MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded links, many pointing to unknown or potentially malicious domains, indicative of a phishing or malware distribution scheme. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading further payloads. No scripts were extracted, but the overall structure and link farm heuristic point to a spearphishing attachment attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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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 http://vandientuchinhhang.com/upload/files/mojomuse.pdf In PDF document text
- http://alsace.annuaire-regional.com/ckfinder/userfiles/files/gezos.pdfIn PDF document text
- http://w-f-l.de/user_img/file/14333774720.pdfIn PDF document text
- https://playindiano1.in/ckfinder/userfiles/files/rizefiforuwofanavazodoti.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/2n37cvatc3203sse3udtn1ep12/37846733842.pdfIn PDF document text
- http://recit-de-vie.fr/userfiles/file/54820624470.pdfIn PDF document text
- https://mallorcaboom.com/res/wysiwyg/file/kuzoxitivusutugaw.pdfIn PDF document text
- http://fashionflutters.com/ckfinder/userfiles/files/50006911286.pdfIn PDF document text
- http://hvezda-pardubice.cz/files/file/sejiduzomipiwediju.pdfIn PDF document text
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/welitukatasebizolupisa.pdfIn PDF document text
- https://jxlmedu.com/file/files/20210906_065422.pdfIn PDF document text
- https://ptogel2.com/contents/files/jipobaxemewadiledise.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/b3628a3bb815094bc0ba88417cdb1c48/wojinefinud.pdfIn PDF document text
- http://bjavc.com/filespath/files/20210911084553.pdfIn PDF document text
- http://didaconcept.com/admin/fckeditor/file/punudupisugofowu.pdfIn PDF document text
- https://99shayari.in/userfiles/files/sutusepusomugiluwobewo.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/99515302479.pdfIn PDF document text
- https://tskrea.com/userfiles/file/1424851799.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/7644959007.pdfIn PDF document text
- https://greenbins.ca/ckfinder/userfiles/files/41620436452.pdfIn PDF document text
- http://palakkadtourism.in/ckfinder/userfiles/files/durotivozipat.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/59763a202fb7d324dc3a55d275d9ac90.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=divxcrawler+free+direct+downloadPDF 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_off0000dccd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCCD | 19016 bytes |
SHA-256: 21946036bc3641fc3ec296ac0fc9fc11ab496676732f5ec29c82f9c2eab2e9ad |
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font_01_sfnt_off00010eae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EAE | 10556 bytes |
SHA-256: 698dcae3e295b8a7785161ad9b000105fc11d9e21b2a90e1c135f661d4c7c168 |
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font_02_sfnt_off000126ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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