Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c1a6bb0937c454e…

MALICIOUS

PDF

21.4 KB
MD5: 46b6f3d23ec4a07e7a56b537a2fd8fa5 SHA-1: 1e98cf74ee1cd3e4a565a218d080d228c57d6a53 SHA-256: 1c1a6bb0937c454eb397495eea034e00d1f7cf4e77481a04439afbc5b3503396
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF file is identified as a malicious dropper by ClamAV. It employs an image-based lure, typical of phishing, to entice users into clicking a link. This link redirects to another document, suggesting a multi-stage attack. The primary IOC is the external URI that leads to the next stage of the attack.

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7111227-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7111227-0
  • 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/

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

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