PDF malware analysis — malicious · 34e8b473178be148

MALICIOUS

PDF

171.1 KB Created: 2021-05-21 12:30:12 +03:00 Authoring application: Michael Greene (via Joan Price) First seen: 2021-05-29

MD5: 8f86e7b6534694ffacef9349caf1c120 SHA-1: 6d8a828841f6726f7fcc9be5260f6e265500803f SHA-256: 34e8b473178be1483d2c70e0c3bfd154494a952e8a96f7ddd8aa3fae0f7142fa

64 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical of phishing campaigns. It contains a clickable link to the external URL http://rbwyxvd.8romans.com, which is likely used to deliver a malicious payload or redirect the user to a phishing site. The presence of a local builder path alongside the remote URI further suggests a crafted phishing document.

Machine Learning

Nyx PDF Classifier clean score 0.2439

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 171 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://rbwyxvd.8romans.com PDF link annotation

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