files/tipazivefinesisenilofowe.pdf
- https://sardavetri.it/userfiles/file/70415253884.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff4c7b4dce---luzesilezelimofob.pdf
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/bef85ebcdeaac80e6a7c8e53474b4bfe/zodaxolexuwovovadegavi.pdf
- http://verduciautodemolizioni.it/userfiles/file/37962069292.pdf
- http://www.contectrade.hu/fckfiles/file/39655435328.pdf
- http://garderoba.sk/images/_file/zexowibarezinaniradova.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/16080ccca24d91---21797976860.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160fe556ab5396---sodol.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b9791d99042---xefelapavisibeja.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/iuecta5ucso2ht0tft1u2uacv6/69061053908.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_off00010125.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10125 | 16792 bytes |
font_01_sfnt_off0001193c.bina76ca8f3189faabf0b283fba0ce4092fb360004a82bfd6f47ee831da40ccf910 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1193C | 11212 bytes |
font_02_sfnt_off0001331a.binb805f652681885b2acd31d7a696a78a79240bb9988a6ee2916b84b736c706375 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1331A | 17756 bytes |
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