PDF malware analysis — malicious · 514aba1c98a3c4a1

MALICIOUS

PDF

110.5 KB Created: 2021-06-02 19:38:35 +03:00 Authoring application: Victor Lawrence (via Anne Mills) First seen: 2021-06-17

MD5: fc0a056069c900a1218af40894b6c8c9 SHA-1: fe203ce74ec3b68afce65706f30479252307abe4 SHA-256: 514aba1c98a3c4a138223d8dcbd047daf856a6ef0d4fe7edce80d1271505e677

64 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing or malware delivery. It contains an embedded URI pointing to 'http://rco58d2.biasdais.com', which is likely the next stage of the attack. The document body is heavily obfuscated and contains no actionable text, further supporting the lure-based attack pattern.

Machine Learning

Nyx PDF Classifier suspicious score 0.4846

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 110 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://rco58d2.biasdais.com PDF link annotation

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