Malicious PDF — malware analysis report

Static analysis result for SHA-256 30545406d643bda8…

MALICIOUS

PDF

33.0 KB Created: 2020-08-15 08:22:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a5e35c1332c43d1129212777c9e6b83 SHA-1: 8ec4d7b642e0c3ad903eaa17cfecfea5e9aa6fc9 SHA-256: 30545406d643bda85c125c9eaf260107255ca2f5fa9a064e5d8d38b21bfa04fe
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, a common tactic for SEO link farms and phishing. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=fancy+pants+world+1'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect users to malicious infrastructure. No scripts were extracted, limiting further analysis of execution chains.

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.cc/pify?keyword=fancy+pants+world+1
    • http://files.lucasmusicacademy.com/uploads/1/3/1/4/131454102/3505746.pdf
    • https://cdn.shopify.com/s/files/1/0461/3180/6376/files/novebivexapejitifetexinej.pdf
    • https://cdn.shopify.com/s/files/1/0428/4094/8903/files/global_tactical_asset_allocation.pdf
    • https://cdn.shopify.com/s/files/1/0437/7418/1534/files/92938900792.pdf
    • https://cdn.shopify.com/s/files/1/0450/2038/1342/files/english_language_teaching_methods_and_approaches.pdf
    • https://cdn.shopify.com/s/files/1/0427/5906/1670/files/42035111768.pdf
    • https://cdn.shopify.com/s/files/1/0432/8217/0022/files/devi_bhagavatam_telugu_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/4252/9695/files/fisudigesunilefoz.pdf
    • https://cdn.shopify.com/s/files/1/0430/8228/5216/files/41174560114.pdf
    • https://cdn.shopify.com/s/files/1/0432/9373/7110/files/sowugimixadi.pdf
    • https://cdn.shopify.com/s/files/1/0435/9513/7181/files/bollywood_hd_movies_websites_list.pdf
    • https://cdn.shopify.com/s/files/1/0440/7446/7478/files/73998373619.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_off0000438a.bin
b662aebe9048b674b6fe2fb6326ec9fe85456ebbfb36781cdf2eff4f3b2b8037		 pdf-font-stream PDF embedded font (sfnt) at offset 0x438A 5268 bytes
font_01_sfnt_off00005599.bin
eb929b20467ad409293f2289316822356a7cb04cfec1f54d5f8d4ddefba6c7d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5599 9992 bytes

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