Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0f838d45f669c74…

MALICIOUS

PDF

41.2 KB Created: 2020-08-31 02:45:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7c764af05109238a65dd0e0cef4a592a SHA-1: 47a66501c24b3d2e359628557ed06c1da3244692 SHA-256: b0f838d45f669c748a11f13ed278171ed3ebb2351b1d8bfc065cc4140348cc29
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting an attempt to manipulate search engine results or distribute content from various sources. The presence of the malicious redirector URL 'https://ttraff.cc/wix?keyword=imprint+beast+poe' is a strong indicator of malicious intent, likely leading to further compromise.

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=imprint+beast+poe
    • https://cdn.shopify.com/s/files/1/0437/3187/8049/files/football_betting_strategies_that_work.pdf
    • https://cdn.shopify.com/s/files/1/0431/1344/7581/files/combining_like_terms_worksheets_7th_grade.pdf
    • https://cdn.shopify.com/s/files/1/0437/0916/9815/files/legal_capacity_in_islamic_law.pdf
    • https://cdn.shopify.com/s/files/1/0462/0134/0057/files/53042810358.pdf
    • https://static.usrfiles.com/ugd/b8c837_b5cfaea357d74801a4863968279feb0a.pdf
    • https://static.usrfiles.com/ugd/b8c837_1120cf36c456447ea4535e950cd98174.pdf
    • https://static.usrfiles.com/ugd/5be868_359354d7400742a0a5152d22f88de147.pdf
    • https://static.usrfiles.com/ugd/b8c837_3b85c4984ff244058e65dd367f31e851.pdf
    • https://static.usrfiles.com/ugd/b8c837_9bf36c4c40da4c72abbe834e17005f4a.pdf
    • https://cdn.shopify.com/s/files/1/0437/2211/3173/files/joduxedaxodutejo.pdf
    • https://cdn.shopify.com/s/files/1/0433/2670/1718/files/equivalent_ratios_6th_grade.pdf
    • https://cdn.shopify.com/s/files/1/0429/7926/2615/files/80778996018.pdf
    • https://cdn.shopify.com/s/files/1/0436/3878/4158/files/hari_om_meaning.pdf
    • https://cdn.shopify.com/s/files/1/0429/1218/6531/files/81871478230.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_off00006454.bin
425cbdd10b5dcaf7ef56f2890eeae9a2dc0c02d72fd2f855a6e0fced6aae51f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6454 5012 bytes
font_01_sfnt_off00007531.bin
53e45cf75d4aaa5b7c2da9ad227d3b1fe7c11cec1e6319e6af7fe234fc8d8dda		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7531 10248 bytes

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