PDF malware analysis — malicious · b4d646cb756a2bd0

MALICIOUS

PDF

39.4 KB Created: 2021-03-18 22:05:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: cd9f6c469a4cebc87be4c993ebe9a185 SHA-1: 590d24e015519087bd6d83a2ea14bfaac764528f SHA-256: b4d646cb756a2bd04252474c0d996ed052371c2e54768badc8df2b7a8b5ab26a

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF is identified as malicious by ClamAV and ML classifiers, exhibiting characteristics of a phishing lure. The document is image-heavy and contains a clickable link disguised as a document title, directing users to a suspicious URL. The presence of multiple disposable links and hosting suggests an attempt to distribute malicious content or phish for credentials.

Machine Learning

Nyx PDF Classifier malicious score 0.8477

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE

PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 39 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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://bologen.ru/award?keyword=antologia+de+leyendas+mexicanas+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4497093/normal_603d29e8d7539.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4428039/normal_5fdd6c19637cb.pdfIn PDF document text
- https://jiditejebata.weebly.com/uploads/1/3/5/3/135305220/7704167.pdfIn PDF document text
- https://jirogadipew.weebly.com/uploads/1/3/1/6/131606393/kezisi-wodimo-vupipowiz-xejofiwunu.pdfIn PDF document text
- http://igme.site/sijitonigimuto1fzi2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455176/normal_5fc5729a72d48.pdfIn PDF document text
- https://jeredesuju.weebly.com/uploads/1/3/4/4/134432205/xutakinuwifu-sagalov-jaguwisov.pdfIn PDF document text
- http://lizoguxumugef.mywebcommunity.org/vofemekawuxurejur.pdfIn PDF document text
- http://feyakast.online/pigekedesibudege4yxtd.pdfIn PDF document text
- http://nasty666.space/wewixaselabu47ta6.pdfIn PDF document text
- http://santaparker.store/49225959683u9zbe.pdfIn PDF document text
- http://pr-bux.online/weximowupurawebouwu.pdfIn PDF document text
- https://s3.amazonaws.com/bidemewufa/betting_tips_teams_spirit_apk_free.pdfIn PDF document text
- http://xezeruv.epizy.com/nilegaz.pdfIn PDF document text
- http://vawerudarasikow.myartsonline.com/animal_welfare_act_2020.pdfIn PDF document text
- https://s3.amazonaws.com/xamibebulosaxug/andes_mountains_formed_by_what_plates.pdfIn PDF document text
- http://wukofov.epizy.com/nutedakom.pdfIn PDF document text
- http://nifibomagogov.rf.gd/autograph_movie_songs_320kbps_free.pdfIn PDF document text

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