Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbdb02f988d07e7e…

MALICIOUS

PDF

43.7 KB Created: 2020-07-31 07:27:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 97a52a24d8779e79128f9adc91a26d22 SHA-1: 01f9c4c1ab1613757db5834a31a1b6ef743b36ea SHA-256: fbdb02f988d07e7e7f264198059d41e52c28a8879d8f4db778694c1bed56f94d
128 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious domain, indicating a phishing or redirection attempt. The document body, though heavily obfuscated, suggests a lure related to financial terms. The presence of a link farm further supports the malicious intent of distributing links to potentially harmful content.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=glossary+of+financial+terms+pdf
    • http://files.thornhillhousesra.com/uploads/1/3/0/7/130776536/tezaxinefutidi_newaj_rapopegugu.pdf
    • http://files.cranstoneastsoccer.com/uploads/1/3/0/7/130739974/442a05ed.pdf
    • http://files.trinitybergenlutheranchurch.org/uploads/1/3/1/3/131379320/7210037.pdf
    • http://files.trinitybergenlutheranchurch.org/uploads/1/3/1/3/131379320/7210037.pd
    • https://cdn.shopify.com/s/files/1/0429/8155/6375/files/bisoneso.pdf
    • https://cdn.shopify.com/s/files/1/0429/2801/3471/files/47771506949.pdf
    • https://cdn.shopify.com/s/files/1/0432/2754/5763/files/43178366183.pdf
    • https://cdn.shopify.com/s/files/1/0437/5746/9845/files/92414893935.pdf
    • https://cdn.shopify.com/s/files/1/0440/2744/5413/files/67521404574.pdf
    • https://cdn.shopify.com/s/files/1/0433/4603/4846/files/zomegopuvegotasiz.pdf
    • https://cdn.shopify.com/s/files/1/0430/8575/8618/files/sewedubuxazosivusovaki.pdf
    • https://cdn.shopify.com/s/files/1/0431/5476/8021/files/53234035752.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bebupikisanomagidilu.pdf
    • https://cdn.shopify.com/s/files/1/0436/7722/1017/files/28575344647.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_off00006d99.bin
f1cc7a05be8177f07ac967bed7d84b702dfd203dd00c761d301a54b73e2191a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D99 5224 bytes
font_01_sfnt_off00007f4b.bin
574a9ca2a2bd4257452b974dd2aee2fb1bf033cf9f5a1309145868f9f4b8433f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F4B 10144 bytes

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