Malicious PDF — malware analysis report

Static analysis result for SHA-256 c75226a7abc37db2…

MALICIOUS

PDF

58.0 KB Created: 2020-06-02 20:02:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 466228778cce0996c13bed26865a52df SHA-1: 4fc168fe642f93484a2e038824b0d716977429fd SHA-256: c75226a7abc37db209edb2bb4933cb7cb708e27bf097306b430360181211241e
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The primary purpose appears to be directing users to various external websites, likely for phishing or SEO spam. The embedded URLs suggest a broad distribution strategy across multiple domains.

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.
  • 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://paloaltoseiwakai.com/uploads/1/3/0/5/130590392/130590392.html#1+4+7+10
    • http://workfromhomecareers.online/uploads/1/3/0/8/130814856/3359242.pdf
    • http://arenaeyecarenatomas.com/uploads/1/3/0/6/130604169/depatolir.pdf
    • http://mylavishonline.com/uploads/1/3/0/4/130436074/9361391.pdf
    • http://lylemcconaughy.com/uploads/1/3/1/3/131383456/a488222.pdf
    • http://coloradospringsairductcleaning.org/uploads/1/3/0/7/130739139/8a95859b2dd022.pdf
    • http://paloaltoseiwakai.com/uploads/1/3/0/5/130590392/terms.html
    • http://paloaltoseiwakai.com/uploads/1/3/0/5/130590392/dmca.html
    • http://paloaltoseiwakai.com/uploads/1/3/0/5/130590392/policy.html
    • https://dudifuz375816519.files.wordpress.com/2020/06/70944681282.pdf
    • https://tugivas366929210.files.wordpress.com/2020/06/tozekazonawidegubodevi.pdf
    • https://supufusifiv.files.wordpress.com/2020/05/mabamamuxapogazox.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a804.bin
0e4c6ec2ff6ad3775daa1d455a81eb968a6276ba9e833a8951dfd70ed194d4a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA804 17548 bytes

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