Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2cbe26c38eef564…

MALICIOUS

PDF

34.2 KB Created: 2020-08-17 18:20:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83d0967acb44ff622daf330dadbb1398 SHA-1: 9e75a077293e4204d6815dd789bd752b395bbd5b SHA-256: e2cbe26c38eef56424f0e34b5765f897c96e195d416b640948cda6f04f5151ed
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a link farm and a critical redirector link pointing to `https://ttraff.ru/pify?keyword=hsbc+malaysia+berhad+annual+report+2017`. This indicates a likely phishing or malware distribution attempt, masquerading as a financial report to entice clicks. The document body, though heavily obfuscated, contains references to the same URLs, reinforcing the malicious intent. No scripts were extracted, limiting the analysis of further 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.ru/pify?keyword=hsbc+malaysia+berhad+annual+report+2017
    • http://files.amidalifecoaching.com/uploads/1/3/1/4/131413766/5008434.pdf
    • http://wufuta.resource-economics-austin.com/uploads/1/3/0/9/130969226/8688233.pdf
    • https://cdn.shopify.com/s/files/1/0432/2705/4237/files/zawedenuzijog.pdf
    • https://cdn.shopify.com/s/files/1/0432/2865/9874/files/shl_logical_reasoning_test_answers.pdf
    • https://cdn.shopify.com/s/files/1/0432/6676/9051/files/pufidaz.pdf
    • https://cdn.shopify.com/s/files/1/0431/4732/9702/files/lanaza.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/54440827626.pdf
    • https://cdn.shopify.com/s/files/1/0435/1718/2104/files/gedebojo.pdf
    • https://cdn.shopify.com/s/files/1/0434/8562/6520/files/98287617607.pdf
    • https://cdn.shopify.com/s/files/1/0431/9110/7752/files/332411223.pdf
    • https://cdn.shopify.com/s/files/1/0432/1263/6322/files/renerabirawupaxunuse.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87294954422.pdf
    • https://cdn.shopify.com/s/files/1/0432/9350/7737/files/remulabefinetagikuf.pdf
    • https://cdn.shopify.com/s/files/1/0427/4687/1974/files/bategenemuzofigiboveb.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_off00004599.bin
11148e3b57b489fa6818e158967f78261ed4a5acc7ec723f3d0f599892ebbe43		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4599 5920 bytes
font_01_sfnt_off00005997.bin
a7225684610c330d447f32f9d8b859188b55828390c51dbaaf9344dc9b462b7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5997 10108 bytes

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