Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0606e0f07d5e593…

MALICIOUS

PDF

42.6 KB Created: 2020-08-06 06:23:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b8b2ec9c88a15e7f98dbbc4561ddb4b SHA-1: 0776ed4cd27eb99c8cd079a00a5fadedf23f5d7b SHA-256: f0606e0f07d5e593dae4aed1524cd1b2eb87c2d896d861e6b67c5f7aea0184f9
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify, but the primary malicious URL is the redirector. The document body, though partially corrupted, contains the title 'Ikea in china case study pdf' and the malicious URL, suggesting a lure. No scripts were extracted, but the presence of a malicious redirector indicates an attempt to lead the user to a harmful 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.ru/pify?keyword=ikea+in+china+case+study+pdf
    • http://madegof.northcountrydrafthorseclub.org/uploads/1/3/2/7/132710712/mivodoke.pdf
    • http://files.teacakeandgaming.com/uploads/1/3/0/7/130739712/6938523.pdf
    • http://files.hmjones.net/uploads/1/3/1/0/131071043/womivo.pdf
    • https://cdn.shopify.com/s/files/1/0437/4996/5985/files/13402648175.pdf
    • https://cdn.shopify.com/s/files/1/0431/5653/7505/files/revit_architecture_tutorials.pdf
    • https://cdn.shopify.com/s/files/1/0435/7003/6904/files/the_marshall_mathers_lp_2_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/8601/8712/files/43963239689.pdf
    • https://cdn.shopify.com/s/files/1/0432/8436/5476/files/4391980830.pdf
    • https://cdn.shopify.com/s/files/1/0434/9784/8996/files/91427043382.pdf
    • https://cdn.shopify.com/s/files/1/0429/5848/7703/files/icao_annex_14_volume_2.pdf
    • https://cdn.shopify.com/s/files/1/0433/5874/8837/files/21803407052.pdf
    • https://cdn.shopify.com/s/files/1/0433/9993/8211/files/36531118313.pdf
    • https://cdn.shopify.com/s/files/1/0432/2492/4319/files/30310260703.pdf
    • https://cdn.shopify.com/s/files/1/0431/0279/7986/files/zepogikiviwafaraz.pdf
    • https://cdn.shopify.com/s/files/1/0431/4241/4493/files/tetobixajozovu.pdf
    • https://cdn.shopify.com/s/files/1/0438/2133/4688/files/50980430899.pdf
    • https://cdn.shopify.com/s/files/1/0433/4754/2175/files/kivasiwovugabof.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_off00006962.bin
e98ea8aa88cef225dc5662a490277add10294dcd7b285f16e925c08c9f7c58f3
pdf-font-stream PDF embedded font (sfnt) at offset 0x6962 5216 bytes
font_01_sfnt_off00007b31.bin
d732c18e577711224e286739360eb5453eaa8d91dee731ce4079050739efcb8a
pdf-font-stream PDF embedded font (sfnt) at offset 0x7B31 10072 bytes