Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ebf30b8c1960ecf…

MALICIOUS

PDF

46.7 KB Created: 2020-08-31 06:44:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7bdc861863f4a632a33e98cb291f6e55 SHA-1: de9f5c257d6ff8a4b30bf280a7f8f102cc9dd2a2 SHA-256: 1ebf30b8c1960ecf579f552c46195055d505f55400050ff67f781dd68f35569f
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in Items

The PDF file contains a significant number of embedded links, with 30 external PDF links detected. One of these links, https://ttraff.com/wix?keyword=clavecin+de+l%2527%25C3%25A9poque+baroque, points to a known malicious redirector. The file's purpose appears to be a link farm designed to distribute traffic to potentially malicious sites.

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/wix?keyword=clavecin+de+l%2527%25C3%25A9poque+baroque
    • https://static.usrfiles.com/ugd/5fd5c1_260ebdaa9a29430bb4c19ac92eb06ea4.pdf
    • https://static.usrfiles.com/ugd/b8c837_966621c624284f69b0fb62f86622c4f2.pdf
    • https://static.usrfiles.com/ugd/e2c250_b94fff62366a4bdea63f65197552ebd1.pdf
    • https://static.usrfiles.com/ugd/b8c837_1f916a37441c4147a6c9d3dcfe085ef7.pdf
    • https://cdn.shopify.com/s/files/1/0429/5698/0377/files/vekegubasinowasurefowev.pdf
    • https://cdn.shopify.com/s/files/1/0431/5725/8401/files/sijorenoxizarew.pdf
    • https://cdn.shopify.com/s/files/1/0435/9425/2456/files/vifukusebagopajefa.pdf
    • https://cdn.shopify.com/s/files/1/0428/6427/9718/files/82887327496.pdf
    • https://static.usrfiles.com/ugd/b8c837_396b74fddcfa4f3ea21613a5cf13104d.pdf
    • https://static.usrfiles.com/ugd/a6e5e9_2b9653ad9e9d4f71bb6b42328f5b3cb5.pdf
    • https://static.usrfiles.com/ugd/b8c837_b5bd33ce2b044034aaaf29287af45e58.pdf
    • https://static.usrfiles.com/ugd/e3834b_48a7162239e44b06861a5bc336c865c9.pdf
    • https://static.usrfiles.com/ugd/de60da_27ad6bdda18343b8a7bdebca37d1212d.pdf
    • https://static.usrfiles.com/ugd/b8c837_8986a352d3e34bfaa42be1ba92de6605.pdf
    • https://static.usrfiles.com/ugd/b8c837_da30d6ebb71e486ba35eac40279845ff.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_off00007566.bin
2ce7966d86aeb5cf56b2400f8009d498414feef6d86d128a02e51c809f82aea9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7566 5296 bytes
font_01_sfnt_off0000872d.bin
463cbba6f145a3f4dcd023cb32d25036e09736124cd89cbbfe753b7165bd0b8c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x872D 11820 bytes

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