Malicious PDF — malware analysis report

Static analysis result for SHA-256 a69461a95b2db1c2…

MALICIOUS

PDF

43.6 KB Created: 2020-08-23 20:56:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7c648affc0b49a4e7c5be94c1136b7b0 SHA-1: 6830addc07edc9e4a557286f158df1fcb2497c9d SHA-256: a69461a95b2db1c2a611b44207a272b9888e4b3a5e8a1afb4f8679194dcb8d76
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, which is designed to lure users to malicious content. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The PDF also hosts a large number of external links, many pointing to Shopify, which is a common tactic for SEO poisoning to improve search engine ranking for malicious content. 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=android+studio+linux+command+line
    • http://files.uogcbssc.ca/uploads/1/3/0/8/130813757/meguzad_bipasoguraj.pdf
    • http://files.yourneighborpt.com/uploads/1/3/0/8/130874205/jogogesorabutonu.pdf
    • http://files.cathyduncanart.com/uploads/1/3/2/6/132681880/jufigigufemujov-resumugizulu-tipitisanav-lovuwawosoxonu.pdf
    • http://banakomos.biblesage.com/uploads/1/3/0/8/130874133/fogomopibixetim_pafoveze_kobev_joredi.pdf
    • http://wotit.lionenvironmental.com/uploads/1/3/1/6/131637308/kirakubimisosabit.pdf
    • http://files.cathyduncanart.com/uploads/1/3/2/6/132681880/jufigigufemujov-resumugizulu-tipitisanav-l
    • https://cdn.shopify.com/s/files/1/0432/0401/8336/files/93537759453.pdf
    • https://cdn.shopify.com/s/files/1/0437/3892/3169/files/womens_chunky_platform_shoes_uk.pdf
    • https://cdn.shopify.com/s/files/1/0430/1576/6177/files/bbc1_programme_guide_today.pdf
    • https://cdn.shopify.com/s/files/1/0450/2195/4206/files/oregon_wine_country_map.pdf
    • https://cdn.shopify.com/s/files/1/0434/0737/6542/files/bamagetiwibo.pdf
    • https://cdn.shopify.com/s/files/1/0437/8047/2984/files/biology_book_for_class_10_punjab_board.pdf
    • https://cdn.shopify.com/s/files/1/0432/7361/7576/files/gudoropasufirozipe.pdf
    • https://cdn.shopify.com/s/files/1/0438/3778/4224/files/paulo_coelho_libros_el_peregrino.pdf
    • https://cdn.shopify.com/s/files/1/0437/1572/3414/files/32912547186.pdf
    • https://cdn.shopify.com/s/files/1/0437/4256/0405/files/ford_ranger_door_lock_diagram.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.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_off00006beb.bin
5a14e0de01727c0d9f9b6b68efafb0277945272477fccf5c197ea2436bcefc6f
pdf-font-stream PDF embedded font (sfnt) at offset 0x6BEB 5144 bytes
font_01_sfnt_off00007d47.bin
2759354b42d3a89ee78b8375d818e00331373a88082426eea25586164e4e056a
pdf-font-stream PDF embedded font (sfnt) at offset 0x7D47 10616 bytes