Malicious PDF — malware analysis report

Static analysis result for SHA-256 798d25596d480e75…

MALICIOUS

PDF

36.2 KB Authoring application: SWFTools First seen: 2020-09-24
MD5: 168a573de0abbedcd8e071c0b93b7a17 SHA-1: 0cc0d2470c13bdcc4e124be8a52fb13d63debf0d SHA-256: 798d25596d480e75c7dae8d708b04dd2593a5412730c8d08153c55acdb8510c5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm designed to redirect users to potentially malicious content. ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious redirection intent. 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://wizenglish.school/uploads/1/3/0/6/130639445/c3fe69b3019c924.pdf In PDF document text
    • http://ricreativemag.com/uploads/1/3/0/8/130813317/4562552.pdfIn PDF document text
    • http://mail.arbredevie.ca/uploads/1/3/0/6/130639393/6596221.pdfIn PDF document text
    • http://ukm-hq.com/uploads/1/3/0/4/130435891/nobusaxisudawud.pdfIn PDF document text
    • http://crosshopefellowship.org/uploads/1/3/0/3/130313746/9796930.pdfIn PDF document text
    • http://merakiah.com/uploads/1/3/0/5/130550925/fusapine.pdfIn PDF document text
    • http://planetarywellbeing.org/uploads/1/3/0/2/130288542/jupimafobezimijota.pdfIn PDF document text
    • http://www.maipreferredproperties.com/uploads/1/3/0/4/130488584/vosunole.pdfIn PDF document text
    • http://tablet-healthcare.com/uploads/1/3/0/7/130776687/bekelovedokodik-xabemogowub-fuvedararule-pudabeda.pdfIn PDF document text
    • http://anongroup.org/uploads/1/3/0/2/130271076/webepuxu-zakiwi.pdfIn PDF document text
    • http://simplyfitfoods.com/uploads/1/3/0/5/130550857/2592595.pdfIn PDF document text
    • http://christilsed.com/uploads/1/3/0/2/130287548/1454441.pdfIn PDF document text
    • http://sarfa.org/uploads/1/3/0/5/130540525/regobuduxitede.pdfIn PDF document text
    • http://bohemianbirth.ca/uploads/1/3/0/6/130639164/a6b559420c2e.pdfIn PDF document text
    • http://74-123-77-190.mgwnet.com/uploads/1/3/0/6/130639365/130639365.html#dog+breast+cancer+lump+treatmentIn 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_off000033e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33E5 7828 bytes
SHA-256: 862a9ca0e0ce6e7056928d857278f6294911e58d0e12109dbdc429920126671f

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