Malicious PDF — malware analysis report

Static analysis result for SHA-256 490644e33ee071b0…

MALICIOUS

PDF

44.4 KB Created: 2020-08-28 13:36:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 77087997be54cb44607cf27c2563b30b SHA-1: 8d925ccbcf8d49c46a7a7068e9e45e1b574edbf6 SHA-256: 490644e33ee071b07ad6dc85ff7a08e54f0d1cae71ae2966f87563e676c79d9f
120 Risk Score

Malware Insights

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

The PDF file contains a link farm of multiple PDF files hosted on Shopify, with one primary redirector URL. This indicates a phishing or scam attempt designed to lure users to malicious infrastructure. The document body itself is heavily obfuscated and contains the primary malicious URL, suggesting it's part of the lure. No scripts were extracted from this sample.

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=the+saint+of+incipient+insanities
    • http://files.bodyglowspraytanning.co.nz/uploads/1/3/1/3/131384604/mowovewi.pdf
    • https://cdn.shopify.com/s/files/1/0432/7673/0533/files/zupurigetizuruzokejinag.pdf
    • https://cdn.shopify.com/s/files/1/0434/4040/6684/files/lefanemobapidasixazuzovus.pdf
    • https://cdn.shopify.com/s/files/1/0463/0370/7298/files/following_directions_worksheets_for_first_grade.pdf
    • https://cdn.shopify.com/s/files/1/0434/8048/1954/files/reveille_trumpet_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0434/4630/4933/files/48264253831.pdf
    • https://cdn.shopify.com/s/files/1/0432/4219/3058/files/57892768254.pdf
    • https://cdn.shopify.com/s/files/1/0433/6674/4214/files/85820146689.pdf
    • https://cdn.shopify.com/s/files/1/0434/7917/1222/files/72651495991.pdf
    • https://cdn.shopify.com/s/files/1/0440/4533/6741/files/goutte__goutte_fait_maison.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_off00005ab1.bin
3716f2409f04518ba1657d66ad44c198d0cf597e91eca0fd605237e4b42e92e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AB1 4924 bytes
font_01_sfnt_off00006b79.bin
370db428f53eb738d71a036645e70ca577ab6350319d11529e57c27530506742		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B79 10024 bytes
font_02_sfnt_off00008e02.bin
10baccb0bc3694c6b0b3b709d044b120dabe07f2e881620bfe1d59e5c3d3621a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E02 16204 bytes

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