Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2e41735ffb2425d…

MALICIOUS

PDF

48.6 KB Created: 2020-08-01 20:58:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62f8473aabff876273db9c13bba3fab4 SHA-1: 23881efa48fb675c380ef53699dcd0cb3d419578 SHA-256: e2e41735ffb2425da835bc5da84f28a4d17f6149ed5a427ddf1b7bf8bb274ff3
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. This suggests the document is designed as a link farm or SEO spam to obscure malicious destinations. The primary attack pattern involves luring users through these links, with the 'ttraff.com' URL being the most suspicious IOC.

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=best+rogue+leveling+spec
    • http://files.risawilliams.com/uploads/1/3/0/8/130814644/poxozokugogene_lutogoriwexibul_tonobar_gisemala.pdf
    • http://files.easytoquit.org/uploads/1/3/2/7/132740930/1279108.pdf
    • http://files.permezone.com/uploads/1/3/1/3/131380845/xelasabinedeti.pdf
    • http://files.robertbiederman.com/uploads/1/3/0/8/130874253/rulasurodaravur.pdf
    • https://cdn.shop
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66491839223.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7074967355.pdf
    • https://cdn.shopify.com/s/files/1/0430/4447/0945/files/81787524565.pdf
    • https://cdn.shopify.com/s/files/1/0432/8675/7536/files/tenubulepunuv.pdf
    • https://cdn.shopify.com/s/files/1/0435/6086/1845/files/43691604849.pdf
    • https://cdn.shopify.com/s/files/1/0431/4539/6384/files/xodosekowuniz.pdf
    • https://cdn.shopify.com/s/files/1/0430/4273/4237/files/nufififukusekev.pdf
    • https://cdn.shopify.com/s/files/1/0437/6012/4061/files/25209043159.pdf
    • https://cdn.shopify.com/s/files/1/0430/8316/9943/files/dikinubafozanisolut.pdf
    • https://cdn.shopify.com/s/files/1/0427/6797/4556/files/guvuw.pdf
    • https://cdn.shopify.com/s/files/1/0440/7951/3752/files/fonegonezuvaxosubog.pdf
    • https://cdn.shopify.com/s/files/1/0430/0872/1045/files/kurod.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006792.bin
cbb52481ce94e16f1aa7c1e5556943e0858c32639ae52c58d7d3596933ba349e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6792 3016 bytes
font_01_sfnt_off0000724e.bin
16aada539a4b210c97bf3fb0f7b4d93a607ea31adfe981b99db70e61ad4f6fdc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x724E 4884 bytes
font_02_sfnt_off00008309.bin
c1ccaf989210ebad3e74200f2afc6f5ebcabbfc676b93569ecaeec6edeea2302		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8309 10416 bytes
font_03_sfnt_off0000a6ab.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA6AB 4324 bytes

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