Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a33bcd8864896a3…

MALICIOUS

PDF

41.9 KB Created: 2020-08-22 19:06:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 480ea4e8f03e139be8dfc3f501d5a7f9 SHA-1: 8d353185221ed1f6c8cdca139a4fbc5c937ad50a SHA-256: 4a33bcd8864896a3ca6d810d45a3be5f063069be4c626f9843c9d58f327232a5
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, identified as a PDF link farm. One of these links, 'https://ttraff.ru/pify?keyword=buyers+edge+platform+lake+worth+fl', is flagged as a malicious redirector. The document body, though heavily corrupted, contains fragments that suggest a lure related to a 'buyers edge platform'. The primary attack pattern involves leveraging these numerous links for SEO manipulation or to redirect users to malicious sites.

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=buyers+edge+platform+lake+worth+fl
    • http://zusofago.mdscarpets.com/uploads/1/3/1/3/131384429/40481.pdf
    • http://files.gazettemediagroup.com/uploads/1/3/1/4/131453843/e931ecd8cd7eb2.pdf
    • http://files.oliviersbreads.com/uploads/1/3/0/8/130813988/2ac932c8669cf05.pdf
    • http://files.ambersballoons.com/uploads/1/3/1/3/131381414/winexozefawusat-koxekomiv-wijesulad.pdf
    • https://cdn.shopify.com/s/files/1/0432/0323/1908/files/96675608490.pdf
    • https://cdn.shopify.com/s/files/1/0432/7741/8656/files/9215210039.pdf
    • https://cdn.shopify.com/s/files/1/0431/7655/8746/files/muxamurirawodov.pdf
    • https://cdn.shopify.com/s/files/1/0431/5742/2229/files/mahou_sensou_season_2.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dejozetopugewafapo.pdf
    • https://cdn.shopify.com/s/files/1/0435/3140/3413/files/bewinebofijes.pdf
    • https://cdn.shopify.com/s/files/1/0435/6364/7137/files/39023373851.pdf
    • https://cdn.shopify.com/s/files/1/0436/5529/9237/files/7_phases_of_cardiac_cycle.pdf
    • https://cdn.shopify.com/s/files/1/0431/9461/3924/files/xejuboxolala.pdf
    • https://cdn.shopify.com/s/files/1/0431/5650/4744/files/80913513014.pdf
    • https://cdn.shopify.com/s/files/1/0433/2804/5209/files/jagakabida.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_off000063bf.bin
466f4e4b2fe2313aafff0de117fb426d2ac2fe0099d24db2d2670904b996ead1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63BF 5760 bytes
font_01_sfnt_off0000774f.bin
78bb6e1c48c2fdc85713ddc53b15471cd1eebc0988a23c14cabb34d9aa592e86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x774F 10356 bytes

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