Malicious PDF — malware analysis report

Static analysis result for SHA-256 92639068708cfbff…

MALICIOUS

PDF

41.6 KB Created: 2020-08-15 01:40:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 867270001331b806dfe483b3204e9a93 SHA-1: cab00fcdea1650eb73cbc732b2d90cfe58a1914c SHA-256: 92639068708cfbff3fb1b23b759de47d9a389cc6059ff1f045aff2f81659d688
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to benign Shopify URLs, but one critical link redirects to a known malicious domain, ttraff.com. The document body, though heavily obfuscated, contains text related to downloading a game, suggesting a social engineering lure. The primary malicious activity observed is the redirection to a malicious URL, likely intended to deliver a secondary payload or phish for credentials.

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.com/pify?keyword=cut+to+size+acrylic+sheets+brisbane
    • http://files.mimiharding.com/uploads/1/3/1/4/131408913/b08e7aaf0cd98b.pdf
    • https://cdn.shopify.com/s/files/1/0428/7257/0012/files/how_to_download_act_ffxiv.pdf
    • https://cdn.shopify.com/s/files/1/0440/7430/3640/files/elastic_and_inelastic_collision_examples.pdf
    • https://cdn.shopify.com/s/files/1/0429/6222/3263/files/81684156613.pdf
    • https://cdn.shopify.com/s/files/1/0439/0803/8811/files/woluguzawipupamusubifo.pdf
    • https://cdn.shopify.com/s/files/1/0431/5149/1233/files/96206565051.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/muxolalinurijelibabozafod.pdf
    • https://cdn.shopify.com/s/files/1/0428/3016/8230/files/33971896892.pdf
    • https://cdn.shopify.com/s/files/1/0429/1215/3766/files/jimenopax.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58085676994.pdf
    • https://cdn.shopify.com/s/files/1/0431/1675/7153/files/wefalogugi.pdf
    • https://cdn.shopify.com/s/files/1/0430/8631/5684/files/94219540772.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_off000059e5.bin
9475e9169bbec5f63c5f5536eb13c534f854436a20559c2a4e4e98c3136c38da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59E5 5084 bytes
font_01_sfnt_off00006b31.bin
35530dd6e73c7c98dda466be0fdddc360e281fbfaff2c69fba60c804e98fcc26		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B31 14564 bytes

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