Malicious PDF — malware analysis report

Static analysis result for SHA-256 d84ec1b2730410c0…

MALICIOUS

PDF

39.4 KB Created: 2020-08-29 12:44:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4722899032441b04fad9616df87e8c06 SHA-1: 26cf1c335f9c4fe913ebf5665c2efcce9f6f47c0 SHA-256: d84ec1b2730410c0a78247fd2443b96b76e752a25ede9c0d8abf78265459a519
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely intended to lead the user to a phishing or scam page. The document body, though heavily obfuscated, contains text related to 'Verizon fios tv p265v3 remote contro', suggesting a pretext for the lure. The presence of a large number of external PDF links, many pointing to Shopify, indicates a link farm strategy, likely for SEO poisoning or to obscure the final 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.ru/wix?keyword=verizon+fios+tv+p265v3+remote+contro
    • https://cdn.shopify.com/s/files/1/0433/1149/7366/files/sugepikanukapoxunew.pdf
    • https://cdn.shopify.com/s/files/1/0436/4438/7481/files/download_nuance_power_standard.pdf
    • https://cdn.shopify.com/s/files/1/0427/4647/8759/files/dubij.pdf
    • https://cdn.shopify.com/s/files/1/0432/9173/8277/files/addition_word_problems.pdf
    • https://static.usrfiles.com/ugd/b8c837_370c8a4cf64e465498425d509cdb1949.pdf
    • https://static.usrfiles.com/ugd/b8c837_49da743799404ec9a93ab82ac4ff7145.pdf
    • https://static.usrfiles.com/ugd/5b604d_1b8a49a9d4b945d18108a854f07dc83a.pdf
    • https://static.usrfiles.com/ugd/b8c837_fb081d87cd404d79988cd52e389d41e2.pdf
    • https://static.usrfiles.com/ugd/b8c837_63aad2c1a8234b43a7d25d63c193b7e7.pdf
    • https://static.usrfiles.com/ugd/b8c837_b15a3ae8ae444835aaddf3d67db363c0.pdf
    • https://static.usrfiles.com/ugd/b8c837_2826ded81f9641cfb74f3207228d1a8c.pdf
    • https://static.usrfiles.com/ugd/b8c837_58ab13cd913f46148ffee3d58e94a141.pdf
    • https://static.usrfiles.com/ugd/b8c837_aac472d0d2e94c5cb07ef860891dd7ab.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_off000049ff.bin
f5b94ff373a1bf906f9c0974c02c61049b852e99da4c91c4df13ba1fe036853c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x49FF 5356 bytes
font_01_sfnt_off00005c2b.bin
0893dd193e34ae95f4723ec75ff621a0a88c1585347fbe722f7f43c3024f7d3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C2B 10856 bytes
font_02_sfnt_off000080fd.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80FD 4324 bytes

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