Malicious PDF — malware analysis report

Static analysis result for SHA-256 222fb78a96e28589…

MALICIOUS

PDF

41.4 KB Created: 2020-07-31 21:39:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 747d4fe3e1e76d47d43897a8e6f53391 SHA-1: 52dcfdec9b448a9810c34b8a62402aea5293dd92 SHA-256: 222fb78a96e28589b6ad61f1b2c3b639fb70d0002e7d89f2b8c285fc21a2f7a7
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=waves+mercury+torrent', suggesting a lure for users seeking torrents. The presence of a link farm further indicates an attempt to distribute malicious content or traffic.

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.cc/pify?keyword=waves+mercury+torrent
    • http://files.steffenhurka.com/uploads/1/3/2/6/132682790/540499.pdf
    • http://files.bridgeyoungadults.com/uploads/1/3/1/6/131636625/2027955.pdf
    • http://files.blackvegandiaries.com/uploads/1/3/0/7/130776222/fowopu.pdf
    • https://cdn.shopify.com/s/files/1/0430/7795/9833/files/mezokejazuwe.pdf
    • https://cdn.shopify.com/s/files/1/0433/7244/5846/files/75830935169.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30617095305.pdf
    • https://cdn.shopify.com/s/files/1/0428/6945/7063/files/3877394312.pdf
    • https://cdn.shopify.com/s/files/1/0433/0638/5558/files/99780312578.pdf
    • https://cdn.shopify.com/s/files/1/0436/2056/5156/files/76456362949.pdf
    • https://cdn.shopify.com/s/files/1/0436/0372/2402/files/36526905347.pdf
    • https://cdn.shopify.com/s/files/1/0431/6682/6656/files/bedidufawov.pdf
    • https://cdn.shopify.com/s/files/1/0430/3486/9921/files/27430723366.pdf
    • https://cdn.shopify.com/s/files/1/0431/5840/5274/files/mezesurek.pdf
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/22297533161.pdf
    • https://cdn.shopify.com/s/files/1/0427/9074/8316/files/nubefaro.pdf
    • https://cdn.shopify.com/s/files/1/0432/2826/6654/files/kebezesawonokutuk.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_off000054d7.bin
de6aacb5a55f55b98bf3ae384f96a51051c900e5a59c241f5198d539ce1a3af5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54D7 6168 bytes
font_01_sfnt_off00006477.bin
4384366cf9e54cb2e1f10138abc885401529eff340f4ca3ab6b94c7bf8505f13		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6477 5088 bytes
font_02_sfnt_off000075c0.bin
03e8d38d049571dc4f42b101b7df20653c0dd2fc126c2a8e529a7b0e6876de2f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75C0 10148 bytes

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