Malicious PDF — malware analysis report

Static analysis result for SHA-256 6497edf48593a130…

MALICIOUS

PDF

30.5 KB Authoring application: Smallpdf Desktop
MD5: 851e13874ca4d77deff4efed3205b1f1 SHA-1: f9bff83cbaef15c5192de41d17e0c3bc09348417 SHA-256: 6497edf48593a1301a20e741dd1f94ebb9bda1a0f1351cf8baa34631beee4e0b
94 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains multiple embedded URLs pointing to PDF files hosted on suspicious domains, suggesting a phishing or malware distribution scheme. The presence of these URLs and the PDF structure strongly indicate an attempt to trick users into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://atlfoodista.com/uploads/1/3/0/6/130621721/xames_vegejose_pufawavutuj_zibapupupumap.pdf
    • http://mrworkman.ca/uploads/1/3/0/4/130436357/rosux.pdf
    • http://wilsoninteriordesign.com/uploads/1/3/0/5/130544635/2462870.pdf
    • http://zoommyrent.com/uploads/1/3/0/5/130551922/menamisavowo_gigovogefujatov_xuzixitekob_xowas.pdf
    • http://movingforwardtogethertoday.com/uploads/1/3/0/5/130538841/9646421.pdf
    • http://dancinggoatsanctuary.com/uploads/1/3/0/6/130621421/130621421.html#comic+book+free++cbr
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011be.bin
6e31cce88bfb740cca0400062994bf8465b08b3b4f2709c6a399cc15a47a4d46		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11BE 7088 bytes
font_01_sfnt_off00003b7e.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3B7E 2652 bytes

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