Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f0d77e8452a0b87…

MALICIOUS

PDF

44.8 KB Authoring application: Solid Converter PDF
MD5: 86b7e43da3b1ecc235ce573b3cc779e3 SHA-1: 20ebbf290e7af4fc66561e90502e9d17a33dabba SHA-256: 6f0d77e8452a0b8780bdfad8397f290dc11ed9f400b24d7a6a86677568b26f9f
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a mass of external links disguised as a fee agreement, strongly indicating an advance-fee scam. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' directly supports this, and the 'PDF_SEO_LINK_FARM' heuristic shows a large number of outbound links, likely to further scam pages or malware. The ClamAV detection and ML classifier further confirm its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://hairrazorssalonandspa.com/uploads/1/3/0/6/130621934/zuluta_jakalodafa_dasure.pdf
    • http://newhopeimageconsulting.org/uploads/1/3/0/8/130814643/2392645.pdf
    • http://nsfwmugshop.com/uploads/1/3/0/4/130477533/2855303.pdf
    • http://mycpfc.net/uploads/1/3/0/2/130291474/f7dc96b4cd5d371.pdf
    • http://danidepaula.com/uploads/1/3/0/7/130738639/gogokupatavi.pdf
    • http://welcometothehub.co/uploads/1/3/0/3/130313755/c1160720a.pdf
    • http://brutalproxies.com/uploads/1/3/0/3/130379463/tutomonobawes_jufuk_fiwivaxewetizo.pdf
    • http://misslindsaywillson.com/uploads/1/3/0/8/130873962/173ab8a9.pdf
    • http://www.laurenechapman.com/uploads/1/3/0/7/130740050/5445917.pdf
    • http://totland-creative.com/uploads/1/3/0/2/130270985/nozatipigerelozilota.pdf
    • http://www.theredgal.com/uploads/1/3/0/5/130539019/6046297.pdf
    • http://guiadosisu.org/uploads/1/3/0/7/130776779/2a7bcc.pdf
    • http://luxairecares.net/uploads/1/3/0/5/130551089/tigalabebituxaz_dogoluva_lugobupulob.pdf
    • http://webmail.jennifermannauthor.com/uploads/1/3/0/6/130620852/130620852.html#ncnd+fee+agreement
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003bc3.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3BC3 16204 bytes
font_01_sfnt_off000053ee.bin
f2f3a636252520dd65c204a22a1259142c52ad04914fa0429054197aa7173199		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53EE 8852 bytes

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