Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e4fcacb2ff0432a…

MALICIOUS

PDF

41.8 KB Created: 2020-08-17 07:28:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e5b8e5783a1df6aa812f246a07373e9 SHA-1: 6e7245b1a02b64da4d254fd7a227f19dae1216a9 SHA-256: 1e4fcacb2ff0432a6f4e302440f8f2c67a418cfe1c396ae574b3799963f627dd
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains this URL and other Shopify-hosted PDF links, suggesting a link farm or redirection tactic. The primary intent appears to be directing the user to the malicious 'ttraff.ru' URL, likely for further exploitation or credential harvesting.

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=financial+planning+and+analysis+project+report
    • http://sexupe.sickfitpe.com/uploads/1/3/2/6/132696212/pupaket_mojazekijud_vadugikojipaza.pdf
    • http://files.genjormusic.com/uploads/1/3/0/7/130775431/9627649.pdf
    • http://files.colourtherapybylorraine.com/uploads/1/3/0/9/130968988/jamiki.pdf
    • http://files.thewildwaycoffee.com/uploads/1/3/1/0/131070597/tekuge.pdf
    • http://files.bookcellarlwonline.com/uploads/1/3/1/8/131860787/xejapami.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/davunaxejapezuxipuwuwozom.pdf
    • https://cdn.shopify.com/s/files/1/0435/7265/8335/files/worksheets_for_kindergarten_math.pdf
    • https://cdn.shopify.com/s/files/1/0438/1802/5122/files/military_alphanumeric_code.pdf
    • https://cdn.shopify.com/s/files/1/0428/5834/8703/files/58506098436.pdf
    • https://cdn.shopify.com/s/files/1/0434/2202/3847/files/kekujipe.pdf
    • https://cdn.shopify.com/s/files/1/0433/9744/7836/files/nagasikixo.pdf
    • https://cdn.shopify.com/s/files/1/0433/4957/3784/files/accounts_payable_process_in_sap.pdf
    • https://cdn.shopify.com/s/files/1/0428/1604/5222/files/rakaxawagavegirodarivojo.pdf
    • https://cdn.shopify.com/s/files/1/0429/3220/7782/files/classroom_jobs_application.pdf
    • https://cdn.shopify.com/s/files/1/0428/6241/1942/files/leathercraft_templates_free.pdf
    • https://cdn.shopify.com/s/files/1/0430/9807/9399/files/lumopojodeturepis.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97897646990.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_off000064f5.bin
284d40fab31a6fbcb834cffd9df109d1b6455f63f492c039aa012169c057d5ae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64F5 5376 bytes
font_01_sfnt_off0000774f.bin
a611a99faf8be707796c81af3b3b43712e2f811aa884280523b640531aba9b96		 pdf-font-stream PDF embedded font (sfnt) at offset 0x774F 10192 bytes

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