Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac33467fcc46f8b2…

MALICIOUS

PDF

30.3 KB Authoring application: Karbon
MD5: 4c85aac6a90eb9aa6812c73660538052 SHA-1: 9d178c1fea4a680098e9806fbd68fd62dd1f833a SHA-256: ac33467fcc46f8b27723b093dee931afe5c097e90a3e1b80f0f3119f27fae89c
62 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. The document body contains text related to job advertisements, likely serving as a lure. It also contains multiple embedded URLs pointing to other PDF files, suggesting a phishing or credential harvesting campaign. The presence of these malicious URLs and the ClamAV detection strongly indicate a phishing attack pattern.

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://womivadi.ooo-sanatoriy.com/uploads/2020/01/28/dilirosuxe_dazepovabi.pdf
    • http://threehappytails.com/uploads/1/3/0/4/130435673/vexozisimop.pdf
    • http://omartejeda.com/uploads/1/3/0/7/130775252/nibixopepomalog-supumi-dexafajelupopuw-zezaxurixil.pdf
    • http://pineapplecoffeeandtea.com/uploads/1/3/0/7/130776338/gawumobojo.pdf
    • http://ndchair.com/uploads/1/3/0/4/130476921/130476921.html#junior+accountant+jobs+east+london+south+africa

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000107d.bin
c9d1c825ac4f79590d1669bb2f0273ee718a538a28124a1855ae26bd7120e102		 pdf-font-stream PDF embedded font (sfnt) at offset 0x107D 7888 bytes

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