Malicious PDF — malware analysis report

Static analysis result for SHA-256 344f843fcf7ee6e1…

MALICIOUS

PDF

41.9 KB Authoring application: LibreOffice First seen: 2021-01-15
MD5: 67d9f8cc960216b773c5ee33c1c34ac1 SHA-1: cd1534e8bee5df9fb20122ea362311439a2f28de SHA-256: 344f843fcf7ee6e1a0e127d9c35cb83d24628e275101cd449b20122abd87e97f
152 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://rockyridgeacres.org/uploads/1/3/0/3/130379135/8535911.pdf In PDF document text
    • http://4gkingdomliving.com/uploads/1/3/0/4/130488736/dewuvawol.pdfIn PDF document text
    • http://nezagegili.loot-ferm.pro/uploads/2020/01/28/a05988c8deef.pdfIn PDF document text
    • http://disspat.com/uploads/1/3/0/2/130287502/mobejamexujufab-susej-bovatonaga-kemelurobos.pdfIn PDF document text
    • http://cinno.ca/uploads/1/3/0/5/130588492/zudimilad.pdfIn PDF document text
    • http://lastfrontiermusic.com/uploads/1/3/0/5/130588622/muxafog.pdfIn PDF document text
    • http://bhmiii.com/uploads/1/3/0/5/130551890/631ae7f0.pdfIn PDF document text
    • http://car-gocarriers.com/uploads/1/3/0/5/130543761/130543761.html#dental+instruments+guide+for+assistantsIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000130a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x130A 8580 bytes
SHA-256: 5cb660769ff3003c2d97a99662d6ba0fe25d7cfc6b7a94a03f674d77af3e9f97
font_01_sfnt_off00005d48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D48 16088 bytes
SHA-256: bdf6e2a5114c77337cf2d71e474575abc22cba65a545e144b672baee1fd4a2cf

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