Malicious PDF — malware analysis report

Static analysis result for SHA-256 497ef9a48db891f6…

MALICIOUS

PDF

31.9 KB Created: 2020-08-19 11:20:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a09f1619892d3966331afe51675fa1d6 SHA-1: d9039ffb80b0c87d2281987e508c6892cac7fde4 SHA-256: 497ef9a48db891f633ac4517777b6c3d243ee3fc9f4c651eef53017c99fa5b99
90 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious domain, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'Converting units of measure ks2 worksheet' and the malicious URL, suggesting a social engineering lure. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 2

  • 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.
  • 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/pify?keyword=converting+units+of+measure+ks2+worksheet
    • http://rajadobu.capoeira-aca.com/uploads/1/3/1/3/131378970/pogivibanepike.pdf
    • https://cdn.shopify.com/s/files/1/0430/8451/3440/files/luzufexima.pdf
    • https://cdn.shopify.com/s/files/1/0437/9770/8957/files/95508092466.pdf
    • https://cdn.shopify.com/s/files/1/0430/8297/3346/files/gexelolakijilojarepavebo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34515707504.pdf
    • https://cdn.shopify.com/s/files/1/0431/9988/9569/files/35595905988.pdf
    • https://cdn.shopify.com/s/files/1/0431/2226/2178/files/gewofowepekovujaliseka.pdf
    • https://cdn.shopify.com/s/files/1/0427/8131/1132/files/tamil_bluray_movie_download.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_off00003f50.bin
a8a074ea7788559a4903a0cb25a6b1237eff319e1f1c20f9857445a6233857c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3F50 5404 bytes
font_01_sfnt_off000051a3.bin
41fcaaa5791611e07222411fd05ce6708b21b4f87403597b6e002ef70db2b0b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51A3 9792 bytes

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