Malicious PDF — malware analysis report

Static analysis result for SHA-256 e933a9f5e42f6ed2…

MALICIOUS

PDF

36.0 KB Created: 2020-09-17 01:05:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74ac53211fade00e2975d8adb742a6aa SHA-1: b5ee9783be7e39e299e952c18e43abecfc705cc4 SHA-256: e933a9f5e42f6ed26c42b92d11ee8951d955f0fa0a743f00fd084f3e07cbe449
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical redirector link to ttraff.me, suggesting a phishing or scam attempt. The document body, though partially corrupted, contains text related to an LG manual and the malicious URL, reinforcing the lure. The presence of numerous PDF links indicates a link farm designed to distribute traffic to potentially malicious sites.

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.me/wix?keyword=lg+lw6017r+manual
    • https://0f237705-c4ac-4a6d-924e-2466bb03136b.filesusr.com/ugd/4dd980_b8d16b62b46344f3990feb4d6f434b5f.pdf?index=true
    • https://76f2f2d8-b031-4be6-a1c2-e326a27e86fc.filesusr.com/ugd/132250_9904082d62ad47fb840f790dcdf3b33a.pdf?index=true
    • https://8956d162-b3ff-4770-bc6f-d5e06f93c1d0.filesusr.com/ugd/c8df25_da4cdd08d02548c8a7c00aa39980e8a5.pdf?index=true
    • https://3b3594f7-ead0-4a5e-a5b9-4dbef6aeb51a.filesusr.com/ugd/cec570_7048b2d297814eefa664169e5f4e385b.pdf?index=true
    • https://1b936ede-0415-44fa-932a-87507f434c96.filesusr.com/ugd/5aec95_cfefbea272154e7784199904a38dcf27.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0430/3834/3322/files/medtronic_neurovascular_guidewires.pdf
    • https://cdn.shopify.com/s/files/1/0466/2886/4165/files/cause_and_effect_diagram_free.pdf
    • https://cdn.shopify.com/s/files/1/0437/3826/7809/files/i_will_remain_attentive_to_your_answer.pdf
    • https://cdn.shopify.com/s/files/1/0433/3531/9702/files/pdf_annotation_tool.pdf
    • https://cdn.shopify.com/s/files/1/0440/6594/7800/files/79891601956.pdf
    • https://cdn.shopify.com/s/files/1/0445/6418/5247/files/31883733565.pdf
    • https://cdn.shopify.com/s/files/1/0430/8716/7645/files/52224096960.pdf
    • https://cdn.shopify.com/s/files/1/0434/7327/2998/files/algebra_1_math_workbook.pdf
    • https://cdn.shopify.com/s/files/1/0439/3772/6622/files/vsco_apk_premium_2020.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_off00004e3f.bin
3f085ce2632dc836b94ecd4628da5ba381f4b80442d3c1f8cde5b0b452f2187f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E3F 5288 bytes
font_01_sfnt_off0000604f.bin
4361caf391abb706a01b469a81ee7dd4e5b3e69987221aba69c13656d2aebf62		 pdf-font-stream PDF embedded font (sfnt) at offset 0x604F 10308 bytes

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