PDF malware analysis — malicious · e569971e2f9d17f8

MALICIOUS

PDF

62.5 KB Created: 2021-10-14 12:47:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25

MD5: 685c502a9edff184c0a28c6de2538b97 SHA-1: d7ecfc1d5c2d691c78674a44f428303568d03bfc SHA-256: e569971e2f9d17f87c14566618ec5d765ef28bec89310cb248bfbe54ded4604f

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting it is designed to redirect users to malicious sites. The presence of embedded URLs further supports this attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.6290

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One 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://ketchas.ru/uplcv?utm_term=environmental+ethics+and+weak+anthropocentrism PDF link annotation
- https://austarpharma.com/upload/files/49652953934.pdfIn PDF document text
- http://pokewaveanaheim.com/uploads/files/13127831370.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/bef97711131b3f4fde21ec40e76da824/lomivasasanevex.pdfIn PDF document text
- http://nuklearmedizin-amro.de/userfiles/file/raminojo.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615937e499ac4---jebowidoboleralonowo.pdfIn PDF document text
- https://hanedantoptan.com/upload/files/kigufobi.pdfIn PDF document text
- https://brawlcall.com/ckfinder/userfiles/files/wexifefowelaliwu.pdfIn PDF document text
- http://yizhu580.com/ckfinder/userfiles/files/mozefubusaretolewofu.pdfIn PDF document text
- https://cornwallstaffagency.com/userfiles/file/noxopeko.pdfIn PDF document text
- https://beauty-full.ru/uploads/files/50370857245.pdfIn PDF document text
- https://brakos.it/file/bomubosa.pdfIn PDF document text
- http://temple.mo/userfiles/file/gabojibirin.pdfIn PDF document text
- http://www.startservis.sk/novy/ckfinder/userfiles/files/53454928532.pdfIn PDF document text
- http://thanglong.vn-greenenergy.com/ckfinder/userfiles/files/jarobofalu.pdfIn PDF document text
- http://cdmatik.com/uploads/file/sofitakelux.pdfIn PDF document text
- http://boilerservis.ru/uploads/files/xofijixadapipigamurotogov.pdfIn PDF document text
- https://cronos.jptecnicascr.com/yiicms/ckfinder/userfiles/files/mewukurarukusijokug.pdfIn PDF document text
- http://esipro.be/userfiles/file/xodejo.pdfIn PDF document text
- http://cupta.org/userfiles/files/20211006175445.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///8119750305.pdfIn PDF document text
- https://taumed.kz/upload/2021/09files/210903142121787929timom.pdfIn PDF document text
- http://www.ondebiz.com/userfiles/file/83706785768.pdfIn PDF document text

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