PDF malware analysis — malicious · 0a082e8f8b3bc902

MALICIOUS

PDF

49.2 KB Created: 2020-12-23 14:42:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6696f67f985417ca6b6b8e098d07c29b SHA-1: 0666f27819e46b2454e032dbd57a8d6d09ba67ab SHA-256: 0a082e8f8b3bc902ef76b7d7a0e1d2f1db2713f3080fe52299c331e46f054269

204 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains a large number of external links, many hosted on disposable domains, suggesting an attempt to redirect users to malicious sites. The document body is heavily obfuscated and appears to be an image-based lure, typical of phishing campaigns designed to trick users into clicking through to a compromised or malicious URL.

Machine Learning

Nyx PDF Classifier malicious score 0.7360

Heuristics 6

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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 49 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://traffset.ru/aws?utm_term=enlace+fosfodiester+pdf
- https://cdn-cms.f-static.net/uploads/4452382/normal_5fa0725e55d29.pdf
- https://tuxemadoja.weebly.com/uploads/1/3/2/7/132712185/raronepukitibilonu.pdf
- https://gajarasanen.weebly.com/uploads/1/3/4/7/134714971/2696994.pdf
- https://zikenanevo.weebly.com/uploads/1/3/4/5/134589255/majofu.pdf
- https://dufavepuxafolim.weebly.com/uploads/1/3/4/2/134266173/pexilukab_sosukazolulap_fevuf.pdf
- https://static.s123-cdn-static.com/uploads/4474176/normal_5fdf8d1dbb18c.pdf
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/5648329.pdf
- https://static.s123-cdn-static.com/uploads/4375357/normal_5fdee4dd38864.pdf
- https://cdn-cms.f-static.net/uploads/4485165/normal_5fbbc42541ceb.pdf
- https://zarujiwimil.weebly.com/uploads/1/3/4/9/134900424/ledizubupariz.pdf
- https://tewavifoma.weebly.com/uploads/1/3/4/4/134482239/sadar.pdf
- https://rigafimer.weebly.com/uploads/1/3/4/9/134901715/57e395.pdf
- https://cdn-cms.f-static.net/uploads/4388820/normal_5fb83896a4a18.pdf
- https://s3.amazonaws.com/sonutopexaramuf/fopozi.pdf
- https://uploads.strikinglycdn.com/files/deeb9d09-ee60-4402-b298-71f7e6954e1c/zefokafuje.pdf
- https://uploads.strikinglycdn.com/files/80deabdc-bc7f-4fb0-afe1-e86e2cb359e5/empire_tv_tycoon_full_apk.pdf

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