Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7181f36fa0a1303…

MALICIOUS

PDF

51.6 KB Created: 2020-09-05 04:20:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4d871e858a6633de557773c527b022ed SHA-1: 1b3ac901daef0b2f29136de3a900eaaf41d74cae SHA-256: d7181f36fa0a130320f66e8a3961c9c9ffb976eef69bd92331f1f4aad1bf0795
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=baby+status+video+malayalam'. This URL is likely used to direct users to malicious content. The document body, though heavily obfuscated, also contains this URL, reinforcing its role as a lure. The file also contains a large number of external PDF links, many hosted on Shopify, which is indicative of a link farm used for SEO poisoning or to obscure the final malicious destination.

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.me/wix?keyword=baby+status+video+malayalam
    • https://cdn.shopify.com/s/files/1/0431/1344/7577/files/how_to_get_inaros_warframe.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/baxumedufimoval.pdf
    • https://cdn.shopify.com/s/files/1/0431/4251/2802/files/difference_between_remote_sensing_and_photogrammetry.pdf
    • https://cdn.shopify.com/s/files/1/0434/0226/4741/files/honda_pilot_2018.pdf
    • https://static.usrfiles.com/ugd/dd6616_07583ecf097c4940b8b7d757c2d0663a.pdf
    • https://static.usrfiles.com/ugd/fef806_c0d53bc92ee64cd8a93f2d88a6970899.pdf
    • https://static.usrfiles.com/ugd/b8c837_8dc00927f9bc495dbb3696621fa70c90.pdf
    • https://cdn.shopify.com/s/files/1/0437/9587/3949/files/c_redistributable_64_bit.pdf
    • https://cdn.shopify.com/s/files/1/0432/3606/5438/files/oxford_bookworms_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0435/8173/5073/files/aztecs_history.pdf
    • https://static.usrfiles.com/ugd/8c2e83_f4be818a203a4b479e3a5ec6f8947030.pdf
    • https://static.usrfiles.com/ugd/83f04e_254f85963f41434b8fb4e519fe679834.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_off0000811e.bin
88ed2ae15e2f9106aea5e4ddf0c42d668917abb7778a3f1c57870309e9dfd88b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x811E 5004 bytes
font_01_sfnt_off0000922c.bin
288572ba71c8d76ceb65ec0a2d2085bdc43b78439a57748edd26ca6796f2eff0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x922C 9620 bytes
font_02_sfnt_off0000b308.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB308 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.