Malicious PDF — malware analysis report

Static analysis result for SHA-256 320df70ec5c199e6…

MALICIOUS

PDF

73.0 KB Authoring application: PDFBox
MD5: 359eb39f5993cf7731f8e193158da663 SHA-1: 58918225b41eb2a086a4eaa2e03f3d1c0847ac8d SHA-256: 320df70ec5c199e6f0ac662c127bc34d0ea534d8422fe5409be846fe4728ff5d
128 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm designed to redirect users. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body, though heavily corrupted, contains fragments of URLs, reinforcing the link-based attack pattern.

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://xeda.migraskope.info/uploads/2020/01/28/dulirolupenigixexi.pdf
    • http://kum.bassporshop.com/uploads/2020/01/29/d1314eeb.pdf
    • https://subazekuru.weebly.com/uploads/1/3/0/4/130476148/2be041de937c.pdf
    • http://thejoyofsyntax.com/uploads/1/3/0/3/130313289/vutegamaladivame.pdf
    • http://riddlefamilyranchgrassfedbeef.com/uploads/1/3/0/4/130483348/b738ff946e08d1.pdf
    • http://biguzi.sngco.biz/uploads/2020/01/28/8214788.pdf
    • http://myartscout.com/uploads/1/3/0/5/130588461/6939907.pdf
    • http://lbjconsult.com/uploads/1/3/0/5/130589250/6522dd05c71d.pdf
    • https://kalosesodonudon.weebly.com/uploads/1/3/0/5/130542773/lixuvolog-fumanopufalofi-kijifuz-sijumogitip.pdf
    • http://allthingsroe.com/uploads/1/3/0/5/130539092/93340dd5b00d.pdf
    • http://titasesoza.online-winq.info/uploads/2020/01/28/diwutatulal_jididik_mosibonozisul_funik.pdf
    • http://ryanmatthewmiller.com/uploads/1/3/0/5/130540554/subitazufu-ziragajirop-kurunizoni.pdf
    • http://habitsforhealthcoaching.com/uploads/1/3/0/5/130551890/26cfeba307fb12d.pdf
    • http://2000jobsllc.com/uploads/1/3/0/6/130639910/130639910.html#unstable+angina+aha+guidelines

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000148f.bin
35fdf1b92a456b10ceb80d2fdf87d733fd3dc1a56c07d6f32b980ebfb5fbb4ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x148F 8456 bytes
font_01_sfnt_off000058fe.bin
a1b424355a24257d09cd403cbb436d5eff08e8f76e90c966fa9bcd9c6babce62		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58FE 3472 bytes

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