Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e5ed6ad732689f9…

MALICIOUS

PDF

37.9 KB Created: 2020-09-02 12:52:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5bc28911e7685937d94457603d21c506 SHA-1: 67b99f357b94f81ade267e98b17e9f02e5528c20 SHA-256: 1e5ed6ad732689f9ecc30b21e63acb62e73c3af8eff67e78b8320f129e609148
120 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with the primary malicious redirector being https://ttraff.cc/wix?keyword=dragon+dragonvale+breeding+guide. This URL is likely used to redirect users to a phishing site or to download further malicious content. The document body, though heavily obfuscated, contains references to the malicious URL and other benign-looking PDF links, suggesting a lure to disguise the malicious intent.

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=dragon+dragonvale+breeding+guide
    • https://cdn.shopify.com/s/files/1/0434/6983/2354/files/54651933397.pdf
    • https://cdn.shopify.com/s/files/1/0429/3555/0118/files/sarud.pdf
    • https://cdn.shopify.com/s/files/1/0433/3495/9259/files/bivariate_normal_distribution_conditional.pdf
    • https://static.usrfiles.com/ugd/aef5b7_899cfc3d97a14702aec5f98dcdfa4583.pdf
    • https://cdn.shopify.com/s/files/1/0440/4638/5317/files/vojuligotuwaxikufiz.pdf
    • https://cdn.shopify.com/s/files/1/0433/7175/7718/files/73064361742.pdf
    • https://cdn.shopify.com/s/files/1/0431/8088/4129/files/vovipaxazavi.pdf
    • https://cdn.shopify.com/s/files/1/0434/1451/9973/files/69085116598.pdf
    • https://static.usrfiles.com/ugd/158fb9_1faaab2709d549f295e15c897da188c7.pdf
    • https://static.usrfiles.com/ugd/08fe48_2e831e97131f4ce5b63666d525dd1190.pdf
    • https://static.usrfiles.com/ugd/64d889_62820cccaf4f483e8cf42a64b3a3e333.pdf
    • https://static.usrfiles.com/ugd/b8c837_271090167dc04bebafb0337794bf4f64.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_off000057a7.bin
4963669580f20e2384bf9d004d844490481a71b163cb1bfd7e5041c4cec56897		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57A7 5012 bytes
font_01_sfnt_off000068cb.bin
fdc18a6d7458ffb630ab832a1cd2311be7cbdf801838f6432eefd5570a187826		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68CB 10040 bytes

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