Malicious PDF — malware analysis report

Static analysis result for SHA-256 da84ef9a26645515…

MALICIOUS

PDF

43.0 KB Created: 2020-08-04 00:51:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e3ad36111f5fd34661c336621f9e76e SHA-1: 0c9c30ff380b1a5e1727f5ed2b53ac8c9c2c4e41 SHA-256: da84ef9a266455157524de5b2b0d62f21f88e32987f5b8b3b9de8e9a7fc0c706
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, with the primary one directing to a known malicious redirector. The document body and embedded links suggest a lure to a "live betting strategies pdf" page, likely intended to lead users to further malicious content or phishing sites. No scripts were extracted, and the primary malicious activity is the redirection via embedded 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.ru/pify?keyword=live+betting+strategies+pdf
    • http://files.kunzeartgallery.com/uploads/1/3/0/7/130776123/dexeliwedakadinomutu.pdf
    • http://gubox.blissfulcounselling.com/uploads/1/3/0/7/130775795/ce26323bf6f.pdf
    • http://files.csnons.com/uploads/1/3/2/7/132740515/ziwuxeboziligeg_kamip_wesorenifuxa_fodefezomuxamob.pdf
    • https://cdn.shopify.com/s/files/1/0430/5590/6970/files/gozufoluwa.pdf
    • https://cdn.shopify.com/s/files/1/0440/6516/1366/files/riwugiro.pdf
    • https://cdn.shopify.com/s/files/1/0440/3511/3110/files/84785948743.pdf
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/dijoriwikumemeg.pdf
    • https://cdn.shopify.com/s/files/1/0429/6795/7658/files/tavixawejipenawupasedawaf.pdf
    • https://cdn.shopify.com/s/files/1/0437/6241/7825/files/sekelozar.pdf
    • https://cdn.shopify.com/s/files/1/0434/8618/3576/files/bawaduwulekomupipuzoto.pdf
    • https://cdn.shopify.com/s/files/1/0431/7931/1253/files/69406424205.pdf
    • https://cdn.shopify.com/s/files/1/0431/4375/7985/files/ruwikoxovafexiluwan.pdf
    • https://cdn.shopify.com/s/files/1/0434/8349/6600/files/15399089050.pdf
    • https://cdn.shopify.com/s/files/1/0430/7927/0549/files/40451312227.pdf
    • https://cdn.shopify.com/s/files/1/0432/7692/7134/files/705341030.pdf
    • https://cdn.shopify.com/s/files/1/0431/9779/2411/files/disomaxaduvuzoliz.pdf
    • https://cdn.shopify.com/s/files/1/0437/6949/5713/files/walujobamomatozimijatu.pdf
    • https://cdn.shopify.com/s/files/1/0428/8937/9993/files/2196736111.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_off0000699c.bin
97339fa4d74a19b682cfce5b4e10a08f889695af444362e987b38f8c175ab60a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x699C 5316 bytes
font_01_sfnt_off00007bcc.bin
083288d8bb227ba12a02d403415d3cdd89c17511e5a1e400042280587bbe9b27		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BCC 10280 bytes

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