Malicious PDF — malware analysis report

Static analysis result for SHA-256 a309e0bb1c9b6757…

MALICIOUS

PDF

44.7 KB Authoring application: Nitro PDF
MD5: 956b8009acc08e278c39f9602f170c25 SHA-1: 7247026bd8daa186385a252163d988b1074d22d3 SHA-256: a309e0bb1c9b67573261e5871b99587b00a3c7c5fcafb3b7975ff4c5b4078bcd
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 URLs pointing to other PDF documents hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. No scripts were extracted, and the document body was heavily truncated, limiting further analysis of the immediate user-facing 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://dogzandcoffee.studio/uploads/1/3/0/3/130379254/mufitigivijadu.pdf
    • http://homebrewershirts.com/uploads/1/3/0/4/130477952/nukamaxevoxi-wifef-zeforukurusixo-dowiwel.pdf
    • http://newtampatraillife.com/uploads/1/3/0/6/130604737/kufef.pdf
    • http://myeneeproject.com/uploads/1/3/0/5/130543476/349d53768c96c.pdf
    • http://chewoncakes.com/uploads/1/3/0/5/130588461/6211562.pdf
    • http://cothamsinthecity.com/uploads/1/3/0/4/130435690/jaxaduvezuvukov.pdf
    • http://sugarbearspet.com/uploads/1/3/0/5/130541743/luvefewa.pdf
    • http://diosamedicalesthetics.ca/uploads/1/3/0/6/130620847/sidezax.pdf
    • http://bluhorizontravel.com/uploads/1/3/0/5/130588548/jufovabafov_gatokup_dubamix_bosumewexavi.pdf
    • http://thatframingplace.com.au/uploads/1/3/0/6/130603965/a0d6d3005.pdf
    • http://siloambaptist-church.org/uploads/1/3/0/4/130477584/68e6d494.pdf
    • http://love-in-the-afternoon.com/uploads/1/3/0/6/130639396/1cccc8e12af743.pdf
    • http://heartshores.com/uploads/1/3/0/2/130271113/periwumaganivum-pizebetemek.pdf
    • http://rwpdivephotography.com/uploads/1/3/0/4/130476563/silef-baduve-buguve-zexuxane.pdf
    • http://supergise.com/uploads/1/3/0/5/130588468/3245476.pdf
    • http://myfiestaofeight.com/uploads/1/3/0/3/130324440/bivipuk.pdf
    • http://lenapetrailwinery.com/uploads/1/3/0/7/130739328/nefovokodit.pdf
    • http://profitablecontractor.net/uploads/1/3/0/5/130543588/fipewujejib_komokasave_ganiv_famifez.pdf
    • http://atypical.film/uploads/1/3/0/8/130874180/nakepit-ragisuve-turiti-wanuvo.pdf
    • http://www.bridal-dress-alterations-london.co.uk/uploads/1/3/0/2/130270955/130270955.html#html+notes+pdf+free+download
    • http://homebrewershirts.com/uploads/1/3/0/4/130477952/nukamaxevoxi-wifef-zeforukurusixo-dowiwe

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e1e.bin
73b12c7db442e2a72b334e34cfec4f9c1170b758f8bead801ac1a2c2cc238bed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E1E 8760 bytes

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