Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee8df86a1fa69194…

MALICIOUS

PDF

33.9 KB Authoring application: OpenOffice Draw
MD5: 2f417824d92156f012533f1da1860539 SHA-1: 54f4340382738cf77e77aa17815f5ce7dbb7df47 SHA-256: ee8df86a1fa6919484892e4291df46c7fe44dda2521736e72bc0e1b2926d70ba
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier further support the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://midtrans.online/uploads/1/3/0/8/130874136/navajap-pekarosebuli.pdf
    • http://bodydelux.com/uploads/1/3/0/5/130540193/jamav.pdf
    • http://swissological-skincare.com/uploads/1/3/0/6/130639573/koxepaf.pdf
    • http://cpaforfamilywealth.com/uploads/1/3/0/6/130621702/biwediwi-suzolodejoka-domevuwabo.pdf
    • http://texasbackhaul.com/uploads/1/3/0/2/130289553/4992dce.pdf
    • http://completefitnessnutrition.com/uploads/1/3/0/5/130589006/1313497.pdf
    • http://nuzzdos.com/uploads/1/3/0/8/130814112/91b97e2823d13e3.pdf
    • http://ukrehabadvice.com/uploads/1/3/0/6/130605069/5168876.pdf
    • http://lilyseidel.com/uploads/1/3/0/4/130483364/tinatepumabupifa.pdf
    • http://sandlifeswag.com/uploads/1/3/0/4/130483355/fowigidadapapuvurufo.pdf
    • http://feilvbinbaijialemianfeishiwan.br3h.com/uploads/1/3/0/2/130273944/130273944.html#adductor+hiatus+artery

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d23.bin
cf34602379efcd0b39aecef7a9bc9b60244375455e52ee8fbbecd22f28e0920b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D23 8648 bytes

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