Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2f7c5fc7cdd8ed9…

MALICIOUS

PDF

38.8 KB Authoring application: ImageMagick First seen: 2020-09-24
MD5: 6e3a43639601d09c92250d4458706584 SHA-1: c3d785099a1c5b81970511d0106db7e1d3077e71 SHA-256: b2f7c5fc7cdd8ed9af9eab2faffd7ec85c2027876d4c6d5ffa872e8b0061913e
152 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.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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 In PDF document text
    • https://mevutinazu.weebly.com/uploads/1/3/0/6/130603847/517400.pdfIn PDF document text
    • http://smaph.ru/uploads/2020/01/27/5f9eb5b61aa67f.pdfIn PDF document text
    • http://miragabella.com/uploads/1/3/0/2/130288444/votaxopuwe_kanafazumiti.pdfIn PDF document text
    • http://lusumov.audiostart11.icu/uploads/2020/01/28/litefonusutod.pdfIn PDF document text
    • https://sonufavorunex.weebly.com/uploads/1/3/0/6/130604254/0bd6e6f3321.pdfIn PDF document text
    • https://liwawakax.weebly.com/uploads/1/3/0/4/130483489/6555889.pdfIn PDF document text
    • https://welekibo.weebly.com/uploads/1/3/0/5/130542728/pazufinob.pdfIn PDF document text
    • http://poneroxeko.bosh.moscow/uploads/2020/01/27/72d0ffa5743b.pdfIn PDF document text
    • http://jurilefup.marafonpw.ru/uploads/2020/01/28/113cbe65208945.pdfIn PDF document text
    • http://tabiat.ru/uploads/2020/01/29/savubosezagemenufe.pdfIn PDF document text
    • http://xowuromo.olsi-tex.ru/uploads/2020/01/27/negarimapuxova.pdfIn PDF document text
    • http://fowefun.garagrus.ru/uploads/2020/01/27/7408832.pdfIn PDF document text
    • http://dobobi.starcrane.ru/uploads/2020/01/29/mupifujidubef.pdfIn PDF document text
    • https://dazoruwisamorug.weebly.com/uploads/1/3/0/5/130543198/70b9f.pdfIn PDF document text
    • https://vezoseban.weebly.com/uploads/1/3/0/5/130541285/0c1c384c44de3fa.pdfIn PDF document text
    • http://tctp.ru/uploads/2020/01/27/a473118cc2.pdfIn PDF document text
    • http://marleyandcophotography.com/uploads/1/3/0/5/130541064/gutaze-delub.pdfIn PDF document text
    • http://amesburychildrenstheater.org/uploads/1/3/0/4/130483393/fdb33f61d397.pdfIn PDF document text
    • http://ya-solutions.com/uploads/1/3/0/6/130620635/6807223.pdfIn PDF document text
    • http://pupe.festivalweer.com/uploads/2020/01/27/sibabitonutu.pdfIn PDF document text
    • http://djsacademy.com/uploads/1/3/0/2/130270924/130270924.html#pink+movie+torrentIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000015a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15A9 7864 bytes
SHA-256: 62bc7632d34582b53b3da37390eb99cf6ea5738679fbcef8b1e4de29db62b63e