MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, with a high heuristic flagging it as a link farm on disposable hosting. ClamAV and an ML classifier also identified the PDF as malicious, specifically as a phishing trojan. The presence of many unknown reputation URLs suggests an attempt to redirect users to malicious sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://haozuowenwang.com/imagefiles/file/gipeluwapobuge.pdf In PDF document text
- http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/74667002281.pdfIn PDF document text
- http://silesiacapital.eu/data/file/wekuxevimijewow.pdfIn PDF document text
- https://happen.webasl.com/userfiles/file/xuzasukoromawebamowagexa.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.info/upload/files/nexikijiledaditejadavotiz.pdfIn PDF document text
- http://sukhonthip.com/file_media/file_image/file/bipobifibimazitegajurat.pdfIn PDF document text
- http://skontrolsengineering.com/file_media/file_image/file/levedidesi.pdfIn PDF document text
- http://fabtur.ru/upload/files/suzuwiwevefu.pdfIn PDF document text
- https://consultemergingmarkets.cubsindia.com/files/vomotamiwafiwur.pdfIn PDF document text
- http://hexindechem.com/upload/files/befanolezolidali.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/eda32de7638f1b98c1d63e69b4908d36/gesugusinuwabenokosove.pdfIn PDF document text
- http://taiwangallant.com/uploads/files/202109022153173246.pdfIn PDF document text
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/zuzusawufuwejawajip.pdfIn PDF document text
- https://volnynaklad.cz/data/file/rujuzifoves.pdfIn PDF document text
- https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/5809196341.pdfIn PDF document text
- https://needlugs.com/userfiles/files/38930378644.pdfIn PDF document text
- http://scbczy.cn/up_files/file/20210907_235237.pdfIn PDF document text
- http://wolfpackbasketballacademy.com/content_docs/jusozejokagusuwonilazo.pdfIn PDF document text
- http://www.sun-green.eu/ckfinder/userfiles/files/6103787015.pdfIn PDF document text
- https://costabravas.com/uploads/localidades/files/4756722945.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/44408254383.pdfIn PDF document text
- http://gps-tw.com/CKEdit/upload/files/nejit.pdfIn PDF document text
- http://wacommerce.net/home/integrity/public_html/ckfinder/userfiles/files/xelinobufurefuv.pdfIn PDF document text
- http://sushrutproctology.org/ckfinder/userfiles/files/mukobiredo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=pou+free+coinsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b53e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB53E | 14152 bytes |
SHA-256: a69ba3620a93e6919c7628463a43d2ab28b1f2ff77663409fc183b717971c171 |
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font_01_sfnt_off0000d851.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD851 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f068.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF068 | 10124 bytes |
SHA-256: 6e02bab818eec962fb35c789c515ca2309d8d9b7ad20e4db77e12c363b9ae252 |
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