Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c3c182b29c7d727…

MALICIOUS

PDF

53.1 KB Created: 2020-07-30 07:29:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6061b3486e5100863d8c68e9ddf717ae SHA-1: 454db167c95401c5118483977580a015c1e6f135 SHA-256: 1c3c182b29c7d727f65737d491994732fe7a65bf21cd066de0583f765a3759f6
160 Risk Score

Malware Insights

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

The PDF contains a mass link farm pointing to various Shopify-hosted PDFs, with one primary link redirecting through ttraff.ru. This infrastructure is indicative of a phishing or scam campaign, likely attempting to redirect users to malicious sites for financial fraud or credential harvesting. The heuristic 'SE_PAYMENT_REDIRECT_LURE' strongly suggests a business-email-compromise pattern.

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.ru/pify?keyword=non+functional+requirements+examples+pdf
    • http://files.jennie-miller.com/uploads/1/3/2/6/132682882/0d77b14e8.pdf
    • http://files.jessnicolephotography.com/uploads/1/3/0/8/130874680/9ad9a9832994f.pdf
    • http://files.qrufundraiser.org/uploads/1/3/0/7/130776486/nuwarelebawuxi-jizaxeru-taxulasobup.pdf
    • https://cdn.shopify.com/s/files/1/0432/1673/2320/files/68481102221.pdf
    • https://cdn.shopify.com/s/files/1/0427/8022/9791/files/wopuxi.pdf
    • https://cdn.shopify.com/s/files/1/0431/5929/0022/files/finufujerez.pdf
    • https://cdn.shopify.com/s/files/1/0432/8862/5302/files/dolol.pdf
    • https://cdn.shopify.com/s/files/1/0430/7930/3317/files/43379978974.pdf
    • https://cdn.shopify.com/s/files/1/0439/0099/3691/files/fizedotoselovadon.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2128194791.pdf
    • https://cdn.shopify.com/s/files/1/0431/8471/7979/files/jaritalivozemukedito.pdf
    • https://cdn.shopify.com/s/files/1/0435/3412/3160/files/59790661944.pdf
    • https://cdn.shopify.com/s/files/1/0429/7064/4631/files/koxozuvari.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_off000090a8.bin
289ff5b27aaea8563c37e33dcc4cd7370034b8ffe47845c2c4a434d2a5dc3423		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90A8 5348 bytes
font_01_sfnt_off0000a2bd.bin
06e2b10914c8b545e46cba68126c6711e85a84f925ee0c70b695290463ca4c10		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA2BD 10536 bytes

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