Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fddef616bbb03fe…

MALICIOUS

PDF

46.6 KB Created: 2020-08-11 13:45:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ffc915edfb39eaad9a73b24292d784e SHA-1: 56d1efa4965a62ef9fd6d9dd84296664c8d3fd2f SHA-256: 7fddef616bbb03fe0943c60a5086a3fcd335ff881cc585e4fe6af41783e7e850
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=chestionare+redobandire+permis+2020+pdf'. Another critical heuristic indicates a PDF link farm hosted on Shopify domains, suggesting an attempt to manipulate search engine results or distribute multiple malicious documents. The document body contains text related to obtaining a driver's license, likely a lure to entice users to click the malicious link.

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=chestionare+redobandire+permis+2020+pdf
    • http://files.wanderingmusicians.com/uploads/1/3/1/6/131606284/ranigimon.pdf
    • http://wutedi.ozfreedomtechniques.com/uploads/1/3/1/6/131607062/gunalugerefujowitamu.pdf
    • http://files.suzannejohnsonsart.com/uploads/1/3/0/8/130814515/wibolamazuva.pdf
    • https://cdn.shopify.com/s/files/1/0432/8249/7701/files/situpanojop.pdf
    • https://cdn.shopify.com/s/files/1/0428/8885/5718/files/conference_de_bandung.pdf
    • https://cdn.shopify.com/s/files/1/0437/0428/7383/files/kovewipekif.pdf
    • https://cdn.shopify.com/s/files/1/0433/6985/7176/files/fuxafajo.pdf
    • https://cdn.shopify.com/s/files/1/0436/7260/0726/files/japadifikivokomoduzudem.pdf
    • https://cdn.shopify.com/s/files/1/0433/1352/8987/files/6078810955.pdf
    • https://cdn.shopify.com/s/files/1/0432/7381/4182/files/beauty_s_release_anne_roquelaure.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mozesuseb.pdf
    • https://cdn.shopify.com/s/files/1/0433/8014/6343/files/xejubajolujixabezowubinaz.pdf
    • https://cdn.shopify.com/s/files/1/0433/1284/0872/files/pujavesujapato.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/52753076173.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_off00006aae.bin
db44b44e0eb643c595dcbc1bf506880690a9394b90eae8302d825ec24dc8670e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AAE 5472 bytes
font_01_sfnt_off00007d0c.bin
b62096234288a52f1374abac84dfcb29709b658ed8680023f1c5c0f458e6a9c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D0C 10060 bytes
font_02_sfnt_off00009f28.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F28 4324 bytes

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