Malicious PDF — malware analysis report

Static analysis result for SHA-256 dacd66b992c1622b…

MALICIOUS

PDF

43.5 KB Created: 2020-08-18 21:58:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4cfff3fe7d7d6acfc029b784770ecc5a SHA-1: 5870a57aa20536069a2f65c1fe2c85666c4a2027 SHA-256: dacd66b992c1622b10973550863aca431289e9d736be7662aa4e9c011f6dbb84
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating it's a malicious redirector. The document body, though heavily obfuscated, contains text related to 'website landing page templates free' and a URL pointing to a redirector. This suggests the document's primary purpose is to trick users into clicking malicious links by posing as a resource for free templates, ultimately leading them to malicious infrastructure.

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=website+landing+page+templates+free
    • http://files.cybercats5436.com/uploads/1/3/1/8/131857914/c2d0f4e7532903.pdf
    • http://files.endlessoceansgozo.com/uploads/1/3/1/3/131380440/2d507.pdf
    • http://xivunazar.protectgladewatershed.com/uploads/1/3/0/8/130873995/1292402.pdf
    • http://files.fromagarden.com/uploads/1/3/1/3/131384401/riximilozemax-vopilanojowul.pdf
    • https://cdn.shopify.com/s/files/1/0434/3057/6278/files/24128651107.pdf
    • https://cdn.shopify.com/s/files/1/0433/0140/4830/files/nixopoluxizujet.pdf
    • https://cdn.shopify.com/s/files/1/0447/9988/5463/files/78148962437.pdf
    • https://cdn.shopify.com/s/files/1/0431/9395/8560/files/fusisanobenutune.pdf
    • https://cdn.shopify.com/s/files/1/0432/2859/4336/files/2425120117.pdf
    • https://cdn.shopify.com/s/files/1/0428/7053/8406/files/zamafe.pdf
    • https://cdn.shopify.com/s/files/1/0430/3106/8825/files/wixolixekefemexoxikew.pdf
    • https://cdn.shopify.com/s/files/1/0430/3942/4665/files/dubotuzarodabumajizixebe.pdf
    • https://cdn.shopify.com/s/files/1/0430/5541/5445/files/evangelismo_dinamico_luisa_walker.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_off000061da.bin
eb6fa199eadd993f8fbe44116cb3964df2b1e0dbb6f0d5802c1c4a1aae0aa4d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61DA 5516 bytes
font_01_sfnt_off00007479.bin
7f38c7bd3076d5ec567b373f8788658f617417f44aeaffad1c2d563936ecbb0a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7479 2268 bytes
font_02_sfnt_off00007e89.bin
bde7e9b3bec89f3895e8e2135696cd8ea7e21f29209e043c1eed1be4167f3b63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E89 10132 bytes

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