Malicious PDF — malware analysis report

Static analysis result for SHA-256 17bb14801942a1d4…

MALICIOUS

PDF

58.3 KB Authoring application: Serif PagePlus First seen: 2020-09-24
MD5: a0b7eab12f4075c8e599aab2bcea04ab SHA-1: e07301d17489d5e57d0b95f05e62f1481e38f3e2 SHA-256: 17bb14801942a1d486f1c6e250c3ed8e4f09dde7fc2a2be88c6de8c326224c91
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. ClamAV detected this as Pdf.Phishing.TtraffRobotInstall, and an ML classifier also flagged it as malicious. The embedded URLs are likely used to distribute further malicious content or for SEO spam.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://clarksurveyor.com/uploads/1/3/0/5/130547286/7fddebbdfa0.pdf In PDF document text
    • http://vorelisuw.audiostart63.icu/uploads/2020/01/29/guvaxunipomix.pdfIn PDF document text
    • http://rootfivefarm.com/uploads/1/3/0/4/130483953/1117392.pdfIn PDF document text
    • http://trevornewtonartist.com/uploads/1/3/0/3/130313536/92948a8f10f2.pdfIn PDF document text
    • http://jonathansanford.net/uploads/1/3/0/4/130489090/7313382.pdfIn PDF document text
    • http://gefasavit.digosrescuewatch.com/uploads/2020/01/28/3394302.pdfIn PDF document text
    • http://romanpublications.com/uploads/1/3/0/4/130488445/sefudu.pdfIn PDF document text
    • http://springshine.us/uploads/1/3/0/5/130551046/rolavotabuxet.pdfIn PDF document text
    • http://arteducationdesign.com/uploads/1/3/0/6/130620666/e398861.pdfIn PDF document text
    • http://201powersports.net/uploads/1/3/0/6/130620184/4845078.pdfIn PDF document text
    • http://us.momotombochocolatefactory.com/uploads/1/3/0/4/130488779/130488779.html#hubspot+contextual+marketing+certification+answers+2019In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F6 9104 bytes
SHA-256: 8523d552a04352c49e8066143af3f2d7f4c360def2525fedb10f41004dd7d648
font_01_sfnt_off00009d3a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D3A 16400 bytes
SHA-256: 3912474571564f9815d3d81727d0a166f4af2dbabd616628aeefdca604725dee

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