PDF malware analysis — malicious · 591b9e37d61ca3e6

MALICIOUS

PDF

39.3 KB Created: 2021-06-07 22:26:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25

MD5: e03d6751e894c0e57b59f201fc28d329 SHA-1: 370b2547f57d021c1fb6a0bad87e117ff9ddbc10 SHA-256: 591b9e37d61ca3e6fe09a18abac5529fb07607502cb85b3bff2c3450192dbe18

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.7452

Heuristics 5

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://pixomot.ru/pbw?utm_term=vidmate+youtube+video+download+2018 PDF link annotation
- https://batopida.weebly.com/uploads/1/3/4/6/134689087/zuvesikosozuniwetel.pdfIn PDF document text
- https://nusupubibirimu.weebly.com/uploads/1/3/1/8/131871553/dabodulato_sekoveronijuvu_zitimokati.pdfIn PDF document text
- https://dibovasejul.weebly.com/uploads/1/3/1/0/131070518/1453138.pdfIn PDF document text
- https://nejaxadutoxukax.weebly.com/uploads/1/3/4/6/134622523/32d545.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4375351/normal_60b0732d06450.pdfIn PDF document text
- https://defifipak.weebly.com/uploads/1/3/4/4/134442047/resadema_simipufob_faxababe_bajufez.pdfIn PDF document text
- https://kubikimo.weebly.com/uploads/1/3/5/3/135393209/f085e8255.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474723/normal_6014c549eb270.pdfIn PDF document text
- https://jimirona.weebly.com/uploads/1/3/4/2/134266163/felezuwikebapexeku.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393193/normal_6059c32eae13a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413118/normal_603f14feb0535.pdfIn PDF document text
- http://pebokuvog.pbworks.com/f/colores_de_la_biotecnologa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9418ec87-a379-4574-b9c7-a4f4da569889/big_blue_madness_2019_live_stream.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/818be208-3111-4c8d-a665-9a9adf71fa1b/15833254561.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92d6933d-6bc0-4f37-b353-0d7fd9a85406/chandramukhi_tamil_movie_watch_online_dailymotion.pdfIn PDF document text
- http://jilawuxifi.pbworks.com/w/file/fetch/144640137/nusikubuxelokemixaraxejom.pdIn PDF document text

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