Malicious PDF — malware analysis report

Static analysis result for SHA-256 c90ad2ae3dcd8929…

MALICIOUS

PDF

38.3 KB Authoring application: ImageMagick
MD5: 662aa6e64731dd1b8d52ee740b6e47cf SHA-1: df8a1f31f96a08e61b65fe45b94b772fd8b411c4 SHA-256: c90ad2ae3dcd8929e6983b32d1f953eb3c0320fb0a98927bfbf63b201d084277
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The file is a PDF document that contains multiple embedded URLs pointing to other PDF files. The ClamAV heuristic 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or malicious intent. The document body, though heavily obfuscated, contains text related to PDF merging tools, which serves as a lure. The primary attack pattern involves tricking the user into downloading and opening a malicious PDF via these embedded links.

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://asphaltisland.com/uploads/1/3/0/6/130621422/f20dfe32.pdf
    • http://pressburg-partners.com/uploads/1/3/0/2/130272629/4c7e1ced3e81.pdf
    • http://cookstown.ca/uploads/1/3/0/7/130739777/6238643.pdf
    • http://staclaritasc.com/uploads/1/3/0/5/130551464/c03919.pdf
    • http://noxita.100kakrd.ru/uploads/2020/01/29/nezojemipa.pdf
    • http://chewoncakes.com/uploads/1/3/0/7/130739656/130739656.html#programa+para+juntar+pdf+free

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010b3.bin
d3f88ae7e888ad87a992a7794c92f89056a0fcede5583af80c91237ac182cd21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10B3 10120 bytes

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