Malicious PDF — malware analysis report

Static analysis result for SHA-256 cee9d4e7da58be38…

MALICIOUS

PDF

48.5 KB Created: 2020-08-22 06:14:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3abf7c7e08c592c33e96c1552c3d6088 SHA-1: da0de2bfb169aead18b240b396242c7a879185fe SHA-256: cee9d4e7da58be385913f63e6d08d81e507a1831dd2d8d0a28d1af97c4c9762b
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to shopify.com domains, but one critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=adventure+club+songs'. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious infrastructure. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact lure.

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=adventure+club+songs
    • http://duzanofu.casadegrode.com/uploads/1/3/0/7/130776783/linox.pdf
    • http://files.kmbyrne.net/uploads/1/3/0/9/130969993/tuburotikapez_sagepibames_lofixexizin.pdf
    • http://muwulez.trinitychapelwv.org/uploads/1/3/1/0/131070792/gemudujalepelo.pdf
    • http://tebokupe.hazelsnetogo.com/uploads/1/3/1/4/131453119/3edcf82dfb5.pdf
    • https://cdn.shopify.com/s/files/1/0438/0144/4512/files/18972871685.pdf
    • https://cdn.shopify.com/s/files/1/0463/2733/3019/files/43609795252.pdf
    • https://cdn.shopify.com/s/files/1/0430/3332/9815/files/jemurabuxibozagusigoj.pdf
    • https://cdn.shopify.com/s/files/1/0428/4933/7507/files/convert_yaml_to_json.pdf
    • https://cdn.shopify.com/s/files/1/0431/1682/2679/files/vafipan.pdf
    • https://cdn.shopify.com/s/files/1/0430/5040/1943/files/project_break_even_point.pdf
    • https://cdn.shopify.com/s/files/1/0437/2358/7733/files/setabixejedox.pdf
    • https://cdn.shopify.com/s/files/1/0433/5511/1589/files/97072256592.pdf
    • https://cdn.shopify.com/s/files/1/0437/9269/5456/files/93550677829.pdf
    • https://cdn.shopify.com/s/files/1/0437/2742/1608/files/1210844451.pdf
    • https://cdn.shopify.com/s/files/1/0431/7387/1767/files/pretty_rave_girl_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0431/5119/6315/files/gezukawijula.pdf
    • https://cdn.shopify.com/s/files/1/0431/3477/9553/files/87094697897.pdf
    • https://cdn.shopify.com/s/files/1/0437/9679/1456/files/financial_accounting_ratio_analysis.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_off00008172.bin
eb64cf0c7780b7935ee002d1bed3c92a54f097010b1c3b0321a24ba2df4fb692
pdf-font-stream PDF embedded font (sfnt) at offset 0x8172 5088 bytes
font_01_sfnt_off000092c9.bin
417924ecca3a47ba723ed577d2d21fa0eb040816d33b88c38a6b550170ca70b9
pdf-font-stream PDF embedded font (sfnt) at offset 0x92C9 10088 bytes