Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f0ba47709eeb145…

MALICIOUS

PDF

40.7 KB Authoring application: Mobipocket Creator
MD5: 3d393a745357ddf43a2b0f2a3f58f54e SHA-1: 9bc8ceff5d05f4e5bd8f7db7e5e4a8a64dbae784 SHA-256: 8f0ba47709eeb145602750f5cf5d14d7c5e6e3ed5fa261d208346b3f267b9a49
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204.001 User Execution: Malicious Link T1566.002 Phishing: Spearphishing Link

The sample is a small PDF containing a high volume of external links, triggering the PDF_SEO_LINK_FARM heuristic. The document body uses a legal pretext regarding the 'Section 9 arbitration act' to lure users, while the ClamAV detection Pdf.Phishing.TtraffRobotInstall suggests a phishing campaign. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://asmrduoeats.com/uploads/1/3/0/7/130775498/fobirulabugurum-gogowep-jetol.pdf
    • http://thefirstandtheworst.com/uploads/1/3/0/2/130289296/2653755.pdf
    • http://cpanel.lyndafreeman.com/uploads/1/3/0/2/130273944/e5480b56c.pdf
    • http://mail.nautydoggundogkennels.com/uploads/1/3/0/5/130539340/nefoso.pdf
    • http://kristennicolemedia.com/uploads/1/3/0/7/130739686/jurego.pdf
    • http://reefnine.com/uploads/1/3/0/6/130603852/xejefawesabuxovaku.pdf
    • http://whitlockintl.com/uploads/1/3/0/2/130272352/wekiv.pdf
    • http://brainquery.com/uploads/1/3/0/7/130775109/vukirevukidu.pdf
    • http://sousmarine.de/uploads/1/3/0/5/130539678/30723f3d26be.pdf
    • http://fortiswindenergy.dadgifts.us/uploads/1/3/0/6/130604488/gagawofasarokuj_zetezomoto_redozogelegawib.pdf
    • http://langleycyberpatriot.org/uploads/1/3/0/7/130775295/0447547bc4a74.pdf
    • http://74-123-73-62.mgwnet.com/uploads/1/3/0/7/130739656/130739656.html#section+9+arbitration+act+landmark+judgements
    • http://fortiswindenergy.dadgifts.us/uploads/1/3/0/6/130604488/gaga

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004883.bin
1510c91c5c65ccec466e8e5f3d90e629f1a74b220ffef483a4e15673b7865e2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4883 7804 bytes

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