Malicious PDF — malware analysis report

Static analysis result for SHA-256 313346106084404f…

MALICIOUS

PDF

54.4 KB Created: 2020-08-15 12:33:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 513d3d3b460f7c437f5c6595bc636f8a SHA-1: f63b4277bd2dd4e07c74701f7f65a23ea9dc624d SHA-256: 313346106084404f69d1aa1ab0a248a74b77b5990778ca26628f7ce78984ad15
120 Risk Score

Malware Insights

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

The PDF file contains a lure related to the T20 World Cup schedule, but analysis reveals it is primarily a link farm. A critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/wb?keyword=t20%20world%20cup%202019%20schedule%20time%20table%20pdf'. Additionally, numerous SEO-optimized PDF links hosted on cdn.shopify.com and other domains were found, suggesting a traffic generation or SEO poisoning scheme. The file's purpose appears to be directing users to malicious infrastructure or potentially distributing further malware through these links.

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/wb?keyword=t20%20world%20cup%202019%20schedule%20time%20table%20pdf
    • http://ludop.hideawaybar-grill.com/uploads/1/3/1/3/131398140/449a3c33bbe.pdf
    • http://files.parisaforoutan.net/uploads/1/3/0/9/130969330/gudobolufosenun-sewazasutevekes.pdf
    • http://files.eumckids.com/uploads/1/3/1/4/131438397/kofedegawaf.pdf
    • https://cdn.shopify.com/s/files/1/0434/6714/5366/files/fuliviwi.pdf
    • https://cdn.shopify.com/s/files/1/0433/2702/9400/files/xekixebadelakukorupureju.pdf
    • https://cdn.shopify.com/s/files/1/0432/4828/7904/files/xilasewogiku.pdf
    • https://cdn.shopify.com/s/files/1/0430/0088/9507/files/74303014445.pdf
    • https://cdn.shopify.com/s/files/1/0434/6426/1797/files/bamoxe.pdf
    • https://cdn.shopify.com/s/files/1/0437/6713/6408/files/comment_associer_des_documents.pdf
    • https://cdn.shopify.com/s/files/1/0428/5172/9574/files/lugudamule.pdf
    • https://cdn.shopify.com/s/files/1/0436/1938/5504/files/72143728411.pdf
    • https://cdn.shopify.com/s/files/1/0430/9755/5108/files/the_witcher_bautismo_de_fuego.pdf
    • https://cdn.shopify.com/s/files/1/0430/7920/5018/files/mexegegujuf.pdf
    • https://cdn.shopify.com/s/files/1/0439/1777/0920/files/jordan_belfort_book_way_of_the_wolf.pdf
    • https://cdn.shopify.com/s/files/1/0432/5041/7827/files/dabafabanif.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_off0000948d.bin
511b7d54d7b127b61e18b90c44596380159bdd75b12e5d1a21c93c158febc2d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x948D 6060 bytes
font_01_sfnt_off0000a90a.bin
6a652681f6fc6cc0cab4827371abf58b69ef2836bf8e042866751e0c72d654ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA90A 10488 bytes

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