Malicious PDF — malware analysis report

Static analysis result for SHA-256 809e032609884c03…

MALICIOUS

PDF

64.2 KB Created: 2020-08-23 14:21:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 942aeeac2896555626c7145e7a506c31 SHA-1: 63bab5698c736353e1bbd12cdab38df6c06140b9 SHA-256: 809e032609884c033f20e935ceec2f1f9b28ec376ea6de3c53817175c69acd76
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains embedded links that redirect to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains a URL that appears to be a lure for 'educational research review submission guidelines'. This URL, https://ttraff.cc/pify?keyword=educational+research+review+submission+guidelines, is a primary indicator of malicious intent, likely leading to a phishing or malware distribution site. The PDF_SEO_LINK_FARM heuristic further suggests a pattern of generating numerous links, potentially for SEO manipulation or to distribute malicious content across multiple domains.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.cc/pify?keyword=educational+research+review+submission+guidelines
    • http://files.allmybees.com/uploads/1/3/1/3/131381288/e2ef3.pdf
    • http://files.puppyculturestories.com/uploads/1/3/0/7/130739027/nibudig.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51994241049.pdf
    • https://cdn.shopify.com/s/files/1/0437/5655/2343/files/sedaxuw.pdf
    • https://cdn.shopify.com/s/files/1/0441/4518/0824/files/72259113666.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofifarigomikidapowokov.pdf
    • https://cdn.shopify.com/s/files/1/0430/4669/9165/files/23584794609.pdf
    • https://cdn.shopify.com/s/files/1/0437/1290/5384/files/human_development_report_by_undp.pdf
    • https://cdn.shopify.com/s/files/1/0437/6353/1933/files/monthly_calendar_template_2019_australia.pdf
    • https://cdn.shopify.com/s/files/1/0433/8515/9845/files/77383406985.pdf
    • https://cdn.shopify.com/s/files/1/0439/1131/5611/files/domiwasupisorudik.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bc1d.bin
f7c6feaee480756173a1d6e49c3636e804a3899d18c78977258cdcfbd06e84ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBC1D 5604 bytes
font_01_sfnt_off0000cf08.bin
df37e24d0ab9bafb9256b37f8b94f6ba625f47ea87367707b0cee7fd0cd820f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCF08 10736 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.