Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9091684162e6283…

MALICIOUS

PDF

30.1 KB Authoring application: Solid Converter PDF
MD5: 521aeaa6d33de58c1130111ff4448d59 SHA-1: 6123308192f14573eabd9083a328cafb63c61708 SHA-256: b9091684162e6283d879ef28bc75ce8d2dbce1a88dd0bf1e77d6009f62c476ed
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or redirection mechanism. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious intent. The document body contains garbled text and references to 'BBC1 scotland tv guide tonight', which appears to be a lure.

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://carollemonrealtors.com/uploads/1/3/0/5/130590525/nupopubopolukadabu.pdf
    • http://menusie.com/uploads/1/3/0/6/130603994/powupizevuvaj_datozileni_wufopalu.pdf
    • http://jerrygarciafoundation.net/uploads/1/3/0/5/130551298/45cc44e35cb.pdf
    • http://diofdl.weebly.com/uploads/1/3/0/5/130539734/6e4961258ba.pdf
    • http://softgoodsrestoration.com/uploads/1/3/0/4/130436365/waxenadudilozekofeb.pdf
    • http://newcastlenetworkinggroup.com/uploads/1/3/0/5/130589166/fac0e30432814.pdf
    • http://16365redington.com/uploads/1/3/0/2/130287972/wigepakabunu-bevivufogobaf-fizokajasix.pdf
    • http://ppa-m.com/uploads/1/3/0/6/130620997/luvuruzupugenurezi.pdf
    • http://recycledbags.net/uploads/1/3/0/5/130543476/rovizukefixo-fenadakimixubuv.pdf
    • http://albuquerquemobilenotary.com/uploads/1/3/0/4/130476513/130476513.html#bbc1+scotland+tv+guide+tonight

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001245.bin
3d5344482e9ca3bc7f814d7df1c9d1257bb9e12c8a0babb948add73a908ee100		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1245 7680 bytes

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