Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd686c7ada7d8f3a…

MALICIOUS

PDF

43.0 KB Created: 2020-08-17 18:22:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8a7316bf0b724c420d9bbddc69ac4fc1 SHA-1: 890ca942829a461dea763dabd7c6a9051c3a6e08 SHA-256: fd686c7ada7d8f3a43ffd38307665890b62bfa434fb31b95ec01b2265d9068d4
120 Risk Score

Malware Insights

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

The PDF file contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains text related to a 'police report example robbery' and a URL that appears to be part of a link farm designed for SEO manipulation. The primary malicious URL is https://ttraff.com/pify?keyword=police+report+example+robbery, which is likely used to redirect users to a further malicious destination. No scripts were extracted from this sample.

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=police+report+example+robbery
    • http://files.alwaysthereliving.com/uploads/1/3/2/6/132681625/a621290ef78d1.pdf
    • https://cdn.shopify.com/s/files/1/0433/2745/5382/files/95717028473.pdf
    • https://cdn.shopify.com/s/files/1/0437/2873/2314/files/somekoposurogom.pdf
    • https://cdn.shopify.com/s/files/1/0433/7880/2846/files/axial_flow_fan_calculation.pdf
    • https://cdn.shopify.com/s/files/1/0431/8894/5045/files/laxamosob.pdf
    • https://cdn.shopify.com/s/files/1/0431/0591/0933/files/41060273511.pdf
    • https://cdn.shopify.com/s/files/1/0427/7128/4135/files/eclipse_shortcuts_java.pdf
    • https://cdn.shopify.com/s/files/1/0432/8855/9780/files/85170720266.pdf
    • https://cdn.shopify.com/s/files/1/0431/4251/2791/files/american_beauty_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0431/0669/7367/files/jukezifabegezupomaju.pdf
    • https://cdn.shopify.com/s/files/1/0431/6237/0210/files/mugesezola.pdf
    • https://cdn.shopify.com/s/files/1/0428/4727/3116/files/vixejimekojedazugixorub.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/
    • https://cdn.shopify.com/s/files/1/0431/0591/09

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069f2.bin
b4d31100f810da37bb04fad463d53a4165d28118927480cffcdafcf8e7c06561		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69F2 5212 bytes
font_01_sfnt_off00007b98.bin
9178c30679398f1a261cb1d0e5cd3d4d18d2244f7d67befb098f7f2829f5f929		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B98 10316 bytes

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