Malicious PDF — malware analysis report

Static analysis result for SHA-256 47acf129c508fff1…

MALICIOUS

PDF

42.3 KB Authoring application: Smallpdf Desktop
MD5: 521be6821d0920895fc4ee88a9b4fda4 SHA-1: b032101ba64a9ae79a5cedfb486d05d7b470fe8f SHA-256: 47acf129c508fff1edcd39a2f363c8b696993bed7c66e4ef4ad367673c674fb0
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to numerous other PDF files hosted on various domains, suggesting a coordinated effort to distribute content or manipulate search engine results. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or traffic redirection.

Heuristics 3

  • 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
  • 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://mta44.somekindofsimple.com/uploads/1/3/0/7/130775657/pubeloxum.pdf
    • http://amtfireinvestigation.com/uploads/1/3/0/7/130740259/zibixurenojetevo.pdf
    • http://rosiemillicentkeating.com/uploads/1/3/0/4/130488362/b69c28864711271.pdf
    • http://sarahparis.photos/uploads/1/3/0/6/130605505/ba6eb.pdf
    • http://stphilipstheevangelist.org/uploads/1/3/0/7/130776233/nikawikago.pdf
    • http://mail.ping-technology.com/uploads/1/3/0/5/130551880/bugekelolagijubel.pdf
    • http://martechmarineconsultingllc.com/uploads/1/3/0/7/130739180/9502199.pdf
    • http://badluckclubofficial.com/uploads/1/3/0/4/130489564/tepezuxugegumodesilu.pdf
    • http://michigancourses.org/uploads/1/3/0/5/130588607/vukukosozupin.pdf
    • http://reeltv.net/uploads/1/3/0/7/130775672/1305201.pdf
    • http://rickyzheng.net/uploads/1/3/0/7/130740251/luserurinufoju.pdf
    • http://host25.carmichaelnl.com/uploads/1/3/0/3/130313037/130313037.html#reducir+tama%C3%B1o+archivo+pdf+acrobat

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f50.bin
d222a1ffa09e0191dab746d12746d386b1c2e7e54c679db253138a7f0dc1c7ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F50 8400 bytes

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