Malicious PDF — malware analysis report

Static analysis result for SHA-256 521606767d672d69…

MALICIOUS

PDF

94.7 KB Created: 2020-09-07 15:47:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 88021e5c320cfa4207addb821835f84f SHA-1: 292f17206c17efa4d5c1c2835f03d872eaea0a50 SHA-256: 521606767d672d69e3b537832aa4c86826415895fe03c915915263ccfbe87193
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a malicious URL, disguised with keywords related to 'royal challengers bangalore anthem free'. This suggests a phishing or social engineering attack aimed at tricking the user into visiting a harmful site. The PDF also contains a large number of links to external PDFs, indicating 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.cc/wix?keyword=royal+challengers+bangalore+anthem+free
    • https://static.usrfiles.com/ugd/d54300_77a266f976724e23820be6bcf3017010.pdf
    • https://static.usrfiles.com/ugd/1b8612_5764e6e4125d463d842970eccf06e59e.pdf
    • https://static.usrfiles.com/ugd/0df15e_9098b0b27c204f5aba0137a00e3227b1.pdf
    • https://static.usrfiles.com/ugd/717a42_832f1dc6fd754d7590a18ef71988ab6e.pdf
    • https://static.usrfiles.com/ugd/b972d5_a605da2b0da644cc96e2ef118738efb9.pdf
    • https://static.usrfiles.com/ugd/7598fa_ecae3ec14b77443d9346873567e32e5e.pdf
    • https://static.usrfiles.com/ugd/b8c837_4fb26db367204bfb8582091008449cf7.pdf
    • https://static.usrfiles.com/ugd/430cb2_1a47f9fed8d34d44b7ae75a3d2cd6d19.pdf
    • https://static.usrfiles.com/ugd/3ed902_6b053bdbd30247da80a7cf260cccdb9f.pdf
    • https://static.usrfiles.com/ugd/0f9ef0_b2ba02b4fbb44373a60209cbd4595ce3.pdf
    • https://static.usrfiles.com/ugd/762c1a_d42e657e1c894fe7a56802ee9c442a2f.pdf
    • https://static.usrfiles.com/ugd/4117a9_9a7d3a68a1d143af9b337f117afcf85f.pdf
    • https://static.usrfiles.com/ugd/40512e_2129135b839c466dacd6d6ad337f0879.pdf
    • https://cdn.shopify.com/s/files/1/0428/9780/1375/files/55800610614.pdf
    • https://cdn.shopify.com/s/files/1/0428/0100/4707/files/black_body_radiation_book.pdf
    • https://cdn.shopify.com/s/files/1/0432/7315/8806/files/logical_reasoning_test_questions.pdf
    • https://cdn.shopify.com/s/files/1/0463/1232/5285/files/37388616254.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010537.bin
da9227d803687063f66cf7dfa78de1ee905a540eef857ffc4d92688b8418ee34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10537 3136 bytes
font_01_sfnt_off00011063.bin
f08436a8105ee68d4cd08eb17e9f9f76f8ca3b3577404ad37406ab74e2682bff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11063 5544 bytes
font_02_sfnt_off00012324.bin
af8714849731e00c64b8d753adb53f730b1c345dae2096f846c5f8f433613a7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12324 16332 bytes
font_03_sfnt_off00015617.bin
0c6db406c58484ab4d6a1f56c1126de9fb2bf52b886d2bc7e120542fdb7a60bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15617 16452 bytes

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