Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c2213e8353a4782…

MALICIOUS

PDF

48.9 KB Created: 2020-08-30 15:53:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ffc88b59d4485d9c3b7f9907d2e56349 SHA-1: c6253f5be4a0537451004ce4aa37493d7b55676e SHA-256: 8c2213e8353a4782fb2605407bc780174049d657e31294831688a2e6558166df
120 Risk Score

Malware Insights

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

The PDF file contains multiple links, with one pointing to a known malicious redirector infrastructure at 'ttraff.com'. This suggests a phishing or social engineering attempt to direct the user to malicious content. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/wix?keyword=8+stages+of+genocide+holocaust', reinforcing the malicious redirector finding. The presence of numerous other links to Shopify, while benign, is characteristic of a link farm used to obscure the primary malicious destination.

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=8+stages+of+genocide+holocaust
    • https://cdn.shopify.com/s/files/1/0435/3540/1111/files/security_management_in_cloud_computing.pdf
    • https://cdn.shopify.com/s/files/1/0441/2915/7272/files/mujipusitato.pdf
    • https://cdn.shopify.com/s/files/1/0433/4842/6902/files/homelite_trimmer_manual.pdf
    • https://static.usrfiles.com/ugd/b8c837_c2a34f99e45c4631a1cac9d382272220.pdf
    • https://static.usrfiles.com/ugd/b8c837_1638111e37bd4c80b3b30bbc8a6ccb82.pdf
    • https://static.usrfiles.com/ugd/b8c837_687432d7fb5a4018b283f64ed50952c2.pdf
    • https://static.usrfiles.com/ugd/b8c837_75215d55ffe24d41beb6b5705f61ffa5.pdf
    • https://static.usrfiles.com/ugd/5ed537_8a31d0ee45c04098a83c18638595eb86.pdf
    • https://static.usrfiles.com/ugd/79cb75_f8836c1e7b764ea99b9069c7a9adc08c.pdf
    • https://static.usrfiles.com/ugd/9cb927_bc3f8594e0ab4dbea7dc725cd4c68bdc.pdf
    • https://static.usrfiles.com/ugd/b8c837_892c5777b00e4abdb2e0dc17a6ed785f.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_off000068f5.bin
69b5ae6266bc0d97a8eeacee8b2d18aaa783e6acf128ae64f9f4360025ba3ed7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68F5 5288 bytes
font_01_sfnt_off00007ae1.bin
b4d777c25a6d6328157d1537e20ada6fd32f67e278ef0f8615f265110bd13900		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7AE1 10104 bytes
font_02_sfnt_off00009db8.bin
966a21d1dac840263af0321b4f77939b3f5bd33b538ab0e334f424ae8dcd9b15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9DB8 17156 bytes

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