Malicious PDF — malware analysis report

Static analysis result for SHA-256 4be4780357eef997…

MALICIOUS

PDF

49.4 KB Created: 2020-08-30 05:58:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ee3e07846fb22d4770ff2be8587b3ae SHA-1: b7ceca9666ff2dd674e9f99c59cdb03f6784faaa SHA-256: 4be4780357eef9979faae9d968b16a8e113047ae3566319e8ce46e2aa5432037
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, with numerous embedded links to other PDF documents hosted on Shopify. One of these links, 'https://ttraff.cc/wix?keyword=fallout+4+character+names', is identified as a malicious redirector. This suggests a social engineering attempt to lure users to malicious infrastructure, likely for further exploitation or malware delivery.

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/wix?keyword=fallout+4+character+names
    • https://cdn.shopify.com/s/files/1/0436/0319/8116/files/xigezuxovikali.pdf
    • https://cdn.shopify.com/s/files/1/0435/3064/9749/files/brocade_6510_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/0862/1719/files/facebook_status_love_video_song.pdf
    • https://cdn.shopify.com/s/files/1/0434/0216/6428/files/blood_domain_cleric_5e.pdf
    • https://cdn.shopify.com/s/files/1/0434/1130/8696/files/89941070534.pdf
    • https://static.usrfiles.com/ugd/b8c837_255a84215a284ca88d45dcb08a210a2e.pdf
    • https://static.usrfiles.com/ugd/b8c837_88b1be7076a940768e8349e92dbe8cf7.pdf
    • https://static.usrfiles.com/ugd/ad2ade_c945c30533a64422bc2516d37f8fd097.pdf
    • https://cdn.shopify.com/s/files/1/0436/5592/1822/files/89144954641.pdf
    • https://cdn.shopify.com/s/files/1/0433/6504/0286/files/83653381587.pdf
    • https://cdn.shopify.com/s/files/1/0432/2738/1924/files/52349787833.pdf
    • https://cdn.shopify.com/s/files/1/0435/0171/5622/files/kirideninokitito.pdf
    • https://cdn.shopify.com/s/files/1/0427/9848/1564/files/84781740424.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_off00007bc6.bin
9f2f839357d9395466ba6d87c35d87bfaa8df4087fd55e895484bf004c2be9f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BC6 5084 bytes
font_01_sfnt_off00008ce2.bin
c5f9ed8e3582cce84c58002e0bc3199e772b0350916f328050721fa6ef5c0de0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CE2 13884 bytes

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