Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9dfb034fd2e8255…

MALICIOUS

PDF

48.3 KB Created: 2020-08-05 10:48:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87528de8cb497e183efd5d037a5d5ec5 SHA-1: c05c4e7acc64d70108921278ae1dd822935fb9b6 SHA-256: d9dfb034fd2e82552d88b6ca3640a1dd0698c1c4713a1e62557873cc4cebec2f
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical link to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=lund+and+browder+chart+pdf', suggesting a lure to a malicious site. The presence of numerous Shopify-hosted PDF links further indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the true destination.

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.com/pify?keyword=lund+and+browder+chart+pdf
    • http://files.msaspinall.com/uploads/1/3/1/4/131438234/vebulejido_taxoletusej_gisosesuj.pdf
    • http://files.fuschiamoss.com/uploads/1/3/1/4/131482975/gufefa.pdf
    • http://lotagumim.chartwellprimarymaths.org.uk/uploads/1/3/1/3/131398455/piwerefegi-wezasabelafivu.pdf
    • http://files.mollybegood.com/uploads/1/3/0/7/130738993/bonuni.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sesolofulazige.pdf
    • https://cdn.shopify.com/s/files/1/0430/8929/7568/files/nazododasefu.pdf
    • https://cdn.shopify.com/s/files/1/0432/3845/7508/files/devavuvenedesoregi.pdf
    • https://cdn.shopify.com/s/files/1/0435/1026/8064/files/guwegiri.pdf
    • https://cdn.shopify.com/s/files/1/0427/8065/5775/files/63049895770.pdf
    • https://cdn.shopify.com/s/files/1/0428/9721/1551/files/pesigezemomixasisamomo.pdf
    • https://cdn.shopify.com/s/files/1/0438/8575/6568/files/brother_mfc-_490cw.pdf
    • https://cdn.shopify.com/s/files/1/0432/9403/2025/files/58471600462.pdf
    • https://cdn.shopify.com/s/files/1/0434/2356/3925/files/25658262487.pdf
    • https://cdn.shopify.com/s/files/1/0428/8770/8825/files/86915466927.pdf
    • https://cdn.shopify.com/s/files/1/0433/0923/6374/files/53804769471.pdf
    • https://cdn.shopify.com/s/files/1/0430/2602/2557/files/84868069821.pdf
    • https://cdn.shopify.com/s/files/1/0432/0333/0208/files/15727651537.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_off00007f2c.bin
99988a6a66f6223ca4aa7bde32f5a19defdb152d81af4946851480dfb6acfcab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F2C 5204 bytes
font_01_sfnt_off000090ed.bin
558f515a6a9f86d58bd6942ee405647b9e4b65b8e0854fc513def88cd6797257		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90ED 10300 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.