MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The presence of multiple links to compromised WordPress sites indicates a pattern of leveraging vulnerable infrastructure for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 6
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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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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://angkoronetour.com/userfiles/file/1223663879.pdf
- http://hillandbrownfamily.com/clients/76964/File/nudobu.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d0a78e029---5455218840.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087838356069---55959825768.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075dc3da2e69---83918004780.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/ke6avn8g6f9nn97gs5pukho7j0/winasamiv.pdf
- https://slide-bearing.com/d/files/99349777302.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160784066309f4---44990729442.pdf
- http://wagnerpc.com/userfiles/files/zemukovinirawemiliras.pdf
- http://akicgiyim.com/userfiles/file/84643385456.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/d4f8bf791a856ee64c30d6e7b56f5542/29961648659.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a21465417bf---46216201917.pdf
- https://tasleemdubai.com/userfiles/files/nozozinedemoloripe.pdf
- http://metamorfoza-krosno.pl/userfiles/file/vuwufojamu.pdf
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/bc7fa86ea4bff87406584f675899e155/50347095938.pdf
- http://koszyczarek.pl/userfiles/file/foziwapo.pdf
- https://samngaimarble.com/html_upload/file/mumaduxazuwibozefonasoxi.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/du6qtdciob4ukrilbeh4vj4clc/13797941831.pdf
- http://xinyuemu.net/assets/202106/files/20210627103844621791.pdf
- http://zkojicin.cz/userfiles/file/nupikewezobonotuleloweg.pdf
- http://azizolace.cz/images/file/wapuwupexelufinomofowiba.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=bollywood+romantic+song+instrumental+ringtone+download
- 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_off0000f024.bin13c69cad90dae4ac7bb8804a9d0903b4d8f95e13d038a042815faa191566ecb9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF024 | 11064 bytes |
font_01_sfnt_off000109d1.bin7dd946c48c5d75b3dd5b2dece96e23311e5bd6f355dfc871307eb71187797486 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D1 | 17104 bytes |
font_02_sfnt_off00013687.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13687 | 16792 bytes |
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