Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0c7ae88a4ce7e19…

MALICIOUS

PDF

45.6 KB Created: 2020-09-01 04:24:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3de6df5a5d8cc72bdb99016d8cc731f3 SHA-1: 33a4fb36c11234c4677f012295e07eb5da86fa09 SHA-256: c0c7ae88a4ce7e1982f5768fd35159bff33b6d631ad215fe10dc12eb581b3ec5
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=cheat+engine+pc+latest+version'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, including 'https://cdn.shopify.com/s/files/1/0427/9602/3975/files/gilgit_baltistan_culture.pdf'. The document body, though heavily obfuscated, also contains these URLs, suggesting the primary intent is to drive user clicks to potentially malicious destinations.

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=cheat+engine+pc+latest+version
    • https://cdn.shopify.com/s/files/1/0427/9602/3975/files/gilgit_baltistan_culture.pdf
    • https://cdn.shopify.com/s/files/1/0432/3645/8654/files/china_town_songs.pdf
    • https://cdn.shopify.com/s/files/1/0430/6996/4439/files/good_food_guide_brisbane_2018.pdf
    • https://cdn.shopify.com/s/files/1/0431/8163/7794/files/78410390156.pdf
    • https://cdn.shopify.com/s/files/1/0429/3541/9039/files/maxis_drone_free_gun.pdf
    • https://static.usrfiles.com/ugd/b8c837_fb0b068f3bd44d729797f132ed3b1342.pdf
    • https://static.usrfiles.com/ugd/06497e_7b9c632e2c8e44aa86e63aa8895deee4.pdf
    • https://static.usrfiles.com/ugd/e73fea_a16fdd9b046149bb9ee583c1c2ac512f.pdf
    • https://static.usrfiles.com/ugd/289c5e_81adc951112e4b2c8c295024745c0889.pdf
    • https://static.usrfiles.com/ugd/38eac1_6c136dc16d674551853535f49f5e66b3.pdf
    • https://static.usrfiles.com/ugd/23e9be_75347d035ecc466e945ef9a296b8a51e.pdf
    • https://static.usrfiles.com/ugd/cc14e4_7d516b5e74fe40f4928f82305b7fa45d.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_off00006e25.bin
1263f72f0729bfa51d2e61d20228e4f7cae1a55b5542345a26765441656157b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E25 5160 bytes
font_01_sfnt_off00007fb7.bin
b0c710183b186cf700f726f4638eb60d1a15edbdf0885b6374dd90ac59e2182a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FB7 13512 bytes

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