Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ab312c1eaa2e0f5…

MALICIOUS

PDF

37.6 KB Created: 2020-08-10 22:01:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 72d29c07fc62b047e2e0c739ff5fafea SHA-1: cb3c6f57874730fe47977f0aab50406c493ed61a SHA-256: 7ab312c1eaa2e0f5d343aab02ebc7fa45b90331394102419e791ee41367cb0aa
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 link to 'ttraff.cc'. The document body, though heavily obfuscated, contains text suggesting a lure for a 'renaissance periodization cookbook pdf free'. This indicates the PDF is designed to drive traffic to malicious or potentially malicious sites. No scripts were extracted, limiting the analysis of direct payload execution.

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=renaissance+periodization+cookbook+pdf+free
    • http://files.tridentpest.com/uploads/1/3/1/6/131637316/suzubo.pdf
    • http://files.juliannegunn.com/uploads/1/3/1/3/131379832/xonit_metuv_begusoweposafos_fikosaf.pdf
    • http://files.sacred-expressions.com/uploads/1/3/2/6/132695990/01cc90.pdf
    • http://files.plantinggems.co.uk/uploads/1/3/2/6/132682868/solijilerumikiwegife.pdf
    • https://cdn.shopify.com/s/files/1/0432/9173/8277/files/banjo_kazooie_minecraft_skin.pdf
    • https://cdn.shopify.com/s/files/1/0436/0703/1966/files/osrs_chaos_druids.pdf
    • https://cdn.shopify.com/s/files/1/0428/6195/3191/files/61979879321.pdf
    • https://cdn.shopify.com/s/files/1/0431/0079/9140/files/ansys_cfx_solver_theory_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/8180/1629/files/jolubewafanigumid.pdf
    • https://cdn.shopify.com/s/files/1/0427/4877/2519/files/wotefevukunerobanibikokeg.pdf
    • https://cdn.shopify.com/s/files/1/0434/4076/7132/files/bornholm_disease.pdf
    • https://cdn.shopify.com/s/files/1/0427/7462/6470/files/11669593849.pdf
    • https://cdn.shopify.com/s/files/1/0431/0279/7986/files/62007981719.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000494b.bin
b2ab84643d8384c7a4bf6ca62098d1ecf684aec0fd15f1d4aaa7214e8b8069a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x494B 5168 bytes
font_01_sfnt_off00005aeb.bin
45178df38decf25fcea4839f5f49d9c5fbc21366a3040848a9e457dd038cde0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AEB 9412 bytes
font_02_sfnt_off00007b25.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B25 4324 bytes

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