Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2abd560d717a015…

MALICIOUS

PDF

35.7 KB Created: 2020-08-21 12:19:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dc3d2adb840cd3d61fa1722f306ef5a7 SHA-1: 761f9cf1b2b5d6b0fb267e0e46c97a3e042d10c5 SHA-256: a2abd560d717a0154ca1f53fc36e449f4816198290e9a2d80907c130933cc9e4
160 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The heuristic 'SE_PAYMENT_REDIRECT_LURE' suggests the document's content is designed to trick users into believing there are new or changed payment instructions. The primary malicious URL identified is https://ttraff.com/pify?keyword=badoo+apk+play+store, which is likely used to deliver a second-stage payload or redirect to a phishing page.

Heuristics 4

  • 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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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.com/pify?keyword=badoo+apk+play+store
    • http://files.salpiconontario.com/uploads/1/3/2/6/132695397/3367778.pdf
    • https://cdn.shopify.com/s/files/1/0431/9690/7684/files/immigration_australia_questions_answers.pdf
    • https://cdn.shopify.com/s/files/1/0446/2634/6147/files/jeep_wrangler_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/7016/0032/files/zufiluduka.pdf
    • https://cdn.shopify.com/s/files/1/0433/5376/8090/files/dubadu.pdf
    • https://cdn.shopify.com/s/files/1/0438/9568/5288/files/45659370998.pdf
    • https://cdn.shopify.com/s/files/1/0431/0879/4530/files/expanding_brackets_and_solving_equations_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0434/7900/7398/files/nimuxu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56751463133.pdf
    • https://cdn.shopify.com/s/files/1/0429/8627/4967/files/menulazi.pdf
    • https://cdn.shopify.com/s/files/1/0432/1335/7211/files/piping_isometric_drawing.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_off00004ea2.bin
7c1e5d119b67eb4afa36f290aae4587fec087e60ea26a005f7513e1690996cfb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4EA2 5168 bytes
font_01_sfnt_off0000604d.bin
2ee247114a7ff69a0ad2e837e1cd51acee867f1a2df1367d3a9a329245c2bc08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x604D 10104 bytes

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