Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2e6235989fd7c41…

MALICIOUS

PDF

33.0 KB Authoring application: Pdftk
MD5: d32bd8d371e56274a694180ac0bedf44 SHA-1: d86b23c33506ed0daebfda9404efecd8c8e62ee0 SHA-256: a2e6235989fd7c415beb2653a431ceab2265b6fb8fb86b7bfc256625ae9104db
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains multiple embedded URLs that likely serve as lures or download locations for further malicious content. The document body, though partially corrupted, suggests a pretext related to cell transport to entice users to interact with the malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://badasscoinrings.com/uploads/1/3/0/6/130603852/c4d381bea165.pdf
    • http://xafato.audiostart31.icu/uploads/2020/01/27/4926849.pdf
    • http://kofaborog.trokot-official.pro/uploads/2020/01/28/wuretaxopur-lakat-zakipu-rerad.pdf
    • http://sez.ponoxy.store/uploads/2020/01/29/8881348.pdf
    • http://heatherscustomcookies.com/uploads/1/3/0/2/130288317/bapulupesim_mabofakazuxuvi.pdf
    • http://nuobeijinghotel-chinese.devsite-1.com/uploads/1/3/0/4/130491947/130491947.html#what+are+the+differences+between+active+transport+and+passive+diffusion

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001108.bin
02b2058c02600f755d6175c83b772a72458621135f0d36fa24b686e01b72cd55		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1108 7696 bytes

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