Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5a30e909c616b0a…

MALICIOUS

PDF

42.9 KB Created: 2020-08-01 06:37:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7d0a90bd2060c4818c5fed209aa1add6 SHA-1: 9d39d15aae2417e3207fac1faf879d7228d64b72 SHA-256: f5a30e909c616b0a83248741cf51c92b95f131fe788c5191de4ea69e08d56374
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm. One of the primary links, 'https://ttraff.com/pify?keyword=unamused+emoji+text', is flagged as a malicious redirector. This suggests the document's purpose is to lure users to malicious infrastructure through a deceptive link farm. No scripts were extracted from this sample.

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=unamused+emoji+text
    • http://files.queenofwandstarot.net/uploads/1/3/0/9/130969497/gipaduxulaki-fitugisog-xawomabadepotit.pdf
    • http://files.westernspringsbuilder.com/uploads/1/3/1/6/131606125/wogizi_zulanaruxav_wigep.pdf
    • http://files.socialmultiplicity.com/uploads/1/3/2/3/132302928/4ac14a68.pdf
    • http://files.mycolorpainting.com/uploads/1/3/0/8/130814594/dadobof.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66083684812.pdf
    • https://cdn.shopify.com/s/files/1/0431/6643/3435/files/ropoxewop.pdf
    • https://cdn.shopify.com/s/files/1/0434/5207/2086/files/57093409315.pdf
    • https://cdn.shopify.com/s/files/1/0429/9728/5027/files/27333959727.pdf
    • https://cdn.shopify.com/s/files/1/0429/5848/7703/files/dijolujinodozugenofutajim.pdf
    • https://cdn.shopify.com/s/files/1/0432/5729/9097/files/jeketeg.pdf
    • https://cdn.shopify.com/s/files/1/0438/5928/0022/files/37275278710.pdf
    • https://cdn.shopify.com/s/files/1/0439/5122/7038/files/zomujuwo.pdf
    • https://cdn.shopify.com/s/files/1/0434/6953/7432/files/62209140777.pdf
    • https://cdn.shopify.com/s/files/1/0430/4207/8877/files/nitom.pdf
    • https://cdn.shopify.com/s/files/1/0432/7977/7952/files/bututivonudixo.pdf
    • https://cdn.shopify.com/s/files/1/0429/0553/4620/files/mimegod.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/
    • https://cdn.shopify.com/s/files/1/0439/5122

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a44.bin
d243c6a45394dee3e899402e4ad843b6ac869a8f6056de6f8a27751acaf068be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A44 4980 bytes
font_01_sfnt_off00007b31.bin
b6a666b753ed4a9c850e93dadb0604e359029dfd94f241788cf7e559fc1312fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B31 10412 bytes

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