Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd157980a476b966…

MALICIOUS

PDF

40.1 KB Created: 2020-08-19 04:59:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5c720cb8633482d61bf55d840b283c9e SHA-1: fbf4108c00d37c9a95cf289cbafaf40116e63edb SHA-256: dd157980a476b9661bb9c5af4d34860fe9baa142d8aaedb66c48d7a989711de1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The document body itself contains the malicious URL and other links, suggesting an attempt to lure the user to external content. No scripts were extracted, but the primary attack vector appears to be the malicious redirection.

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/pify?keyword=lenticular+lens+sheet+in+chennai
    • http://files.lakotawesttheatre.net/uploads/1/3/1/0/131070336/roludogo.pdf
    • http://files.meadrdmardigras.org/uploads/1/3/1/4/131437283/4987958.pdf
    • https://cdn.shopify.com/s/files/1/0429/4790/3644/files/how_to_mod_7_days_to_die.pdf
    • https://cdn.shopify.com/s/files/1/0438/1320/8226/files/bugopemuzu.pdf
    • https://cdn.shopify.com/s/files/1/0434/5459/5224/files/foxigudibinizinukibef.pdf
    • https://cdn.shopify.com/s/files/1/0434/2956/0486/files/benim_hocam_matematik_zml_soru_bankas.pdf
    • https://cdn.shopify.com/s/files/1/0434/9932/3558/files/25669076532.pdf
    • https://cdn.shopify.com/s/files/1/0431/8206/3777/files/jenavarulidobatixoji.pdf
    • https://cdn.shopify.com/s/files/1/0430/4686/3005/files/bokemegilezitakozozalaled.pdf
    • https://cdn.shopify.com/s/files/1/0434/9270/4408/files/82629247981.pdf
    • https://cdn.shopify.com/s/files/1/0438/2926/4546/files/bofitazivulagazijikidon.pdf
    • https://cdn.shopify.com/s/files/1/0432/3350/9535/files/snow_on_tha_bluff_full_movie.pdf
    • https://cdn.shopify.com/s/files/1/0434/1966/4540/files/71993767152.pdf
    • https://cdn.shopify.com/s/files/1/0429/1916/6105/files/57957116508.pdf
    • https://cdn.shopify.com/s/files/1/0430/9037/8903/files/pufosonutumap.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1261535930.pdf
    • https://cdn.shopify.com/s/files/1/0430/9526/1348/files/boerhavia_erecta.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_off00006082.bin
e25ff9af996b43525a916a3df38ee8c05d8fd043a3102394b59350cb656f90d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6082 4828 bytes
font_01_sfnt_off000070e1.bin
d856a85732b959ac0d7e3732b8b9d8dd3791cc98f3b254b605947f47a6ef78a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70E1 10184 bytes

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