Malicious PDF — malware analysis report

Static analysis result for SHA-256 995d7157f925e50d…

MALICIOUS

PDF

49.9 KB Created: 2020-08-31 12:19:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ff114e7df3028b679e21d0fab30f6e4 SHA-1: ac3864cafced3e8f590f159849be026bdedcbe8d SHA-256: 995d7157f925e50d4a5b68ef6d524393011cac346b218b4d14ed9fbead70b735
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains this URL and other benign-looking Shopify URLs, suggesting a lure. The primary malicious URL is likely intended to redirect the user to a phishing or malware distribution site. No scripts were extracted, limiting the analysis of direct execution capabilities.

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/wix?keyword=technique+de+conservation+des+aliments+svt
    • https://cdn.shopify.com/s/files/1/0461/3924/4697/files/character_point_of_view_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0432/1751/8751/files/56178519978.pdf
    • https://cdn.shopify.com/s/files/1/0430/4008/0021/files/zumawanamunopep.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tufajotojitumawudawemir.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupenase.pdf
    • https://cdn.shopify.com/s/files/1/0432/4245/5207/files/nuzuburemu.pdf
    • https://cdn.shopify.com/s/files/1/0433/2758/6472/files/windows_edit_hosts_file.pdf
    • https://cdn.shopify.com/s/files/1/0460/6728/6180/files/51575419004.pdf
    • https://cdn.shopify.com/s/files/1/0435/9464/5672/files/cambridge_english_complete_key_for_schools.pdf
    • https://cdn.shopify.com/s/files/1/0447/3257/9996/files/vanireroniridixokabim.pdf
    • https://cdn.shopify.com/s/files/1/0436/0480/3746/files/48505490805.pdf
    • https://cdn.shopify.com/s/files/1/0431/3625/4101/files/moodle_pedregal_campus_santa_anita.pdf
    • https://static.usrfiles.com/ugd/72216b_88f212721fee4fa8a8969c8a3d0bae93.pdf
    • https://static.usrfiles.com/ugd/39cb9d_9b1a112e46ec4e1398c5bfb3f5b35b71.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000772c.bin
b6eef62dc1beb22113e973de39c9128f78fe18f75365e534ea54b0d18b893a7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x772C 5196 bytes
font_01_sfnt_off00008898.bin
cd4db1360b1b794749b4f172f6b92aa760c6811ffc0d418e210f85fc3c8cec06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8898 11348 bytes
font_02_sfnt_off0000ac61.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAC61 4324 bytes

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