Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1becfe1381ff075…

MALICIOUS

PDF

45.1 KB Created: 2020-08-18 13:41:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49b5051e11b2a739369cb8d8f572d5be SHA-1: e7aa7bb6ee5ce1f94ad90a7bf7799a08aff88b66 SHA-256: f1becfe1381ff075f41c5ed538b378b2f0a6eebdc343efdf550eb4022b63f402
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK. The primary malicious URL identified is 'https://ttraff.com/pify?keyword=farm+theme+birthday+sheet+cake', which is likely used to redirect users to malicious content. The document body, though heavily obfuscated, also contains this URL, suggesting it's a core part of the lure.

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=farm+theme+birthday+sheet+cake
    • http://nemowutik.katrina-wilhelm.com/uploads/1/3/1/3/131398428/pinajirirezi.pdf
    • http://files.whisperingwillowsseniordogsanctuary.com/uploads/1/3/1/8/131856232/8188281.pdf
    • http://biwovijo.nitaipriestess.ca/uploads/1/3/0/8/130873853/daefafd52aa.pdf
    • http://kijatejo.carrithefilingfairy.com/uploads/1/3/2/7/132741334/pijabadupanupex.pdf
    • https://cdn.shopify.com/s/files/1/0432/5369/4626/files/.pdf
    • https://cdn.shopify.com/s/files/1/0432/6745/7182/files/18831655194.pdf
    • https://cdn.shopify.com/s/files/1/0427/9864/5404/files/antifibrinolytic_drugs.pdf
    • https://cdn.shopify.com/s/files/1/0435/2134/3647/files/domon.pdf
    • https://cdn.shopify.com/s/files/1/0430/7730/4481/files/unofficial_world_champion_lol.pdf
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/tiduzubez.pdf
    • https://cdn.shopify.com/s/files/1/0432/4635/4594/files/62491646089.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_off00007073.bin
61c9a74cd97a5273dec5a7d5c1fef61cf15def752ba917eb2a746495dda08eab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7073 5408 bytes
font_01_sfnt_off000082b0.bin
b92a42076e25f46c1e3c245197eb627ee0bea3160a5e17c193144f9d88d17fbe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x82B0 10908 bytes

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