Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0a474c5a75ad39e…

MALICIOUS

PDF

40.0 KB Created: 2020-08-17 16:40:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a122764dff6a5e99a1037247a8e3408 SHA-1: dba260f54dec5810a30bc5c31f7f869cfbf86cac SHA-256: f0a474c5a75ad39e29ef5606c45db7a1a3807cc29dfe142951a4670dfc4e8e03
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, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=women%2527+s+business+attire+guide', is likely intended to lead the user to a phishing or malware distribution site. The document also exhibits characteristics of a link farm, with numerous external links, many pointing to Shopify domains, suggesting an attempt to manipulate search engine results or distribute content through multiple avenues.

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=women%2527+s+business+attire+guide
    • http://tatala.leisuretravelsrilanka.com/uploads/1/3/1/6/131606289/7ac4c52b.pdf
    • http://fawupif.thehigginsreport.com/uploads/1/3/1/1/131163930/2197638.pdf
    • https://cdn.shopify.com/s/files/1/0436/8593/7307/files/assassin_s_creed_origins_walkthrough.pdf
    • https://cdn.shopify.com/s/files/1/0434/9244/2277/files/67653061976.pdf
    • https://cdn.shopify.com/s/files/1/0436/2888/8227/files/32203612419.pdf
    • https://cdn.shopify.com/s/files/1/0433/9764/4449/files/34301050454.pdf
    • https://cdn.shopify.com/s/files/1/0438/5662/5829/files/tawibef.pdf
    • https://cdn.shopify.com/s/files/1/0429/8221/1733/files/2001_bayliner_ciera_2655_owners_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/2865/9874/files/ipcc_auditing_and_assurance_notes.pdf
    • https://cdn.shopify.com/s/files/1/0431/9323/7665/files/ditarupapomuvenemuguro.pdf
    • https://cdn.shopify.com/s/files/1/0434/4827/1014/files/yearly_budget_template.pdf
    • https://cdn.shopify.com/s/files/1/0434/4627/2162/files/winchester_model_94_assembly_disassembly_manual_illustrated.pdf
    • https://cdn.shopify.com/s/files/1/0429/8833/9361/files/tofafebidegivetamura.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_off00006073.bin
ae1f3cd3df9c3918c096a26772f446ebcd6a8fd44352b1cc597a1cdf236e66a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6073 5300 bytes
font_01_sfnt_off00007265.bin
8e9bf1105780acda0b498f9e32aaa85441ad86a945e82a361dc5c3b11af4100a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7265 9612 bytes

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