Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0aea07c2469e342…

MALICIOUS

PDF

37.4 KB Created: 2020-08-29 02:09:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3dab12fc66e9ef518e655b63009c1cb6 SHA-1: acea815a65687523260c4c3b30a7f0e77516cda0 SHA-256: f0aea07c2469e3426cece6080d73f02bdfb4f1f21d482f4c5f0632a9ede64cb1
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for a 'wii u loadiine guide' and includes the malicious URL. This suggests the primary intent is to redirect the user to a malicious site, likely for further exploitation or credential harvesting.

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=wii+u+loadiine+guide
    • https://static.usrfiles.com/ugd/b8c837_b665a348b6144919aacb5c9f5cfc3fc8.pdf
    • https://static.usrfiles.com/ugd/b8c837_e5d7f6f99acb4a2386e3fdfe25fc4430.pdf
    • https://static.usrfiles.com/ugd/b8c837_ae5f3e1cbf8447b7ab0616285f8b1dff.pdf
    • https://static.usrfiles.com/ugd/b8c837_2e96e287717143d9baa199985c5b2211.pdf
    • https://static.usrfiles.com/ugd/b8c837_a4a5d3b94b0c4a18aa2693b900cc7b9a.pdf
    • https://static.usrfiles.com/ugd/b8c837_442a4f9bbafe4f37acc50f307a1d90f9.pdf
    • https://static.usrfiles.com/ugd/b8c837_f6ba4b36a0154c989d0c4a13047bd913.pdf
    • https://cdn.shopify.com/s/files/1/0435/2966/6724/files/43768744637.pdf
    • https://cdn.shopify.com/s/files/1/0428/3337/9487/files/jilly_bean_strain_information.pdf
    • https://cdn.shopify.com/s/files/1/0429/7264/3491/files/duzewotenazaramumugiza.pdf
    • https://cdn.shopify.com/s/files/1/0430/6416/4506/files/23691019561.pdf
    • https://cdn.shopify.com/s/files/1/0434/3159/2088/files/neonatal_jaundice_chart.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_off00005604.bin
8415a972ea2ec22deaa540e0bf1c314160044fd44137461d1b7099a363006691		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5604 4732 bytes
font_01_sfnt_off0000663a.bin
b04737325fb090d8ee41412b9adb030ad4e4a269b0423b16a13066e6d86e8b29		 pdf-font-stream PDF embedded font (sfnt) at offset 0x663A 10468 bytes

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