Malicious PDF — malware analysis report

Static analysis result for SHA-256 6aa347fd38acbd29…

MALICIOUS

PDF

70.5 KB Created: 2021-09-08 22:10:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 2ab71cc62f477aa9fa134fdb52735e8d SHA-1: d0515d888b4973dd8c3b9460c56108aa763d0b29 SHA-256: 6aa347fd38acbd29cf9dc4299c88392324a72b7e7f9b932c27fb0fa78b337eb3
94 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4393

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://birkhoffhi.com/userfiles/files/zoxepezesoxufijezip.pdf
    • http://qdjshg.com/files/file/xubodobegozujikul.pdf
    • http://ljsmelt.com/upload/files/wokufigav.pdf
    • http://cpbnatation.fr/fckeditor/userfiles/file/95010072757.pdf
    • http://progfin.pl/userfiles/file/36545501796.pdf
    • http://miyagi.chi-kara.net/Upload/files/tubakanoziralufogivem.pdf
    • http://solarhomepage.ch/fckeditor/editor/images/file/bikoxotibowalurujuv.pdf
    • https://gangnampools.com/contents/files/wogenaravivagurubotixazen.pdf
    • https://myvideoclasses.com/ci/userfiles/files/voturol.pdf
    • https://biserica-izvorul-tamaduirii.ro/files/xiwijupalipopefulamamuso.pdf
    • http://congseng.com/uploadfile/files/47054636112.pdf
    • https://purevdavaa.mn/uploads/ckfinder/files/rutomuvedabigineladag.pdf
    • http://caerulumpharma.com/upload/files/sefulukazedozu.pdf
    • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e3d99126b---nisirupujipezovi.pdf
    • http://specialcats.nl/media/files/mifogufuseta.pdf
    • http://chiaranannini.com/userfiles/files/7045384716.pdf
    • http://ekvatorbl.com/userfiles/file/72796534307.pdf
    • http://eltprof.ru/userfiles/file/94610865533.pdf
    • http://ccshecea.org/upload/files/11446372602.pdf
    • http://pro-elec.ru/ckfinder/userfiles/files/66085441176.pdf
    • http://shijijiaming.net/filespath/files/20210904132249.pdf
    • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130aa8d59387---wasobuvuku.pdf
    • https://foundlight.ca/home/foun6192/public_html/files/custom_files/file/6707211217.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=tubemate+old+app+download
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d510.bin
ca04c3130c501c7c09e2ccd980ea93525373c0c1c602c727224cc6fcd4c6fd6c
pdf-font-stream PDF embedded font (sfnt) at offset 0xD510 10480 bytes
font_01_sfnt_off0000ecb0.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
pdf-font-stream PDF embedded font (sfnt) at offset 0xECB0 16792 bytes