Malicious PDF — malware analysis report

Static analysis result for SHA-256 af54d42a1c02eb3b…

MALICIOUS

PDF

39.9 KB Created: 2020-08-25 09:49:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3bd04b472478b4ea3433fe10604e1e26 SHA-1: 157e8152b306134fcee7e1d36dfaba5c2a86cb5b SHA-256: af54d42a1c02eb3b1e0e3054ca65390e4c744a00d1fba720fda7f2c670fea6fc
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a mass of external links, including a critical redirector to 'ttraff.com' disguised as an 'informative meeting template'. This suggests a phishing or scam attempt to redirect users to malicious content. No scripts were extracted, limiting further analysis of the payload delivery mechanism.

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=informative+meeting+template
    • http://mubapi.ashaniketancalicutnandhibazar.org/uploads/1/3/2/7/132740405/fuvakorakeg.pdf
    • http://files.strangelouvre.com/uploads/1/3/0/7/130775942/9a7482e5219fe45.pdf
    • http://files.thelocalbusinesspromoter.com/uploads/1/3/2/6/132681544/108915.pdf
    • http://jemuzuli.mcleanmsband.com/uploads/1/3/1/8/131856161/pinoge.pdf
    • https://cdn.shopify.com/s/files/1/0431/1141/5959/files/6385502839.pdf
    • https://cdn.shopify.com/s/files/1/0431/4988/5606/files/47618511318.pdf
    • https://cdn.shopify.com/s/files/1/0434/3716/2646/files/contemporary_approaches_to_management_information_system.pdf
    • https://cdn.shopify.com/s/files/1/0437/6962/6781/files/route_of_drug_administration_pharmacology.pdf
    • https://cdn.shopify.com/s/files/1/0428/3917/9420/files/21036664033.pdf
    • https://cdn.shopify.com/s/files/1/0431/6443/4583/files/63169950434.pdf
    • https://cdn.shopify.com/s/files/1/0436/3006/7865/files/mivafivurinolotiwonososer.pdf
    • https://cdn.shopify.com/s/files/1/0429/6481/1935/files/merijujov.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_off00005ec3.bin
cd43ad1bad9073fc3abe00e816fd2081d01d7d00d6916ed1744884580bbc707e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EC3 5040 bytes
font_01_sfnt_off00006fd9.bin
e656224a59a4f9d420c8b33712339ad596fba9d2fca642debe5071d1d4a8325b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FD9 10240 bytes

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