Malicious PDF — malware analysis report

Static analysis result for SHA-256 187e0d911cd0393c…

MALICIOUS

PDF

21.4 KB
MD5: 87d2d108b6083cf4cf3a470287dfe6e1 SHA-1: 180236898ce65960bc68963acdf066052702e4d5 SHA-256: 187e0d911cd0393caad1364ded1c394257cd149898b31f9718c7c6319af79818
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as a malicious dropper by ClamAV. It employs an image-based lure, typical of phishing, which contains a clickable URI. This URI redirects to a secondary document hosted on 'alotile.biz', suggesting a multi-stage attack designed to deceive the user and potentially download further malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4605

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7111228-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7111228-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 2 image(s), only 1 text block(s), carries a click-outward action, and is only 21 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://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/pdf/1.3/
    • https://appengine.google.com/_ah/logout?continue=https%3A%2F%2Falotile.biz%2FDocument042018.doc

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_cff_off0000135e.bin
6db39fe1fc9fa7d77bf6c572894eb52cf6be89c0c86e905008a8d287b1bfdacf
pdf-font-stream PDF embedded font (cff) at offset 0x135E 2567 bytes