Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdbdbdc6c3c52f9e…

MALICIOUS

PDF

43.0 KB Created: 2020-08-09 10:42:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6f4978e70689175e06a493adb84850f2 SHA-1: 3453cdf59a5156399c30f7e17bc3b2d5650cea1b SHA-256: bdbdbdc6c3c52f9e40a5d0bca5dfc05ae6f6254ba9f680e06da0fc4ca272ea8a
120 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as an 'attestation d'hébergement' for a French visa, a common lure for phishing attacks. The document also functions as a link farm, directing users to numerous other PDF files hosted on Shopify, likely to obscure the malicious redirector. The primary malicious URL is https://ttraff.ru/pify?keyword=attestation+d+h%25C3%25A9bergement+france+visa+pdf.

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=attestation+d+h%25C3%25A9bergement+france+visa+pdf
    • http://files.biglifecc.com/uploads/1/3/1/3/131398541/todak_fazogimowa_lumulotirigata.pdf
    • http://files.stamenandpistil.net/uploads/1/3/2/6/132681928/6568278.pdf
    • http://puverez.emersymons.com/uploads/1/3/0/7/130776433/bamoteloxoj.pdf
    • https://cdn.shopify.com/s/files/1/0436/6604/7129/files/13824210852.pdf
    • https://cdn.shopify.com/s/files/1/0435/4346/2037/files/ball_mill_troubleshooting_pdf.pdf
    • https://cdn.shopify.com/s/files/1/0431/3815/4653/files/78688860424.pdf
    • https://cdn.shopify.com/s/files/1/0434/6049/3474/files/tegozovez.pdf
    • https://cdn.shopify.com/s/files/1/0431/5840/5274/files/6800852720.pdf
    • https://cdn.shopify.com/s/files/1/0431/1869/0458/files/b._ed_question_paper_2020_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/7609/1032/files/96770651814.pdf
    • https://cdn.shopify.com/s/files/1/0435/2992/8872/files/cherrypickers_guide_download_free.pdf
    • https://cdn.shopify.com/s/files/1/0438/1864/7709/files/noriwamepebovamupupa.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7407/files/safidifegufijokageser.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_off00006669.bin
12f7556f2e94766eadb232e94530af9f5d7a937a07493f172949bfa6db7638d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6669 5868 bytes
font_01_sfnt_off00007a01.bin
05dc2282cd5decbb74a14dbd2490334cd246b0a09f7adbf7d93ac7bd7a67a192		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A01 11296 bytes

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