Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2f7c5fc7cdd8ed9…

MALICIOUS

PDF

38.8 KB Authoring application: ImageMagick
MD5: 6e3a43639601d09c92250d4458706584 SHA-1: c3d785099a1c5b81970511d0106db7e1d3077e71 SHA-256: b2f7c5fc7cdd8ed9af9eab2faffd7ec85c2027876d4c6d5ffa872e8b0061913e
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 external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The primary URL, http://rc-pab.top/uploads/2020/01/27/natesaruvimabu.pdf, is part of a link farm designed to direct users to potentially malicious content. ClamAV also detected this file as Pdf.Phishing.TtraffRobotInstall, further supporting its malicious nature. 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://rc-pab.top/uploads/2020/01/27/natesaruvimabu.pdf
    • https://mevutinazu.weebly.com/uploads/1/3/0/6/130603847/517400.pdf
    • http://smaph.ru/uploads/2020/01/27/5f9eb5b61aa67f.pdf
    • http://miragabella.com/uploads/1/3/0/2/130288444/votaxopuwe_kanafazumiti.pdf
    • http://lusumov.audiostart11.icu/uploads/2020/01/28/litefonusutod.pdf
    • https://sonufavorunex.weebly.com/uploads/1/3/0/6/130604254/0bd6e6f3321.pdf
    • https://liwawakax.weebly.com/uploads/1/3/0/4/130483489/6555889.pdf
    • https://welekibo.weebly.com/uploads/1/3/0/5/130542728/pazufinob.pdf
    • http://poneroxeko.bosh.moscow/uploads/2020/01/27/72d0ffa5743b.pdf
    • http://jurilefup.marafonpw.ru/uploads/2020/01/28/113cbe65208945.pdf
    • http://tabiat.ru/uploads/2020/01/29/savubosezagemenufe.pdf
    • http://xowuromo.olsi-tex.ru/uploads/2020/01/27/negarimapuxova.pdf
    • http://fowefun.garagrus.ru/uploads/2020/01/27/7408832.pdf
    • http://dobobi.starcrane.ru/uploads/2020/01/29/mupifujidubef.pdf
    • https://dazoruwisamorug.weebly.com/uploads/1/3/0/5/130543198/70b9f.pdf
    • https://vezoseban.weebly.com/uploads/1/3/0/5/130541285/0c1c384c44de3fa.pdf
    • http://tctp.ru/uploads/2020/01/27/a473118cc2.pdf
    • http://marleyandcophotography.com/uploads/1/3/0/5/130541064/gutaze-delub.pdf
    • http://amesburychildrenstheater.org/uploads/1/3/0/4/130483393/fdb33f61d397.pdf
    • http://ya-solutions.com/uploads/1/3/0/6/130620635/6807223.pdf
    • http://pupe.festivalweer.com/uploads/2020/01/27/sibabitonutu.pdf
    • http://djsacademy.com/uploads/1/3/0/2/130270924/130270924.html#pink+movie+torrent

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000015a9.bin
62bc7632d34582b53b3da37390eb99cf6ea5738679fbcef8b1e4de29db62b63e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15A9 7864 bytes

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