Malicious PDF — malware analysis report

Static analysis result for SHA-256 b84bd3a1d8bb5cea…

MALICIOUS

PDF

30.7 KB Authoring application: Poppler-utils
MD5: 3d2e76507cd0765cff3df08646b82e0f SHA-1: da77d2f94f2d7b9b1688db34c1e15a744965d62e SHA-256: b84bd3a1d8bb5cea1eb9143c4c94b4a77c6fa252095a815a9d12ef06c2456d41
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 and an HTML file. The ClamAV heuristic 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or malicious redirection campaign. The document body, though partially corrupted, contains text that appears to be a deceptive error message, likely intended to trick the user into clicking the embedded links. The primary attack pattern involves luring the user to download further malicious content.

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://pennysyoga.com/uploads/1/3/0/3/130313107/vuxepizajimadulos.pdf
    • http://mictkinofest.com/uploads/1/3/0/2/130273581/disaxuw_xejoroxiwomiv_fekig.pdf
    • http://thewicklowway.org/uploads/1/3/0/4/130436152/zemufusunasem.pdf
    • http://pajukuw.paradise-hotel.ru/uploads/2020/01/28/6d68cb.pdf
    • http://myssample.com/uploads/1/3/0/5/130542863/130542863.html#agere+pachigaro+free

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001070.bin
cacf85068ba7202997fe543230ca76e15da6980303102ee401d09c7ef4396d29		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1070 8868 bytes

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