Malicious PDF — malware analysis report

Static analysis result for SHA-256 d952dd961a9d19e2…

MALICIOUS

PDF

40.5 KB Authoring application: PDFedit
MD5: a7a19cbe9dfb5613605d965db785ee11 SHA-1: 66d4070b0e0036796bbb1f015a50ad4a870fbcca SHA-256: d952dd961a9d19e28f30b40cd7e2e6f05999cb05e16af2ffc984714e4a9780d9
92 Risk Score

Malware Insights

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

The file is a PDF document detected as malicious by ClamAV and an ML classifier. It contains multiple embedded URLs pointing to other PDF files, suggesting a phishing or malware distribution campaign. The presence of these external links indicates an attempt to redirect the user to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://nuevavistamenorca.com/uploads/1/3/0/4/130435561/tudorovakupo-maguvoxiz-lujinesab.pdf
    • http://rockyrunafterschool.com/uploads/1/3/0/6/130639839/xotiwet.pdf
    • http://audio-start5.icu/uploads/2020/01/29/dewokifiwedum.pdf
    • http://ellijayhideaway.com/uploads/1/3/0/6/130620666/wibarixafutitin-xipojofulodoka-gisijar-novuwidisebov.pdf
    • http://suderve.com/uploads/1/3/0/5/130538996/bd40a0.pdf
    • http://mindforyou.org/uploads/1/3/0/2/130270790/130270790.html#biblia+catolica+romana+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000137e.bin
068551c56b1f95874e57b87498f66883a364dab2d734966701d6c3d21a0baf25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x137E 11712 bytes

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