Malicious PDF — malware analysis report

Static analysis result for SHA-256 542d31302002fc5a…

MALICIOUS

PDF

47.0 KB Created: 2020-08-30 23:15:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 63a754c77edac78a4e7c94ea2ea09e03 SHA-1: 81dbdc8bb3ab57a37a93105de6cd2debdea0d873 SHA-256: 542d31302002fc5af5c2e4ec05d87d0214d7cdf0248554e9b5336589863650e4
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 Shopify domains hosting other PDFs, a technique often used for SEO poisoning or link farming. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/wix?keyword=ranchos+ganaderos+en+jalisco+mexico'. This suggests the document is designed to redirect 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.com/wix?keyword=ranchos+ganaderos+en+jalisco+mexico
    • https://cdn.shopify.com/s/files/1/0439/2956/7387/files/gujivijerotijiworakonejal.pdf
    • https://cdn.shopify.com/s/files/1/0437/1978/6645/files/kitiduwafaxajugurur.pdf
    • https://cdn.shopify.com/s/files/1/0431/6600/7457/files/wusonuzewob.pdf
    • https://cdn.shopify.com/s/files/1/0437/1900/0229/files/luxitero.pdf
    • https://static.usrfiles.com/ugd/b8c837_b6ade1eebc8242aba3474f90d177a413.pdf
    • https://static.usrfiles.com/ugd/b8c837_c9a9fea88f0240649fe5c4050693dea6.pdf
    • https://static.usrfiles.com/ugd/b8c837_1bc08684688249aeaa42194aa2ec8675.pdf
    • https://static.usrfiles.com/ugd/0047a4_aabcc44491084443895aa515e7a68831.pdf
    • https://static.usrfiles.com/ugd/b8c837_3788ef4b22f04e26b740a3afc9530709.pdf
    • https://static.usrfiles.com/ugd/b8c837_b880260303124c3ebfbdd386b1fb8ee4.pdf
    • https://cdn.shopify.com/s/files/1/0436/0152/6948/files/is_alfred_hitchcock_presents_on_netflix.pdf
    • https://cdn.shopify.com/s/files/1/0432/4173/4311/files/lajamapepebij.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_off000066c1.bin
7921d5cbba2cfdc677715213883e099f4fa7d4d32b05ec50388da0cba6e76ac2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66C1 5212 bytes
font_01_sfnt_off0000784a.bin
c6bd2a2d27c3ca97f064c5ae1996b667a4f86a81b48b4e934b5cca94e1aa684f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x784A 12236 bytes
font_02_sfnt_off00009fae.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9FAE 4324 bytes

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