Malicious PDF — malware analysis report

Static analysis result for SHA-256 b01413bb1a78a6a5…

MALICIOUS

PDF

40.7 KB Created: 2020-08-23 00:32:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 848aa156df33a637e8d341bd54644e84 SHA-1: a4f43be08e8d22edae3c59cf7a638db67ca36cd8 SHA-256: b01413bb1a78a6a58ed764e7ea1d7f7a8cec9819e69d2d1b81f9e53bb6593ed1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF contains a high number of embedded links, many pointing to domains associated with link farms and redirectors, such as 'ttraff.com'. The primary malicious link, 'https://ttraff.com/pify?keyword=platform+bed+frame+with+storage+walmart', is designed to appear as a search result, likely to trick users into clicking it. The presence of numerous PDF links, many hosted on Shopify domains, suggests an attempt to obscure the final malicious destination and potentially leverage legitimate platforms for hosting. No scripts were extracted, but the PDF structure and link analysis strongly indicate a social engineering attack aimed at redirecting users to malicious content.

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=platform+bed+frame+with+storage+walmart
    • http://xawumo.elizabethcyr.com/uploads/1/3/1/4/131453872/nogasasesesan-wezavukesipa.pdf
    • http://files.humancapitalrealisation.com/uploads/1/3/0/8/130814676/lakulu-timafup-nibuf-sujijawe.pdf
    • http://files.yosemitewawonacharter.org/uploads/1/3/0/7/130775657/24e4c0e7c20.pdf
    • http://files.lembahtemir.com/uploads/1/3/1/4/131455024/tuterujifopavomamugi.pdf
    • http://jeniwul.katrimusic.com/uploads/1/3/1/6/131636725/waduwu_fibuvifu.pdf
    • https://cdn.shopify.com/s/files/1/0434/1573/2381/files/tevikifipamilas.pdf
    • https://cdn.shopify.com/s/files/1/0438/8909/8907/files/pabil.pdf
    • https://cdn.shopify.com/s/files/1/0447/2176/6556/files/6870094832.pdf
    • https://cdn.shopify.com/s/files/1/0435/7927/7467/files/13810405020.pdf
    • https://cdn.shopify.com/s/files/1/0434/5731/4977/files/vutevubezowiriweso.pdf
    • https://cdn.shopify.com/s/files/1/0439/4500/1115/files/jiwudelaniguneribib.pdf
    • https://cdn.shopify.com/s/files/1/0450/6284/8664/files/82212273529.pdf
    • https://cdn.shopify.com/s/files/1/0435/9369/5395/files/vetatiwegemozax.pdf
    • https://cdn.shopify.com/s/files/1/0443/2376/6428/files/oxigenoterapia_estetica.pdf
    • https://cdn.shopify.com/s/files/1/0429/6274/7548/files/8737270427.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_off000060da.bin
fd82ca57f1d3768a0f34c604c1f44403c61192fc822a6f21bf4925573123e35e
pdf-font-stream PDF embedded font (sfnt) at offset 0x60DA 5552 bytes
font_01_sfnt_off000073a4.bin
a93e069fcf7054f21cb804d78dfcd4a0de8e69b0d039be019536ce44b90aaa2a
pdf-font-stream PDF embedded font (sfnt) at offset 0x73A4 9996 bytes