Malicious PDF — malware analysis report

Static analysis result for SHA-256 d76821640de04370…

MALICIOUS

PDF

40.3 KB Authoring application: Adobe PDF Library 9.0 First seen: 2020-09-24
MD5: 5a67397225ec2fdbdb241230f6653555 SHA-1: 60bb39ed600b3cf4db7170d18e1fe8f47ab11ce2 SHA-256: d76821640de04370b8ad95776e1c503a43683a397ec27f577d327c495643c7ce
94 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing variant. The document body, despite being partially corrupted, contains URLs that likely lead to further malicious content, masquerading as an answer key for a webquest. The presence of embedded URLs and the overall detection suggest a phishing attempt designed to trick users into downloading a malicious payload.

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://mykindoffamily.com/uploads/1/3/0/7/130740492/359483e867ea7.pdf PDF link annotation
    • http://nwcenterautos.org/uploads/1/3/0/5/130546543/dikafiziwug.pdfIn PDF document text
    • http://mygoodlife.solutions/uploads/1/3/0/4/130476351/d010c527df614.pdfIn PDF document text
    • http://chrisbrooksarchitecture.com/uploads/1/3/0/4/130493143/kegivogural_voxajuz.pdfIn PDF document text
    • http://bali-immo-villa.com/uploads/1/3/0/4/130435888/fiviwosijediguro.pdfIn PDF document text
    • http://tcsonline.net/uploads/1/3/0/6/130620964/130620964.html#human+body+systems+webquest+answer+keyIn PDF document text
    • http://dejavu.sourceforge.netIn extracted file (font_01_sfnt_off0000568c.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_01_sfnt_off0000568c.bin)

Related samples 8

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_off0000109c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109C 7512 bytes
SHA-256: 5ada7bed0863a35c3ec021b6082156af86945417113818fd08a15ada07c74627
font_01_sfnt_off0000568c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x568C 16204 bytes
SHA-256: f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d

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