PDF malware analysis — malicious · c9850034ace0b2c7

MALICIOUS

PDF

96.7 KB Created: 2021-06-02 19:39:58 +03:00 Authoring application: Phyllis Bishop (via Christopher Richards) First seen: 2021-06-13

MD5: c878ac17e3f129b44a0102fd1414e0fd SHA-1: f1fe3c851ec1bc0db7f7754ced7c22940845b27b SHA-256: c9850034ace0b2c732f738b55a84f287186032c3fd4d29eace158ae88e115006

64 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is an image-only lure designed to trick users into clicking a link. The embedded URL, http://tstfunt.trek-mgoun.com, is likely used to host a malicious payload or redirect to a phishing page. The PDF structure and heuristics strongly suggest a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier suspicious score 0.4283

Heuristics 4

Image-only PDF carries local builder path plus remote links high PDF_IMAGE_LURE_LOCAL_FILE_AND_REMOTE_URI

PDF is an image-only click lure that contains both remote HTTP(S) destinations and a file:/// URI exposing a local Windows/Linux builder path. That co-occurrence is not normal document linking; it matches generated clickbait/phishing carriers where the visible page is a screenshot and the clickable area sends the user to external infrastructure.
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 96 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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 http://tstfunt.trek-mgoun.com PDF link annotation

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