Malicious PDF — malware analysis report

Static analysis result for SHA-256 2565d4f52ea2b88e…

MALICIOUS

PDF

46.4 KB Created: 2020-08-01 14:47:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b8125bd0355b4f0c102f62a617dd0751 SHA-1: 31bfc3490d6a2e3502dc2aea69bb45920304243c SHA-256: 2565d4f52ea2b88e81d111c3a36e37d03fdb56871ce60e5127ef036c0f789ee9
150 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=i+am+missing+you'. The document body, though heavily obfuscated, contains this URL and other Shopify-hosted PDF links, suggesting a link farm or redirection attempt. The primary intent appears to be directing the user to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=i+am+missing+you
    • http://files.hhupholstery.com/uploads/1/3/0/7/130776536/8911464.pdf
    • http://files.professortrimble.com/uploads/1/3/0/9/130969356/752271.pdf
    • http://files.robertschrackdesigns.com/uploads/1/3/1/6/131636954/gisod_fizerezupu_kiruwisosaxis_xopafatokeketep.pdf
    • https://cdn.shopify.com/s/files/1/0433/3741/6869/files/48918669372.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39646295774.pdf
    • https://cdn.shopify.com/s/files/1/0429/5196/6873/files/surifelerofe.pdf
    • https://cdn.shopify.com/s/files/1/0429/2077/1750/files/visifivilonusij.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94260126358.pdf
    • https://cdn.shopify.com/s/files/1/0432/0998/2107/files/welalarajetod.pdf
    • https://cdn.shopify.com/s/files/1/0433/7631/2471/files/64976827837.pdf
    • https://cdn.shopify.com/s/files/1/0432/6083/8050/files/5128601201.pdf
    • https://cdn.shopify.com/s/files/1/0437/2099/9064/files/4777132454.pdf
    • https://cdn.shopify.com/s/files/1/0430/6187/0741/files/dolebadanegemunamowovozer.pdf
    • https://cdn.shopify.com/s/files/1/0434/0806/4677/files/rulunabemigeguke.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_off00007a1d.bin
ebc8d9f33c7d24c6df99cbf1d7b7736c3154265f23cf031757f58316f475851a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A1D 4916 bytes
font_01_sfnt_off00008ad4.bin
a8d8f46a88d8eeaccbe9f65efda62adf43095089f9f30b1a47e3dfed7f3e6498		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AD4 10208 bytes

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