Malicious PDF — malware analysis report

Static analysis result for SHA-256 f37a501f31bfeab0…

MALICIOUS

PDF

48.4 KB Created: 2020-08-25 04:58:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41c129501bc0e6c01f84aa29b6aec141 SHA-1: 0a8b1af068af708af819aefe74567ddd5376fd15 SHA-256: f37a501f31bfeab0517cb2bab28a9aa00c31ab320dceda3721698cbd66e13d8b
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=kodiak+annual+weather+report'. Additionally, it exhibits a PDF link farm behavior, with 22 external PDF links, many hosted on Shopify. The document body, though heavily corrupted, contains the malicious URL and appears to be a lure related to a 'Kodiak annual weather report'. 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.ru/pify?keyword=kodiak+annual+weather+report
    • http://files.good-chi-fengshui.com/uploads/1/3/1/6/131606121/9993728.pdf
    • http://tuvoji.glamourouskitty.com/uploads/1/3/2/6/132681394/zuxovaga.pdf
    • https://cdn.shopify.com/s/files/1/0427/5165/6102/files/3705432958.pdf
    • https://cdn.shopify.com/s/files/1/0439/6164/7262/files/42169971528.pdf
    • https://cdn.shopify.com/s/files/1/0433/0032/3496/files/2015_chevrolet_silverado_owners_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/5147/5351/files/36849288843.pdf
    • https://cdn.shopify.com/s/files/1/0436/7345/2697/files/86869038907.pdf
    • https://cdn.shopify.com/s/files/1/0433/7106/9594/files/damodaran_investment_valuation_3rd_edition_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/6783/4517/files/secondary_cardinal_vowels.pdf
    • https://cdn.shopify.com/s/files/1/0434/3844/0604/files/77695924355.pdf
    • https://cdn.shopify.com/s/files/1/0435/4431/4024/files/deniwovi.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_off00007f65.bin
24e1d9b67ba09392ca3c275830182b18b8d98071d654a5491126b389459f5e30		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F65 4996 bytes
font_01_sfnt_off0000906a.bin
50132f26cb1620851c55de78a4859b52adbe786360289316d91bf89ae8420112		 pdf-font-stream PDF embedded font (sfnt) at offset 0x906A 10660 bytes

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