Malicious PDF — malware analysis report

Static analysis result for SHA-256 3586276223f9056e…

MALICIOUS

PDF

44.4 KB Created: 2020-08-30 07:10:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62f25e5273ec97af56b0bc099a5d726a SHA-1: b2df98a56e53a0defa0a1de7f14d547082ec4bc0 SHA-256: 3586276223f9056ef249245ef91a57e666220950f2eb5303e4a50233a541051d
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wix?keyword=the+sims+pets+360+update+download'. The document body also contains this URL, suggesting it is the primary lure. The PDF also exhibits characteristics of a link farm, with numerous embedded links, many pointing to Shopify domains, likely to improve search engine ranking for malicious content.

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/wix?keyword=the+sims+pets+360+update+download
    • https://cdn.shopify.com/s/files/1/0430/5040/1945/files/84568847481.pdf
    • https://cdn.shopify.com/s/files/1/0434/7035/6632/files/blasting_equipment.pdf
    • https://cdn.shopify.com/s/files/1/0450/2716/4310/files/hawkes_learning_math_answers.pdf
    • https://cdn.shopify.com/s/files/1/0434/1317/6469/files/cornell_silverman_arithmetic_geometry.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66691602327.pdf
    • https://static.usrfiles.com/ugd/10e3af_8d8f387d5d1143d18514d5cd13547fd9.pdf
    • https://static.usrfiles.com/ugd/136d07_6ba77f01192e40e385341408806084de.pdf
    • https://static.usrfiles.com/ugd/7ea8bb_07c5907271664e84a03f30f8d7504ade.pdf
    • https://static.usrfiles.com/ugd/87a178_84701a40bdec43cb81885231247824cf.pdf
    • https://static.usrfiles.com/ugd/fa6f14_8eb32ae444ad4fe480f0a134aedc0f70.pdf
    • https://static.usrfiles.com/ugd/b8c837_a4f1014a505f41c78a230d1c308fe998.pdf
    • https://static.usrfiles.com/ugd/8b2c09_380ef8e499db4dbb9f264195fe38a042.pdf
    • https://static.usrfiles.com/ugd/dad90e_0a069a43fdc64a6c9a16c4a5d138df70.pdf
    • https://static.usrfiles.com/ugd/b8c837_7fc11c3a676642a194389e4fea123cbc.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_off00006f60.bin
9f3a3f5dbcf38ec3015ee80e98313d5668b42100b435b6339351d94bbf9acde6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F60 5604 bytes
font_01_sfnt_off0000825d.bin
f7ca981cfe73a35af16dcf0fa18b86e931a49912d523168539d732b234d56200		 pdf-font-stream PDF embedded font (sfnt) at offset 0x825D 10216 bytes

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