Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a3ca69b15d4b7e5…

MALICIOUS

PDF

38.6 KB Authoring application: Poppler-utils
MD5: c66112f079f185ffcec4ce25f3e1bad7 SHA-1: 943ba78e5cdb77ccd7eafad803dfac461c19456f SHA-256: 6a3ca69b15d4b7e5fe86602efde22476341fb4df5394f6af58d8a7340e73d6bf
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. ClamAV also detected this file as Pdf.Phishing.TtraffRobotInstall, suggesting a phishing or malicious redirection campaign. The embedded URLs likely lead to further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://www.monstersandrecords.com/uploads/1/3/0/2/130273896/4328286.pdf
    • http://www.shotbygotti.com/uploads/1/3/0/8/130814594/4642409.pdf
    • http://cpanel.2texasdips.com/uploads/1/3/0/8/130814227/f21ba56.pdf
    • http://exploretechcanada.com/uploads/1/3/0/8/130814254/5059318.pdf
    • http://soloporque.org/uploads/1/3/0/3/130323424/vukapejuva.pdf
    • http://frankwbrennan.com/uploads/1/3/0/4/130483355/5982733.pdf
    • http://www.massagetribe.com.au/uploads/1/3/0/5/130588503/2d15ef1245.pdf
    • http://mx.grafxmicro.com/uploads/1/3/0/8/130813855/lorofexiponaveg-jovitilidapexek-dewafedanatik.pdf
    • http://kylestevenanderson.com/uploads/1/3/0/6/130603943/5106218.pdf
    • http://nataliahermida.com/uploads/1/3/0/2/130272509/6333554.pdf
    • http://www.pencilmeportraits.com/uploads/1/3/0/8/130813770/5c5b7baa77.pdf
    • http://midwestrepsales.com/uploads/1/3/0/6/130604175/3567715.pdf
    • http://peopleandpipelines.com/uploads/1/3/0/5/130550790/1891562.pdf
    • http://remsofflorida.com/uploads/1/3/0/7/130776728/jenokigevojil.pdf
    • http://ukerepublicukuleles.com/uploads/1/3/0/6/130620937/kajuxe.pdf
    • http://windsorwesley.com/uploads/1/3/0/8/130874183/843b278.pdf
    • http://ellabelleslime.com/uploads/1/3/0/5/130539553/zejav.pdf
    • http://www.cleanwatergso.net/uploads/1/3/0/5/130550882/a25d0.pdf
    • http://stand2serve.org/uploads/1/3/0/2/130287835/f39a4056cc81e.pdf
    • http://enchantedday.org/uploads/1/3/0/8/130873758/geponipifopi.pdf
    • http://layanshaheen.com/uploads/1/3/0/7/130738647/vepixe.pdf
    • http://www.oxytocinenterprises.com/uploads/1/3/0/5/130589308/ralivenizobipeje.pdf
    • http://miranda-bewindvoering.nl/uploads/1/3/0/6/130604581/nazikabarow.pdf
    • http://tiptoppainting.net/uploads/1/3/0/4/130475923/228713cbe.pdf
    • http://female.mediutopia.com/uploads/1/3/0/2/130272880/130272880.html#alfabeto+en+letra+de+carta+mayuscula

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032d9.bin
072c9b0e73fa18f336b83a56e6528126403d8e1474f2759e13b6c0a24d8bee2f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32D9 8828 bytes

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