Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c47f567c33f7c1f…

MALICIOUS

PDF

43.6 KB Created: 2020-08-31 09:29:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 778b454c8f968fb59244c441e01cface SHA-1: 84bd0e8890a90b27c5b579798d9d8a9551b9efa4 SHA-256: 2c47f567c33f7c1fec3008db079acb37cfa3975002b2634a40d20d1badbc733a
120 Risk Score

Malware Insights

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

The PDF file contains a link disguised as a search result for "Evil morty theme song piano sheet music". This link, https://ttraff.cc/wix?keyword=evil+morty+theme+song+piano+sheet+music, points to a known malicious redirector. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify. The primary intent appears to be directing users to malicious infrastructure through a deceptive lure.

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/wix?keyword=evil+morty+theme+song+piano+sheet+music
    • https://cdn.shopify.com/s/files/1/0431/6348/4315/files/87307498376.pdf
    • https://cdn.shopify.com/s/files/1/0435/5496/3617/files/spreadsheet_icon_in_sap.pdf
    • https://cdn.shopify.com/s/files/1/0431/6243/5739/files/lidikakapebolaxuw.pdf
    • https://cdn.shopify.com/s/files/1/0435/1878/7743/files/76605681634.pdf
    • https://cdn.shopify.com/s/files/1/0435/5942/0063/files/zudafosopofolefoge.pdf
    • https://cdn.shopify.com/s/files/1/0435/3366/4420/files/bojefasov.pdf
    • https://static.usrfiles.com/ugd/5b9a87_b1f1c6db4095470ba3fb9afab3cf353a.pdf
    • https://static.usrfiles.com/ugd/9edd50_52c2f979517c4ee1b34008b3d7cb54ab.pdf
    • https://static.usrfiles.com/ugd/286fb8_b3f833ddd0c54af28d945fa632b660e5.pdf
    • https://static.usrfiles.com/ugd/cb2bed_d2222686aa2a4475b888188cc4961855.pdf
    • https://static.usrfiles.com/ugd/3fc21f_fbb7c81b400548149cb4f3bbca2975c6.pdf
    • https://cdn.shopify.com/s/files/1/0429/6186/2810/files/kilaxopanunuru.pdf
    • https://cdn.shopify.com/s/files/1/0429/3872/8611/files/75315954437.pdf
    • https://cdn.shopify.com/s/files/1/0437/3279/5541/files/lane_s_theme_piano_sheet_music_free.pdf
    • https://cdn.shopify.com/s/files/1/0437/0153/4873/files/79008489436.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_off00005ceb.bin
5cdfcbc2570918ae0d410e6d041e45abeed9eccf2f2bbb7e9cd184f2f407e322		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CEB 5464 bytes
font_01_sfnt_off00006f6c.bin
c3fa9aa88dfe8c7a73193b76dbfada5f273870769ea4abbcb33f319f651a8790		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F6C 15532 bytes

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