Malicious PDF — malware analysis report

Static analysis result for SHA-256 456abe167d9b899f…

MALICIOUS

PDF

40.1 KB Created: 2020-08-23 02:26:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7f64cc00557c8b19c52e3c674da59cce SHA-1: 86bee74beadfc14ff9646604875bea8d51227601 SHA-256: 456abe167d9b899f9b1bf23a977bc6dbc053c8d4554bba207751b1aeeeb470c2
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'Netflix android app chromebook' and the redirector URL, suggesting a lure to a phishing or scam page. The presence of numerous PDF links, many hosted on Shopify, indicates a sophisticated attempt to distribute malicious content.

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=netflix+android+app+chromebook
    • http://files.mrshawmusic.com/uploads/1/3/1/3/131398187/rixowipadeta.pdf
    • http://nileni.skiingisbelieving.org/uploads/1/3/1/4/131438379/f90573.pdf
    • http://rowewapob.pazangallery.com/uploads/1/3/0/7/130739615/3372620.pdf
    • https://cdn.shopify.com/s/files/1/0427/6604/1244/files/koxivifofatu.pdf
    • https://cdn.shopify.com/s/files/1/0432/7741/8651/files/latejimapusunoxozuwa.pdf
    • https://cdn.shopify.com/s/files/1/0437/0120/7193/files/detuvevamejo.pdf
    • https://cdn.shopify.com/s/files/1/0441/2204/6616/files/29141943648.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuxevitilikibuvenimomabu.pdf
    • https://cdn.shopify.com/s/files/1/0432/7879/4920/files/newibetopewivipesinipov.pdf
    • https://cdn.shopify.com/s/files/1/0433/5039/2984/files/ctet_marksheet_online.pdf
    • https://cdn.shopify.com/s/files/1/0436/9544/0040/files/kujaresedex.pdf
    • https://cdn.shopify.com/s/files/1/0432/6051/0376/files/mivodegado.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_off00005ff7.bin
b6fd39ebde7816f22f30c730107a929760cd4c978a2b652850c54f0552c86eb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FF7 5460 bytes
font_01_sfnt_off0000725c.bin
02407eaf7197403b145a7567a36dc101146ec18c8932994947cb72e34b2b6ea4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x725C 9760 bytes

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