Malicious PDF — malware analysis report

Static analysis result for SHA-256 d07b22f6c3750643…

MALICIOUS

PDF

119.1 KB Authoring application: Scribus
MD5: f0ccb8b22af1b3c666e789e475d57411 SHA-1: 661ab41aebdf7a1e28555ad6101bd37fc41d74ea SHA-256: d07b22f6c375064384198b2befce18925b037e6d51fdf59f5dce52ba06d97d07
150 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier further support its malicious nature. The embedded URLs suggest a phishing or SEO manipulation campaign, aiming to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9934

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://dilmeersaj.com/uploads/1/3/0/5/130543366/5354255.pdf
    • http://columbiaperioalumni.com/uploads/1/3/0/2/130287929/nuwifusopop.pdf
    • http://nataliefernadez.com/uploads/1/3/0/4/130436306/943388.pdf
    • http://newdawnresidential.com/uploads/1/3/0/4/130488754/2063116.pdf
    • http://kayleighjbarber.com/uploads/1/3/0/5/130543121/6233338.pdf
    • http://crystalwittenutrition.com/uploads/1/3/0/5/130540097/joxosusotosafiteni.pdf
    • http://sustainabilityconnections.co.uk/uploads/1/3/0/2/130292013/tarekuxuwumobivinur.pdf
    • http://missusvicarious.com/uploads/1/3/0/2/130272848/3495510.pdf
    • http://acouturelife.com/uploads/1/3/0/6/130621873/130621873.html#colon+cancer+screening+guidelines+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012f3.bin
4c0454a9e3796242520399ec2a1cf5e05392a16623c4b5c3d5521f12a5504254		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12F3 8784 bytes
font_01_sfnt_off0000703e.bin
a98ea1ab65533aa5a8d930a9ecda3240c4afa5cda94bda55fcb893fdfae47903		 pdf-font-stream PDF embedded font (sfnt) at offset 0x703E 2892 bytes

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