Malicious PDF — malware analysis report

Static analysis result for SHA-256 962780bf3133f562…

MALICIOUS

PDF

44.3 KB Created: 2020-08-30 09:21:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d90b1bc36caf097bb1de7fb4683a9a5 SHA-1: 5a8d13ceeeadc35a2ceacc482a4dd19eb71f92b5 SHA-256: 962780bf3133f562908e4fd8c13013cfcf5bde812616c167e87aabcf44c5dd75
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, identified as a link farm. One of these links, https://ttraff.com/wix?keyword=polaroid+z340+manual, points to known malicious redirector infrastructure. The primary purpose appears to be directing users to potentially harmful external sites, leveraging a lure related to a 'Polaroid z340 manual'. No scripts were extracted from this sample.

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=polaroid+z340+manual
    • https://static.usrfiles.com/ugd/b8c837_5582239335634f1e99800c337b8d7263.pdf
    • https://static.usrfiles.com/ugd/7dd30d_6d7505b6a3ea46b295d2943161b2ad61.pdf
    • https://static.usrfiles.com/ugd/b8c837_b33179107214499daf91052a7bd513ee.pdf
    • https://static.usrfiles.com/ugd/e2c250_c555e75571944702b99b55e0f02f2594.pdf
    • https://static.usrfiles.com/ugd/3826db_56558d1f01e2430282296b9e895f501b.pdf
    • https://cdn.shopify.com/s/files/1/0441/0713/7176/files/business_website_templates_free_for_asp._net.pdf
    • https://cdn.shopify.com/s/files/1/0427/8406/3654/files/wekolalixonadasisidigesi.pdf
    • https://cdn.shopify.com/s/files/1/0431/1675/7153/files/yu_no_meme_generator.pdf
    • https://static.usrfiles.com/ugd/b8c837_2804dfc6a7514523aeca66d46375d086.pdf
    • https://static.usrfiles.com/ugd/b8c837_068917eafbf94b3c9ea576201c468d35.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_off0000663a.bin
4cd49223bf528e70d060cd88f8f118db9243fad7b85eb48b03f6c627cb20a467		 pdf-font-stream PDF embedded font (sfnt) at offset 0x663A 5236 bytes
font_01_sfnt_off000077f9.bin
c77691f709d4832e7b53bb348c246ebb733175595401fc81048e6610e36e93e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77F9 14280 bytes

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