Malicious PDF — malware analysis report

Static analysis result for SHA-256 960940944a2c36d1…

MALICIOUS

PDF

28.6 KB Authoring application: Solid Converter PDF First seen: 2020-09-24
MD5: 461f405be4f83a8d1c8812fe8cc4b373 SHA-1: 4717544ecaee14c519f7f2ab6dfd8ee132b61a89 SHA-256: 960940944a2c36d14346d3e537408dc01f53df9081d0caca4bc4089462067142
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a mass external link farm, directing users to numerous other PDF files hosted across various domains. This technique is often used for SEO manipulation or to distribute malware. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. 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://www.gonzalesdesigns.davidmichaeldesigns.com/uploads/1/3/0/2/130287261/jixeferajonap.pdf In PDF document text
    • http://bergeneducational.com/uploads/1/3/0/5/130541924/pulakovuwud.pdfIn PDF document text
    • http://freechoicelearning.org/uploads/1/3/0/4/130488312/nuwazedod_gefeloduzoz.pdfIn PDF document text
    • http://charlottesvilleostomysupport.com/uploads/1/3/0/6/130620628/jakakawu.pdfIn PDF document text
    • http://psychiatricservicesllc.com/uploads/1/3/0/8/130874583/061481.pdfIn PDF document text
    • http://aialumassage.com/uploads/1/3/0/7/130775229/welebaxatuwasa.pdfIn PDF document text
    • http://metalslitter.com/uploads/1/3/0/8/130874316/nuporexebe.pdfIn PDF document text
    • http://www.photos-by-jess.com/uploads/1/3/0/9/130969644/837805.pdfIn PDF document text
    • http://bestcheaptrips.net/uploads/1/3/0/6/130621582/1910046.pdfIn PDF document text
    • http://teaisforlife.com/uploads/1/3/0/5/130551775/vidiwu-rofukuxunu-miragipa-xuzuna.pdfIn PDF document text
    • http://ethansanderlin.com/uploads/1/3/0/2/130289310/5532050.pdfIn PDF document text
    • http://molletenglishconsulting.com/uploads/1/3/0/3/130323936/6883103.pdfIn PDF document text
    • http://bowwowweed.com/uploads/1/3/0/6/130604877/7761776.pdfIn PDF document text
    • http://a1893059xstreamtravel.xsideas.com/uploads/1/3/0/6/130605254/130605254.html#punjab+kesari+kaithal+today+newsIn PDF document text

Related samples 1

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000018ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18AB 6996 bytes
SHA-256: ecf942046d6a840b8978660e8f0897ebd682d4e1f18e8410c1da478ecb425ed7

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