Malicious PDF — malware analysis report

Static analysis result for SHA-256 589e191afb1f0e70…

MALICIOUS

PDF

41.1 KB Created: 2020-09-02 18:54:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d1ae949c4e6f7127917d4cc92d32a514 SHA-1: a03e9c7c44be0f8593b4988b66b46ae1adb53bcf SHA-256: 589e191afb1f0e7066d5ce832c3bf203b7980c10a28b11b444c6189bde695884
160 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, which is part of an advance-fee scam lure. The document body and heuristics indicate a deceptive lure designed to trick users into clicking the malicious link, likely to download further malware or engage in fraudulent activity. The presence of a mass external PDF link farm suggests an attempt to manipulate search engine results or distribute malicious content.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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.ru/wix?keyword=battlegrounds+games+for+android
    • https://cdn.shopify.com/s/files/1/0447/0548/0858/files/administracion_publica_del_peru.pdf
    • https://cdn.shopify.com/s/files/1/0431/2730/8454/files/rudidoriboxorivugamun.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bijuwosozawubuvenokuzi.pdf
    • https://cdn.shopify.com/s/files/1/0429/8814/2743/files/26669529502.pdf
    • https://cdn.shopify.com/s/files/1/0432/2436/7262/files/case_in_point_10_complete_case_interview_preparation.pdf
    • https://cdn.shopify.com/s/files/1/0437/8004/7010/files/census_vs_sampling.pdf
    • https://cdn.shopify.com/s/files/1/0429/5832/3865/files/94777097797.pdf
    • https://cdn.shopify.com/s/files/1/0435/5378/3967/files/louisville_attic_ladder_installation_instructions.pdf
    • https://cdn.shopify.com/s/files/1/0465/9062/3909/files/91716780844.pdf
    • https://cdn.shopify.com/s/files/1/0438/2274/3712/files/graphing_linear_inequalities_guided_notes.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kuvesagapixunijibofalase.pdf
    • https://cdn.shopify.com/s/files/1/0437/1385/5643/files/balanceamento_quimico_exercicios.pdf
    • https://cdn.shopify.com/s/files/1/0437/3626/8949/files/ruxokalivu.pdf
    • https://cdn.shopify.com/s/files/1/0435/2701/2507/files/48666711588.pdf
    • https://cdn.shopify.com/s/files/1/0428/7738/6911/files/excel_advanced_skills_writing_workbook_year_5.pdf
    • https://cdn.shopify.com/s/files/1/0431/9825/1165/files/porokipuku.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_off00006227.bin
56f584b7d0ff0dde24e772996700aeaeef94ce58b58c968592dbf1abf81024c2
pdf-font-stream PDF embedded font (sfnt) at offset 0x6227 5276 bytes
font_01_sfnt_off00007401.bin
30547a09e203e39177ece01d0ab984b7e450e97435987bc3ca5818f82cea3142
pdf-font-stream PDF embedded font (sfnt) at offset 0x7401 10348 bytes