Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dffffabd08a344c…

MALICIOUS

PDF

60.2 KB Authoring application: pdf-parser
MD5: 629f9ab81619a3cb71f2a550dd253345 SHA-1: 8217fcce1d1738b8b245567cddd20485769a0346 SHA-256: 3dffffabd08a344cdbf650546fdfe97c074fcfe86bb32fcfaf8b5445bbc71b89
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 documents, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. No scripts were extracted from this sample, and the document body content was heavily obfuscated and truncated, preventing a more detailed analysis of its specific 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 https://zenudixu.weebly.com/uploads/1/3/0/5/130590710/xuxopufixutituzevam.pdf
    • http://msmale.com/uploads/1/3/0/5/130588424/e4eea1e79a30381.pdf
    • http://newmexicofashioninfo.com/uploads/1/3/0/4/130435941/cf27f2d156caf.pdf
    • http://bethanystafford.com/uploads/1/3/0/3/130379675/64c77c787225d9b.pdf
    • http://noworriesitaliantutor.com.au/uploads/1/3/0/5/130589077/kolodunati.pdf
    • http://gloriaandfrederik.com/uploads/1/3/0/6/130620371/zirumifirivurukipap.pdf
    • http://mydigibong.com/uploads/1/3/0/5/130588445/884835003b9a.pdf
    • http://lan.tnt25800.online/uploads/2020/01/27/nefupag_berefubekejaf_jifasabev_tozom.pdf
    • http://isatour.pt/uploads/1/3/0/6/130620428/wisipekasulisuzoki.pdf
    • http://rockymountainhighimages.com/uploads/1/3/0/2/130289453/nalazavaridat.pdf
    • http://andreafarmeraprnllc.com/uploads/1/3/0/4/130435629/bdd3d1eb5fc39.pdf
    • http://michaelparlato.com/uploads/1/3/0/5/130589400/e989195a4739c8.pdf
    • https://fobenuse.weebly.com/uploads/1/3/0/2/130287285/490bf9.pdf
    • http://beachfrontcondosfl.com/uploads/1/3/0/4/130488780/tanowebuw.pdf
    • https://porixosujasi.weebly.com/uploads/1/3/0/5/130551287/fixez.pdf
    • http://tisenuwova.audiostart42.icu/uploads/2020/01/28/5746224.pdf
    • http://ailesburylite.com/uploads/1/3/0/4/130436390/80959383ebb.pdf
    • http://xorewolave.freesx.icu/uploads/2020/01/28/fee7bf584.pdf
    • http://kofatolof.ed-pro.ru/uploads/2020/01/29/vamelepam.pdf
    • http://djmockstar.weebly.com/uploads/1/3/0/2/130291390/8311468.pdf
    • https://xumumegujexipak.weebly.com/uploads/1/3/0/6/130605355/c091feae7.pdf
    • http://sjb-productions.com/uploads/1/3/0/6/130605302/82e9419d18d57d0.pdf
    • http://tewesofos.vip-avtokran.ru/uploads/2020/01/27/mozokubevev.pdf
    • http://pleaseexcusetheshirt.com/uploads/1/3/0/5/130545818/1b3b6ae2a.pdf
    • http://ledoro.pideli.icu/uploads/2020/01/27/zugapamirigix-zibotenu-mejubewofagigu.pdf
    • http://bejustalittlebetter.com/uploads/1/3/0/6/130604402/130604402.html#ipcc+report+2017
    • http://tisenuwova.audiostart42.icu/uploads/2020/01/28/5746224

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001830.bin
5017947725a04b5af084f43bd9d87b24c06f0be90820ea8606a6103f0372113b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1830 8372 bytes

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