Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee5c63af8bc9a6db…

MALICIOUS

PDF

49.7 KB Authoring application: Karbon
MD5: 6db372647e7e05b6220fdba52751ed4d SHA-1: ab2bb05c13975a60be4da6cd2175bf0bfe480822 SHA-256: ee5c63af8bc9a6db6bc273d4ab483c26c20cf7f595827d3b4f26cdd2a125ea55
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files hosted on various domains. This behavior is indicative of a link farm or SEO manipulation tactic, often used to distribute malicious content or improve search engine rankings for malicious sites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious nature of this file.

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://www.rootstyles.com/uploads/1/3/0/5/130541356/1924183.pdf
    • http://yoyoushop.com/uploads/1/3/0/6/130604306/70396095d4faf2c.pdf
    • http://rachelmcoburn.com/uploads/1/3/0/5/130550915/wibofasababot.pdf
    • http://camp720.com/uploads/1/3/0/7/130738921/govakeka.pdf
    • http://creativefathering.com/uploads/1/3/0/6/130605344/ravemosipero_goviduvob_naletoruleb_susawatazipolok.pdf
    • http://organik-zeytinyaglari.com/uploads/1/3/0/2/130271179/7da7eb1.pdf
    • http://arboristascuyo.com/uploads/1/3/0/6/130640061/papewodu_renenopizireto_nebuvewaluxodif_gedimil.pdf
    • http://adamtomasi.com/uploads/1/3/0/4/130476152/7240153.pdf
    • http://alicescalfi.com/uploads/1/3/0/2/130291662/loresikuva_xebakapixel.pdf
    • http://drkontry.net/uploads/1/3/0/6/130620209/564295.pdf
    • http://lloydhoffman.net/uploads/1/3/0/6/130621294/sevotavuvi_wamovezalewefik.pdf
    • http://3zsbarandgrille.com/uploads/1/3/0/7/130738764/fd13c15c.pdf
    • http://mountainbik-ng.com/uploads/1/3/0/6/130621524/puzimod.pdf
    • http://lillgallery.com/uploads/1/3/0/7/130738797/11718a.pdf
    • http://debtreliefamerica.net/uploads/1/3/0/4/130483645/417926.pdf
    • http://advancedfoliar.com/uploads/1/3/0/7/130738933/da98cbd.pdf
    • http://www.hijackforculture.com/uploads/1/3/0/6/130604685/e477f9d3.pdf
    • http://mail.rokforcefusion.com/uploads/1/3/0/4/130436180/monome_wokobaral_kosomipefaja_pibibo.pdf
    • http://sunrayvapors.com/uploads/1/3/0/8/130814065/fepaxogeluxela.pdf
    • http://wilmingtonil-oakwood.com/uploads/1/3/0/6/130621682/d165e6e1.pdf
    • http://hbcphx.org/uploads/1/3/0/6/130603740/130603740.html#what+does+the+sympathetic+and+parasympathetic+nervous+system

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000053bf.bin
4e9ae17c41f053e7ad2cff4c16f4465db96732130fdde230725ded2fe80853ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53BF 3156 bytes
font_01_sfnt_off00006196.bin
297ef0ff5e98ac7d24bcf4ca6d85ba2b663b86406d96ca1a83684ac1ee74c8b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6196 8648 bytes

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