Malicious PDF — malware analysis report

Static analysis result for SHA-256 85feeda0aed8bcf1…

MALICIOUS

PDF

65.0 KB Created: 2020-08-15 02:23:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 75f0f933d11b20c387e2713355f2d631 SHA-1: 17ff8e58a9e5f975084744864dcd2282aee290a8 SHA-256: 85feeda0aed8bcf10002cd4d7324d450b8046a30e79d28d7084666850ccee354
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm pointing to a malicious redirector. The primary redirector URL is https://ttraff.com/pify?keyword=mhw+charge+blade+guide+xbox, which likely leads to a malicious payload. The document body itself is heavily obfuscated and contains numerous other links, including one to a Shopify domain, suggesting a broad distribution or SEO poisoning tactic.

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=mhw+charge+blade+guide+xbox
    • http://files.blueskyaircraftmarketing.com/uploads/1/3/2/6/132682930/af71cf139.pdf
    • http://files.twistedrootswood.com/uploads/1/3/2/6/132681337/zumagitilapo-zogodizove.pdf
    • http://files.heartpieces.net/uploads/1/3/1/3/131379749/3776242.pdf
    • http://files.improvementscientist.com/uploads/1/3/1/4/131437064/1344637.pdf
    • https://cdn.shopify.com/s/files/1/0433/3853/0965/files/gta_san_andreas_hot_coffe_mode.pdf
    • https://cdn.shopify.com/s/files/1/0436/1509/2893/files/77214191713.pdf
    • https://cdn.shopify.com/s/files/1/0432/5769/2320/files/increase_size_of_field_drupal.pdf
    • https://cdn.shopify.com/s/files/1/0448/6791/1842/files/sing_hallelujah_to_the_lord_partition.pdf
    • https://cdn.shopify.com/s/files/1/0433/5845/3918/files/7742166182.pdf
    • https://cdn.shopify.com/s/files/1/0432/8990/3264/files/11194489263.pdf
    • https://cdn.shopify.com/s/files/1/0434/0976/8600/files/97998647313.pdf
    • https://cdn.shopify.com/s/files/1/0432/9085/3541/files/juragurufefokiku.pdf
    • https://cdn.shopify.com/s/files/1/0429/5039/4019/files/33690595362.pdf
    • https://cdn.shopify.com/s/files/1/0439/4795/0248/files/62451138185.pdf
    • https://cdn.shopify.com/s/files/1/0433/8394/7427/files/15646654363.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000abce.bin
d7e4dd33292bb99caf6092e2b755e76c3f497967e559fb91c66a4d2d6b71a008		 pdf-font-stream PDF embedded font (sfnt) at offset 0xABCE 5328 bytes
font_01_sfnt_off0000bdfe.bin
1b0e0076959cbf302595dbf928a65a48f39fbac153db16024742a42d92e8a851		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBDFE 10420 bytes
font_02_sfnt_off0000e1cd.bin
3d0a3f6506cb21a4bc8eecbb41b7ad6d3ba19434dcb294230017a76c249d9b75		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE1CD 16196 bytes

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