Malicious PDF — malware analysis report

Static analysis result for SHA-256 80bbb6f4dfbe2cf3…

MALICIOUS

PDF

62.6 KB Created: 2020-08-31 14:56:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 90648b11949e8ef3bb7cdda1c9260a22 SHA-1: 2d86789be6dfac06aa254c465e8b4a59d39382c1 SHA-256: 80bbb6f4dfbe2cf31ef381f5a63a685a5f9cc826663d4ece8a5c72af3e7b42ca
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.cc, which is disguised as a search result for popular movie content. The file also contains a large number of links to Shopify-hosted PDFs, likely part of an SEO spam campaign. The primary malicious URL is embedded within the document body and also referenced by a PDF link.

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/wix?keyword=tamil+horror+movies+2016++tamilrockers
    • https://cdn.shopify.com/s/files/1/0430/8910/0957/files/tafakitozege.pdf
    • https://cdn.shopify.com/s/files/1/0452/2079/0423/files/58287442273.pdf
    • https://cdn.shopify.com/s/files/1/0431/7695/1965/files/jebolarexiwezafenukip.pdf
    • https://cdn.shopify.com/s/files/1/0434/1648/6040/files/datedokituvaki.pdf
    • https://static.usrfiles.com/ugd/b8c837_341ae77d9b094c64a0fc298cbc1c6414.pdf
    • https://static.usrfiles.com/ugd/d775a9_214de8f51d5d4278a19a6031fb725985.pdf
    • https://cdn.shopify.com/s/files/1/0432/3167/4535/files/kumir.pdf
    • https://cdn.shopify.com/s/files/1/0433/5943/6951/files/rarowokob.pdf
    • https://cdn.shopify.com/s/files/1/0431/9009/1940/files/dawumerawomitapeb.pdf
    • https://cdn.shopify.com/s/files/1/0437/8702/6590/files/69298465206.pdf
    • https://static.usrfiles.com/ugd/06497e_018c378665ed410dba85e8cf9cbfa45f.pdf
    • https://static.usrfiles.com/ugd/1f2646_21cc4e36be4b459aa3840c0169f418bc.pdf
    • https://static.usrfiles.com/ugd/34e21e_8671275a7eb94880b986882688ec6f30.pdf
    • https://static.usrfiles.com/ugd/eda9ba_ea4fb66b31f449fb941c99a13b6659dc.pdf
    • https://static.usrfiles.com/ugd/efb3f0_6cf90583e98a461e9ea84bb9c4319ecd.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009799.bin
dccf6f59e75d515f7b14a0aa3f5646d211f3c29d71c70375c22389190413c5e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9799 5592 bytes
font_01_sfnt_off0000aa7a.bin
d75f4cb0c21a3d8723ffff19b99b75484da4c74e1e79f7926aa6ec65e1c7e146		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAA7A 14224 bytes
font_02_sfnt_off0000d759.bin
e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD759 16164 bytes

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