Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d4af602ab08de66…

MALICIOUS

PDF

46.2 KB Created: 2020-08-22 00:31:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 425422a460a6699990cbf28547a86ad5 SHA-1: f624f3c88651aeca3139940a0b2092400cb873d4 SHA-256: 7d4af602ab08de66c7dee846f02f2d16a4299430af27d3346c4e26e7574a1b7f
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text fragments and URLs that suggest a lure related to 'contact us page template elementor'. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the ultimate destination. The primary malicious URL is https://ttraff.ru/pify?keyword=contact+us+page+template+elementor.

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.ru/pify?keyword=contact+us+page+template+elementor
    • http://wuzor.charentemgowners.com/uploads/1/3/1/4/131407057/730460.pdf
    • http://files.hersacredsanctuary.net/uploads/1/3/0/7/130776726/lojipagem_rabarezegi.pdf
    • http://files.stpeterssaints.com/uploads/1/3/0/7/130775557/xuvanofefifegitape.pdf
    • http://biraxutu.hiesladybears.com/uploads/1/3/0/8/130874474/a10deee6744b.pdf
    • http://files.dlambertauthor.com/uploads/1/3/0/9/130969434/fozuzozijo_gofoge_livipateja_vimekar.pdf
    • https://cdn.shopify.com/s/files/1/0428/4124/3814/files/the_boy_who_cried_wolf_story.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pizegavegip.pdf
    • https://cdn.shopify.com/s/files/1/0436/3531/0745/files/64349889046.pdf
    • https://cdn.shopify.com/s/files/1/0437/6972/5080/files/cadet_recruitment_2020_application_form.pdf
    • https://cdn.shopify.com/s/files/1/0427/7728/0671/files/jumaju.pdf
    • https://cdn.shopify.com/s/files/1/0437/4790/1592/files/gujujapowutujaxanepup.pdf
    • https://cdn.shopify.com/s/files/1/0434/4876/2529/files/58666800587.pdf
    • https://cdn.shopify.com/s/files/1/0431/8534/0580/files/18010808495.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/
    • https://cdn.shopify.com/s/files/1/0436/3531/0745/files/64349

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000078ca.bin
4ae7fec6f109d0b799c6ad83b9db922d8e7783082004b2fbfe46d34a6f688b12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78CA 5156 bytes
font_01_sfnt_off00008a36.bin
d58799ab0815b07219b414d7b1bd302ffba5bfa8855e01092d542d69340a5265		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A36 9844 bytes

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