Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cb33379932d3498…

MALICIOUS

PDF

37.2 KB Authoring application: pstoedit
MD5: 8a26e6964998f399839f4d3a744a08c6 SHA-1: 6cf9f272eda8a79aa4c8a9e11cff48415708d919 SHA-256: 2cb33379932d3498041ca0bb05d10f66da5fc234ee58e69678244535836befee
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the 'PDF_SEO_LINK_FARM' heuristic strongly indicate a malicious intent to redirect users to potentially harmful websites. No scripts were extracted from this sample.

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://niboru.i1i1.icu/uploads/2020/01/28/xolewovulozasuk_mapadik_musutu_jexivuje.pdf
    • http://sexarodad.monsitebretagne.com/uploads/2020/01/28/1435884.pdf
    • http://man-energy.ru/uploads/2020/01/27/760697.pdf
    • http://xerufu.nauticflclub.org/uploads/2020/01/27/kodorarafi.pdf
    • http://xig.kanomtravel.com/uploads/2020/01/27/8536447.pdf
    • https://femapapupukoma.weebly.com/uploads/1/3/0/4/130435813/73d624.pdf
    • https://wekedape.weebly.com/uploads/1/3/0/4/130435569/mevutujigom_wiriwe_xetux.pdf
    • http://vezorebop.sianie72.ru/uploads/2020/01/28/3a496f4b.pdf
    • http://2208marinapalms.info/uploads/1/3/0/2/130289274/9968399.pdf
    • https://voxaparepuke.weebly.com/uploads/1/3/0/4/130489465/cf5986.pdf
    • http://kamatul.veramebel.ru/uploads/2020/01/27/rovax.pdf
    • http://gidekawoz.espressoplanner.com/uploads/2020/01/28/b35da1e11d7.pdf
    • http://oftsinwiltit.pro/uploads/2020/01/29/372d34dee535e.pdf
    • https://xumumegujexipak.weebly.com/uploads/1/3/0/6/130605355/sefufokik-padukagirited.pdf
    • http://xenuwep.service-ptauthentication.com/uploads/2020/01/28/3633276.pdf
    • http://nemozigijo.interneta.fun/uploads/2020/01/29/1259238.pdf
    • https://morarafaf.weebly.com/uploads/1/3/0/5/130590224/noverix.pdf
    • http://thesuspiciouscarrot.com/uploads/1/3/0/6/130620348/fepomular.pdf
    • http://laurencegestalt.com/uploads/1/3/0/5/130589252/130589252.html#chocolate+mousse+cake+nutrition+information

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001557.bin
5efd553be0d8d3a28e1752773f614180f399cf74f323dd95f4c2f5a0b18f056f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1557 8204 bytes

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