Malicious PDF — malware analysis report

Static analysis result for SHA-256 296058a714411cc8…

MALICIOUS

PDF

39.1 KB Created: 2020-08-18 17:18:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6f8cf9d2ca46c16f1a66379caab24826 SHA-1: ee69c17a2fde0920e456c2e8820a2ca7a97f6848 SHA-256: 296058a714411cc89761f851cbb79b75e78f9e31627453f6b20f11f4464a973b
120 Risk Score

Malware Insights

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

The PDF document contains a link to a known malicious redirector, ttraff.com, which is likely used to funnel victims to a phishing or malware distribution site. The document body presents a login prompt, suggesting a credential harvesting or social engineering attack. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm designed to improve search engine ranking for 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=quintiles+get+with+the+guidelines+login
    • http://files.concretejunglefarms.com.au/uploads/1/3/0/9/130969404/kujozinepu_xugedokoti_lasisipubifiba.pdf
    • http://files.lavendershop.org/uploads/1/3/1/3/131379615/1453838.pdf
    • http://files.centertowndfw.com/uploads/1/3/0/7/130738903/1040508.pdf
    • http://gudozig.northwestpermaculture.org/uploads/1/3/1/3/131379636/zubelitoragemen.pdf
    • https://cdn.shopify.com/s/files/1/0439/0112/4760/files/2716945037.pdf
    • https://cdn.shopify.com/s/files/1/0429/7395/4204/files/93169009073.pdf
    • https://cdn.shopify.com/s/files/1/0432/9259/0236/files/atomic_structure_class_8.pdf
    • https://cdn.shopify.com/s/files/1/0434/5344/8358/files/hd_wallpapers_1080p_for_pc.pdf
    • https://cdn.shopify.com/s/files/1/0428/7011/2423/files/types_of_ostomy.pdf
    • https://cdn.shopify.com/s/files/1/0437/2194/9335/files/bloodborne_music_box.pdf
    • https://cdn.shopify.com/s/files/1/0433/7300/2906/files/tumaxe.pdf
    • https://cdn.shopify.com/s/files/1/0429/6117/4687/files/how_to_rename_a_file_in_unix.pdf
    • https://cdn.shopify.com/s/files/1/0437/0097/7816/files/13132378502.pdf
    • https://cdn.shopify.com/s/files/1/0433/1080/9256/files/pamomonawamekavinefilu.pdf
    • https://cdn.shopify.com/s/files/1/0432/6657/2443/files/wipoterotijakodesabod.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58933331969.pdf
    • https://cdn.shopify.com/s/files/1/0432/9557/2126/files/xopivafenevisenavina.pdf
    • https://cdn.shopify.com/s/files/1/0441/4488/5912/files/18400357970.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_off00005934.bin
52c63d267edd4f3a77d7bec479d7ff6742e33124e880ece6670d91e3b233bebb
pdf-font-stream PDF embedded font (sfnt) at offset 0x5934 4936 bytes
font_01_sfnt_off00006a0c.bin
10009904c8ba9c51638bce48ea2596a66c08589d6544830476607d12a83555ff
pdf-font-stream PDF embedded font (sfnt) at offset 0x6A0C 10948 bytes