Malicious PDF — malware analysis report

Static analysis result for SHA-256 e90f48666f6c33b1…

MALICIOUS

PDF

41.3 KB Created: 2020-08-30 20:56:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 90472d119af438abcd1af67ca1eeda4b SHA-1: 6f3514c831495e1649a6649655ae46d2ee2cf7b1 SHA-256: e90f48666f6c33b16843de57c6d856c4ee5efeb76e0903e0ac6ccc24b2fa8e0e
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a large number of embedded external links, a technique often used to obscure malicious destinations. One of these links, 'https://ttraff.cc/wix?keyword=liberty+needs+glasses', is identified as a known malicious redirector. The presence of numerous PDF links, including this malicious one, suggests an attempt to lure the user to a compromised or malicious website, potentially for further exploitation or phishing.

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.cc/wix?keyword=liberty+needs+glasses
    • https://cdn.shopify.com/s/files/1/0448/9340/5339/files/alimentacion_saludable_argentina.pdf
    • https://cdn.shopify.com/s/files/1/0429/0514/1411/files/9990018343.pdf
    • https://cdn.shopify.com/s/files/1/0428/0477/3031/files/traci_lords_1984.pdf
    • https://static.usrfiles.com/ugd/122077_bea1990cf8b345c0a635a424bf1d8aca.pdf
    • https://static.usrfiles.com/ugd/3e5d97_b6e4e5dc6e014dfe9b54b3247b23176b.pdf
    • https://static.usrfiles.com/ugd/b8c837_9cdc446cb89647cbac8fab006021e742.pdf
    • https://static.usrfiles.com/ugd/b8c837_9b05c253910c4433b5a6a32592893e7e.pdf
    • https://static.usrfiles.com/ugd/63d3ad_72d5239c16b84dec94278e6968fc4217.pdf
    • https://static.usrfiles.com/ugd/33ab24_bc9591c26b7b45638c22cfd46582a0ac.pdf
    • https://cdn.shopify.com/s/files/1/0438/9886/3784/files/lumomosojigitepatabewug.pdf
    • https://cdn.shopify.com/s/files/1/0459/6934/2631/files/fevicol_hiper_technical_data_sheet.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_off000063fc.bin
3684abd4598912d01eff7bbf5e3a2532246fb800d5226321f81cc03b9342b70c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63FC 5176 bytes
font_01_sfnt_off000075a5.bin
65747aa33298fa40bfccbb9f8fdfc5986a75b8135ccd3dbc505ece804147d540		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75A5 10352 bytes

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