Malicious PDF — malware analysis report

Static analysis result for SHA-256 196427a740734c7e…

MALICIOUS

PDF

27.6 KB Authoring application: GIMP
MD5: 5d24bf5ece408b0cbe884a7892f8984f SHA-1: 30ebfac18010dec3ff6767e1e92329b7c715ba09 SHA-256: 196427a740734c7e633215be8fd48065c8bbf5fb4d4094a19bd78efa185cd4f0
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, identified as a link farm, which is a common technique for SEO manipulation or distributing malicious content. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and a high ML classifier score further indicate malicious intent. The embedded URLs likely serve as a mechanism to redirect users to further stages of an attack, potentially phishing or malware distribution.

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://didsburysmiles.com/uploads/1/3/0/5/130590569/xokagedunivifuwidala.pdf
    • http://hostmaster.casacarina.co.uk/uploads/1/3/0/2/130287867/xikaditavuje.pdf
    • http://petitje.nl/uploads/1/3/0/4/130475973/tibamazage.pdf
    • http://www.thorupvision.dk/uploads/1/3/0/6/130621531/sikerotikowivu.pdf
    • http://www.harrisultd.com/uploads/1/3/0/5/130589245/e52b9c91427c.pdf
    • http://authortonjamurphy.com/uploads/1/3/0/7/130776213/5359102.pdf
    • http://benjamindcrowe.com/uploads/1/3/0/8/130814353/6cdc926dbe2.pdf
    • http://lillgallery.com/uploads/1/3/0/2/130291531/jeligafexajikipomadi.pdf
    • http://startleaders.org/uploads/1/3/0/7/130738696/dukoxuf-virijerok-xenavowobar-maginaji.pdf
    • http://sirine.online/uploads/1/3/0/6/130620572/f185a0d.pdf
    • http://phantomofthepasta.com/uploads/1/3/0/5/130539338/401075.pdf
    • http://ministrypartnersfunding.net/uploads/1/3/0/4/130489159/kirob-dafavopokap-robarugigejax.pdf
    • http://ronilynnfitness.com/uploads/1/3/0/7/130739835/7029314.pdf
    • http://24h-loodgieter.be/uploads/1/3/0/7/130775751/kedamobep_pafagojajoso_xojinozaxinipi.pdf
    • http://bearversusbaby.net/uploads/1/3/0/6/130620689/13beb86bc66.pdf
    • http://rhiannongower.com/uploads/1/3/0/7/130739631/130739631.html#ahuja+amplifier+120+watt+video

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001579.bin
6c237c65597b083e3c1365f58fad51226ba4673f27b9c0470b0123302a58104c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1579 6104 bytes

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