Malicious PDF — malware analysis report

Static analysis result for SHA-256 9cc07633ee880077…

MALICIOUS

PDF

48.5 KB Created: 2020-08-14 23:25:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4ad3278a1bb6da27aa615b3635cf818f SHA-1: 392e9afd3c0c09c09679a75655f6371bac47951c SHA-256: 9cc07633ee880077b07e45a1f0c54eda3b481c8bda5f7e1827bb2c71b8975254
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to a link farm hosted on cdn.shopify.com. One of the embedded URLs, https://ttraff.com/wb?keyword=pest%20analysis%20sample%20pdf, is flagged as a malicious redirector. This suggests the document is designed to lure users to malicious sites, likely for phishing or malware distribution.

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/wb?keyword=pest%20analysis%20sample%20pdf
    • http://nazex.threeaineconsultancy.com/uploads/1/3/0/7/130775971/6870261.pdf
    • http://files.goals-4-good.org/uploads/1/3/1/4/131437636/599851.pdf
    • http://files.bournemouthjrc.co.uk/uploads/1/3/0/7/130776445/luxadezamu_kesudidolux.pdf
    • http://wosiba.faithacademyfootball.com/uploads/1/3/0/7/130776661/7426921.pdf
    • http://nazex.threeaineconsultancy.com/uploads/1/3/0/7
    • https://cdn.shopify.com/s/files/1/0447/8353/4229/files/ano_ang_lakbay_sanaysay.pdf
    • https://cdn.shopify.com/s/files/1/0431/3687/6695/files/gufesa.pdf
    • https://cdn.shopify.com/s/files/1/0432/4989/3531/files/92035080842.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3152232763.pdf
    • https://cdn.shopify.com/s/files/1/0428/0241/3735/files/quick_calculus_a_self_teaching_guide.pdf
    • https://cdn.shopify.com/s/files/1/0428/4655/2230/files/wejaxebazasavika.pdf
    • https://cdn.shopify.com/s/files/1/0438/5269/3654/files/bubowajika.pdf
    • https://cdn.shopify.com/s/files/1/0429/3407/5558/files/zurusuzisowobugun.pdf
    • https://cdn.shopify.com/s/files/1/0434/8257/9110/files/pajivovasepotaji.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_off00007ff8.bin
8cdd7abf15fb340605293114752c52e644487bb8fe89ec5117bcee4f25dfc567		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FF8 5196 bytes
font_01_sfnt_off0000919b.bin
5db695912457e2a1c255934b1a318416846dd44cd4bac3eb05df9fcbb0e474e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x919B 10428 bytes

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