Malicious PDF — malware analysis report

Static analysis result for SHA-256 44f029d657720bff…

MALICIOUS

PDF

49.2 KB Authoring application: Smallpdf Desktop
MD5: 3ffec6d7fcdffcc41648e467a10cd994 SHA-1: d3879957f2ddf8458a73f8f1ad3a4e74bfa147da SHA-256: 44f029d657720bffe4ea08f6c89c976a1b842acf6833b43c3687b750666d8fc0
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a large number of embedded external links, identified as a PDF_SEO_LINK_FARM heuristic, suggesting a phishing or SEO abuse attack pattern. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing intent. No scripts were extracted, limiting the analysis of direct payload execution.

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://1989raiders.com/uploads/1/3/0/6/130621378/mewajabasezajo_zekogefezeb_kalaxexujupiz.pdf
    • http://h0ck.net/uploads/1/3/0/7/130775376/8935847.pdf
    • http://retired.blue/uploads/1/3/0/6/130604127/18ae68.pdf
    • http://www.pormanodepalo.com/uploads/1/3/0/8/130814178/nadikupagiseroli.pdf
    • http://somorra.com/uploads/1/3/0/5/130539599/duzikuzadizeli.pdf
    • http://musette-ventures.org/uploads/1/3/0/3/130313263/8468178.pdf
    • http://electmusic.net/uploads/1/3/0/2/130270990/3bd1562b67e588.pdf
    • http://thatgirlmathy.com/uploads/1/3/0/6/130622066/881db43.pdf
    • http://microbladingcairns.com/uploads/1/3/0/5/130539697/ca05229.pdf
    • http://hangmyboard.com/uploads/1/3/0/6/130639358/tuxoladep_talez_nutokereguxuwop.pdf
    • http://www.yogafun.co.uk/uploads/1/3/0/8/130814448/jeler-zafedipatiles-jezelebedewuvip-dupotupawotemaj.pdf
    • http://u-ehs.com/uploads/1/3/0/7/130775446/6908709.pdf
    • http://concordat3.pleasingfood.com/uploads/1/3/0/4/130488213/130488213.html#shortage+occupation+list+france
    • http://retired.blue/uploads/1/3/0

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006706.bin
412d579e1ad00dfa69ec0189834cc16813720b5c99cfbd5504faed3400071111		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6706 9432 bytes

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