Malicious PDF — malware analysis report

Static analysis result for SHA-256 516ddea9fa0e23df…

MALICIOUS

PDF

60.8 KB Created: 2020-08-15 04:53:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7280ce9af2426cde5e9dca31ef78429a SHA-1: 0974346c30c40b94d0a5c7e97c7037ea0febcc23 SHA-256: 516ddea9fa0e23df7df8883b27fe672f2764a1e8d0ddf3eac7a6bcb1d970c953
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=captain+america+civil+war+spiderman+song'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, including one to 'cdn.shopify.com'. The document body, though heavily obfuscated, contains the same redirector URL, suggesting an attempt to lure users to malicious infrastructure.

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=captain+america+civil+war+spiderman+song
    • http://files.pakpourlab.com/uploads/1/3/0/8/130874317/tasim-pumatox.pdf
    • https://cdn.shopify.com/s/files/1/0451/4581/7253/files/advanced_java_mcq_questions_with_answers_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/5032/8486/files/learn_esp32_with_arduino_ide_course.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97428896976.pdf
    • https://cdn.shopify.com/s/files/1/0454/2365/7118/files/alternator_formulas.pdf
    • https://cdn.shopify.com/s/files/1/0439/9264/5790/files/airline_alliances.pdf
    • https://cdn.shopify.com/s/files/1/0437/5016/2581/files/setenodojosegiki.pdf
    • https://cdn.shopify.com/s/files/1/0434/0586/9213/files/comparing_and_ordering_decimals_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0432/8862/5316/files/jabra_speak_510_spec_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0435/9087/7339/files/669073122.pdf
    • https://cdn.shopify.com/s/files/1/0430/9660/4825/files/cabin_crew_safety_training_manual.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a370.bin
aea8324563553ed241777d3bf04d3b00410701ccd6d5606dc4cf6a0bd8f531e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA370 5356 bytes
font_01_sfnt_off0000b59d.bin
1ad346ea1e1655c4afba2a341c6be20b1dc72abc31a18a69584415f8e6415434		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB59D 10024 bytes
font_02_sfnt_off0000d7fa.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD7FA 4324 bytes

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