Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7fa7f665648431b…

MALICIOUS

PDF

149.8 KB Authoring application: pstoedit
MD5: 9e252116c7b997cfa1970b768383d8bf SHA-1: e407bcd85465e1e7f0cf2d8466623d81257c5e87 SHA-256: f7fa7f665648431b80518d4bb7a17f84c2a2b15a26cdb32096ced4eb049533a0
92 Risk Score

Malware Insights

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

The file is a PDF document that contains embedded URLs pointing to external PDF files. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The document body, though partially corrupted, references 'MTV spring break 1992', likely a lure to entice users to click on the embedded malicious links. The primary function appears to be redirecting users to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9959

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://manhatta2021.com/uploads/1/3/0/3/130324167/pumuxev.pdf
    • http://sacredsecretskincare.org/uploads/1/3/0/4/130476255/8374452.pdf
    • http://ambermayde.shop/uploads/1/3/0/5/130543476/64bef41fa06.pdf
    • http://mswoodman107.com/uploads/1/3/0/3/130379213/7156954.pdf
    • http://mmafanvote.com/uploads/1/3/0/4/130478481/wopesaxolaliwumudi.pdf
    • http://kueadressesdesign.com/uploads/1/3/0/5/130551206/3437423.pdf
    • http://minzdravua.club/uploads/2020/01/29/2478c7f.pdf
    • http://remstroi-metal.ru/uploads/2020/01/28/c3bfdb998.pdf
    • https://jikoxumuf.weebly.com/uploads/1/3/0/6/130604042/6104951.pdf
    • http://senalista.com/uploads/1/3/0/5/130588307/zovowub.pdf
    • http://refreshingoasis.org/uploads/1/3/0/5/130588962/fafoguz.pdf
    • http://mindforyou.org/uploads/1/3/0/5/130588445/130588445.html#mtv+spring+break+1992

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000014ee.bin
f279fe17e7892ef902a1019fddd359a3af6c1d596ae506ed1c154e461b267ac4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14EE 10996 bytes
font_01_sfnt_off0000d563.bin
fc0bcc9d08d908b8b1287d0ab2df4e3a5be78b1d1690d8efe3ff9d2c54ab5679		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD563 16064 bytes

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