Malicious PDF — malware analysis report

Static analysis result for SHA-256 87c58a53721b2a41…

MALICIOUS

PDF

219.5 KB Created: 2020-08-31 18:59:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: be8649af4fe2f8ef7e0a13c251143687 SHA-1: afe92aa75b7226e609cddbad8e54142f22f8ba23 SHA-256: 87c58a53721b2a411c6654446deda1abf7ec54e956ca1a3a05558bf503b2b79e
80 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the document's primary purpose is to redirect users to a malicious site, likely for phishing or to download further malware.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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.ru/wix?keyword=adobe+stock+infographic+templates
    • https://cdn.shopify.com/s/files/1/0429/1110/5183/files/oath_of_vengeance_5e.pdf
    • https://cdn.shopify.com/s/files/1/0437/5497/9477/files/mathematics_for_economics_and_business_7th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0429/6730/2295/files/9537689025.pdf
    • https://cdn.shopify.com/s/files/1/0429/3551/7337/files/fuvugumotuf.pdf
    • https://static.usrfiles.com/ugd/b28561_8d44b5fddf4a4b6db9bbbcdf215b76b8.pdf
    • https://static.usrfiles.com/ugd/b8c837_ec75e064e67140e6a819ade02fb77d06.pdf
    • https://static.usrfiles.com/ugd/8127dd_e42b05eeb2314eb3adf2875f1af54a0b.pdf
    • https://cdn.shopify.com/s/files/1/0434/6304/9376/files/mokejitex.pdf
    • https://cdn.shopify.com/s/files/1/0433/4796/8149/files/emu_paradise_wii.pdf
    • https://static.usrfiles.com/ugd/e5cbe5_70509d7f67544e92be83831b7596d910.pdf
    • https://static.usrfiles.com/ugd/ce0e6d_2fde71809d63434eba49da29be392bd2.pdf
    • https://static.usrfiles.com/ugd/67e251_7fdd5e8ab8bb465b8dbaf63f6ed62ee3.pdf
    • https://static.usrfiles.com/ugd/bb13a2_445c80a9eafb40d6b09477c83e831d1c.pdf
    • https://static.usrfiles.com/ugd/bdeb4c_223abeb6a57a446aa80fd19da8c774ff.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_off00030212.bin
fe5dfa7e258e000220b3e4998ea31d67b106aa3bc8d5c85bcea9d04ccc89ffe3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30212 5760 bytes
font_01_sfnt_off0003158d.bin
a4ec1cf39c9d670ad0867cc5243955611f69a372920d6fac5bc95a92d660a96b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3158D 16560 bytes
font_02_sfnt_off000348dc.bin
31aa257675234f953cb39254c73a0c002637764ec2691c470e0912636c3685cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x348DC 16204 bytes

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