Malicious PDF — malware analysis report

Static analysis result for SHA-256 d47d291f07eac113…

MALICIOUS

PDF

37.4 KB Created: 2020-06-04 15:45:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 80256578823fd63002cb4adacaf8f8cc SHA-1: 870e504d77023da9a77f46880bf28eb5d9483c67 SHA-256: d47d291f07eac1132bc2d0ec9c3664e3849898bc233c479a755565ceae6ea65a
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body, though heavily obfuscated, contains references to URLs that are also listed in the extracted URLs. This suggests the primary purpose of the document is to direct users to a large number of external websites, likely for SEO manipulation or to host further malicious content.

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://leaderfulpowership.com/uploads/1/3/0/6/130620367/130620367.html#bsge+high+school
    • http://academicsuccess.info/uploads/1/3/1/1/131164020/6022349.pdf
    • http://madriddesigns.com/uploads/1/3/0/3/130312924/6420995.pdf
    • http://yourstrulyeladia.com/uploads/1/3/0/8/130813787/nazugajeba-fovevozuw-xavasisuxaxan.pdf
    • http://libertyfiltration.com/uploads/1/3/1/6/131606252/matigi.pdf
    • http://lifebassentertainment.com/uploads/1/3/0/4/130490808/1573084.pdf
    • http://bet365wangzhiqi.br3h.com/uploads/1/3/0/6/130604488/9f1841088fe11.pdf
    • http://leaderfulpowership.com/uploads/1/3/0/6/130620367/terms.html
    • http://leaderfulpowership.com/uploads/1/3/0/6/130620367/dmca.html
    • http://leaderfulpowership.com/uploads/1/3/0/6/130620367/policy.html
    • https://zivejefopusa.files.wordpress.com/2020/06/58640879394.pdf
    • https://dedokufon.files.wordpress.com/2020/06/livoxagupubape.pdf
    • https://nabekuvanafe.files.wordpress.com/2020/06/48733127328.pdf
    • https://tegedow.files.wordpress.com/2020/06/badubogidibexapazuf.pdf
    • https://bogimuvozil.files.wordpress.com/2020/06/ponixodarobipugogevored.pdf
    • https://zapofebozapu.files.wordpress.com/2020/06/39885348303.pdf
    • https://zexitisi.files.wordpress.com/2020/06/74709863417.pdf
    • https://gapilopuzo.files.wordpress.com/2020/06/94433740973.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_off00006550.bin
e0828e6c2829ff00da6d187428fc04fe708e4039cb4c9fe8f16d77ff1a712812		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6550 10984 bytes

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