Malicious PDF — malware analysis report

Static analysis result for SHA-256 5352848124444b53…

MALICIOUS

PDF

47.2 KB Authoring application: ImageMagick
MD5: 8862124a57e84c3e616c1de3cf89d826 SHA-1: 41bb1b6188519a76ef5cad93754ac618e5c365ba SHA-256: 5352848124444b53b877cc4734c1bd77bae4c2651cd9f2bb711bd1b9f1b50b02
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a common technique for phishing or redirecting users to malicious sites. The document body mentions H. pylori and peptic ulcers, suggesting a lure to entice users to click on the embedded links. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing intent.

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://dissostich.us/uploads/1/3/0/8/130874197/sinekutawakuxe.pdf
    • http://quick.beer/uploads/1/3/0/7/130774981/862514.pdf
    • http://roilights.com/uploads/1/3/0/6/130604519/85431d769.pdf
    • http://cheriward.com/uploads/1/3/0/7/130740590/3894347285e183c.pdf
    • http://agenttemplate.com/uploads/1/3/0/6/130620834/cbd7921c9.pdf
    • http://stevenvague.com/uploads/1/3/0/6/130604286/guviwisapus.pdf
    • http://skilledjoestore.com/uploads/1/3/0/5/130551271/jagevako.pdf
    • http://windsorwes.com/uploads/1/3/0/8/130814258/e03c01480f6a062.pdf
    • http://hivemindpartners.com/uploads/1/3/0/2/130274319/c67a9aedba24eb.pdf
    • http://aftermat.com/uploads/1/3/0/6/130604782/7d9ad4274.pdf
    • http://hubertspice.com/uploads/1/3/0/8/130814066/petokub_dedupudamoxo.pdf
    • http://9mgr4.bpmtc.com/uploads/1/3/0/3/130323564/130323564.html#h+pylori+peptic+ulcer

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000497b.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x497B 16036 bytes
font_01_sfnt_off000060d7.bin
6ff07e58a888cd6d51a93daffba2c18a34906960d512b8b1eeca2dfbc06d22ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60D7 8484 bytes

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