Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ed3274015a3fb43…

MALICIOUS

PDF

40.8 KB Created: 2020-08-19 08:41:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e30f0c542d3072030523f45a426a52f SHA-1: 1fc02f7112c8f41a73c56cac46b5bbeac4166103 SHA-256: 9ed3274015a3fb4320c0dc98a02f2dee0a9f79e7e4d6f80cd8bf742b9a4d583d
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, https://ttraff.cc/pify?keyword=adventure+time+card+wars+apk+offline, is identified as a malicious redirector. This suggests the document's purpose is to direct users to malicious infrastructure, likely for further exploitation or phishing.

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.cc/pify?keyword=adventure+time+card+wars+apk+offline
    • http://files.sbcchapelhill.com/uploads/1/3/0/7/130740586/2839624.pdf
    • http://files.membraneemulsification.com/uploads/1/3/0/8/130814308/f976251.pdf
    • http://suzaza.jerryjonesguitars.com/uploads/1/3/1/4/131453870/693b463b624b0d.pdf
    • http://files.piktur-it.com/uploads/1/3/2/7/132740900/3494533.pdf
    • https://cdn.shopify.com/s/files/1/0433/1172/6750/files/movaxawofi.pdf
    • https://cdn.shopify.com/s/files/1/0431/2514/5760/files/vekulizimegi.pdf
    • https://cdn.shopify.com/s/files/1/0430/3169/1421/files/20650720369.pdf
    • https://cdn.shopify.com/s/files/1/0435/4569/0266/files/26095693078.pdf
    • https://cdn.shopify.com/s/files/1/0432/6057/5908/files/central_african_republic_conflict.pdf
    • https://cdn.shopify.com/s/files/1/0435/1007/1460/files/csgo_teams_finder.pdf
    • https://cdn.shopify.com/s/files/1/0430/0744/3103/files/60068911387.pdf
    • https://cdn.shopify.com/s/files/1/0431/6423/7992/files/zuwarosewavabu.pdf
    • https://cdn.shopify.com/s/files/1/0439/3641/5899/files/cpns_bengkulu_tengah_2020.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_off00006155.bin
a4c6957c87ac9855f6cbd2a2648873c4cf834cd653d00d7d73e544b8e93b46d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6155 5508 bytes
font_01_sfnt_off00007412.bin
93f01219e8dba61ef14cb49dfe156550eb830b5a1ac3a1d69beeae96eac7d36b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7412 10040 bytes

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