Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd18818d79965609…

MALICIOUS

PDF

31.0 KB Authoring application: pstoedit
MD5: 882bca652d85f37bcb49cd5dbc1f5e7a SHA-1: 1fbd67dc8bb698a5b1ddeedb13942d67112db9a7 SHA-256: dd18818d79965609334326ee48f405fd665b3003dcfe26cbab4705702dc2b194
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 external links to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content, as suggested by the 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection also flags this as 'Pdf.Phishing.TtraffRobotInstall'. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery or execution methods.

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.angelabransartist.com/uploads/1/3/0/7/130775455/5077689.pdf
    • http://highshoppingnetwork.com/uploads/1/3/0/6/130620565/dubulosidejinu.pdf
    • http://gmountbattenllc.org/uploads/1/3/0/9/130969984/a42afad2b6c83.pdf
    • http://que-neni.com/uploads/1/3/0/6/130603683/zuwuzawije.pdf
    • http://marielouisehall.co.uk/uploads/1/3/0/5/130551491/4769952.pdf
    • http://www.lovehumblepies.com/uploads/1/3/0/2/130289485/3d5f4.pdf
    • http://openparks.net/uploads/1/3/0/7/130775279/kozuzinevufilanewe.pdf
    • http://amazinggrace.rpjandco.com/uploads/1/3/0/3/130323120/wisak_zivelopusevo_rosasax_gijus.pdf
    • http://omsked.com/uploads/1/3/0/6/130603767/veborefelovudovez.pdf
    • http://skyhyinternational.com/uploads/1/3/0/8/130814830/nulogorelunawavav.pdf
    • http://www.nouvolaviboutik.com/uploads/1/3/0/6/130639203/vevolat.pdf
    • http://coloradomountainelopement.com/uploads/1/3/0/7/130739883/9650181.pdf
    • http://atonemassageandyoga.com/uploads/1/3/0/2/130272295/solisodiva.pdf
    • http://petsdr.net/uploads/1/3/0/5/130590672/62104.pdf
    • http://www.rosiecarterdesign.com/uploads/1/3/0/4/130476496/wugusenusojetigebibu.pdf
    • http://myawaribox.com/uploads/1/3/0/4/130483074/dagewomelepug.pdf
    • http://blender.pub/uploads/1/3/0/5/130539355/130539355.html#the+microsoft+data+warehouse+toolkit+with+sql+server+2008+r2+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001e8f.bin
e580da9c4ba8305864e40dfea74298c0f50ce743b420e292c8860de2dc6e590c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1E8F 7284 bytes

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