Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b467ccdd9d438f8…

MALICIOUS

PDF

47.6 KB Created: 2020-08-21 19:17:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44a9e80e1d86370efb8050042b7c711d SHA-1: 55764a892bc171eae48e725b69317b87981fe4f6 SHA-256: 8b467ccdd9d438f81da465e25d093af9fbd8e210bcc18980828da6acd6cfccb3
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. This URL is embedded within the document body, disguised as a search result for 'canon rebel t6i manual settings'. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many of which are hosted on Shopify but point to potentially malicious content. The primary malicious URL is 'https://ttraff.cc/pify?keyword=canon+rebel+t6i+manual+settings', which likely serves as a gateway to a malicious site or payload.

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=canon+rebel+t6i+manual+settings
    • http://fofupo.laurenalexastyle.com/uploads/1/3/1/4/131453540/6344418.pdf
    • http://files.manageeurope.com/uploads/1/3/1/4/131454345/861355.pdf
    • http://files.surf-school-capbreton.com/uploads/1/3/1/4/131454766/sitegabunul.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19194700937.pdf
    • https://cdn.shopify.com/s/files/1/0437/6150/0318/files/mortal_kombat_2_kitana.pdf
    • https://cdn.shopify.com/s/files/1/0428/9495/0556/files/rudram_namakam_chamakam_telugu_meaning.pdf
    • https://cdn.shopify.com/s/files/1/0432/6447/5304/files/catherine_millet_gratuit.pdf
    • https://cdn.shopify.com/s/files/1/0432/5546/4104/files/29087822392.pdf
    • https://cdn.shopify.com/s/files/1/0431/9654/7230/files/dexivopivam.pdf
    • https://cdn.shopify.com/s/files/1/0440/2357/8774/files/sr_71_blackbird_fact_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0432/9842/2934/files/remington_ammo_rebate.pdf
    • https://cdn.shopify.com/s/files/1/0432/7823/7856/files/95577480523.pdf
    • https://cdn.shopify.com/s/files/1/0430/8706/9348/files/lefinozuf.pdf
    • https://cdn.shopify.com/s/files/1/0429/5350/6969/files/84615084126.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_off00007d94.bin
af7e9254fca8d6a704c10a929233f50f25048af1b7584c13af8ead4b7aa8ba68		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D94 5204 bytes
font_01_sfnt_off00008f2d.bin
fe676f1f07755dde2ff1f3b5254a5b3a845646de2b23f8c871fb674861ebe087		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F2D 10024 bytes

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