Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd3704718728e43a…

MALICIOUS

PDF

39.7 KB Authoring application: ImageMagick
MD5: c4172e05211a91c24982aa4e8ddbd981 SHA-1: 5eb888eac461809ecbfbf52d44ad0b6600fb556b SHA-256: fd3704718728e43a82ab7862b763e37410f1c68f1f7bb9fbb5312ee70b4cec02
92 Risk Score

Malware Insights

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

The file is a PDF containing embedded URLs that point to other PDF files, suggesting a phishing or malware distribution campaign. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The document body, though partially corrupted, contains text related to worksheets and includes the malicious URLs, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://canadianproperty101.com/uploads/1/3/0/3/130323968/jobototupowol.pdf
    • http://gawugi.kvartum.ru/uploads/2020/01/28/ropitujavi.pdf
    • http://nicolettamanusardicamicie.com/uploads/1/3/0/6/130640053/lonusufuwi.pdf
    • http://advance-it.net/uploads/1/3/0/7/130739204/130739204.html#combining+sentences+with+adjectives+and+adverbs+worksheets

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000ff5.bin
6b106d5247ac42a0f77243f299e4187e91134281b336cd13922c5b96929d9bad
pdf-font-stream PDF embedded font (sfnt) at offset 0xFF5 7880 bytes