Malicious PDF — malware analysis report

Static analysis result for SHA-256 04b033296fb8a5f5…

MALICIOUS

PDF

36.4 KB Authoring application: PDFBox
MD5: 3e6c6f693657266eca8cfb9988328e39 SHA-1: 8b15c3e39f7b71e316d0806bb1bc2d1daf64dd84 SHA-256: 04b033296fb8a5f52f64ce8b30987233e8e436fc0d3e8a15770d29296de8433c
94 Risk Score

Malware Insights

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

The file is a PDF that contains embedded URLs, one of which is also flagged by a PDF URI heuristic. The document body references "Blackmart Alpha" and provides a link, suggesting a lure to download potentially malicious applications or files. The presence of multiple external URLs indicates an attempt to redirect the user to malicious content.

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://bufet.sapsan-logistics.com/uploads/2020/01/28/kigepuvix.pdf
    • http://petsingoodhealth.com/uploads/1/3/0/4/130488891/rulivazu_gilamusivujakal_fubufogad_jesoruduvuku.pdf
    • http://0101001101001011.com/uploads/1/3/0/2/130288379/3994627.pdf
    • http://monuem.org/uploads/1/3/0/3/130379426/nizaweduga.pdf
    • http://racingshoxsweden.com/uploads/1/3/0/2/130288830/f73c8a7246719.pdf
    • http://carpetcleancary.com/uploads/1/3/0/6/130621831/130621831.html#blackmart+alpha+indir+apk

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010f6.bin
8826619b0cf2e7e39c258ca6d2d60d9022d628c647d768b216662f63d6fc18e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10F6 8880 bytes

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