Malicious PDF — malware analysis report

Static analysis result for SHA-256 569a1f2f398c31c8…

MALICIOUS

PDF

33.9 KB Created: 2020-08-30 23:27:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a7fad1720e2ae851841e5b480a752d0 SHA-1: d336acc64c099ae3ce841b367787e03b25733bca SHA-256: 569a1f2f398c31c8f57b69d60845d0f93ebd9ba669857370dd9dcfd7ad48935c
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which are designed to mimic search engine results. One prominent link, 'https://ttraff.com/wix?keyword=the+invention+of+hugo+cabret+online', is identified as a malicious redirector. This suggests the document's primary purpose is to trick users into visiting malicious websites by presenting them as legitimate search results or related content.

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=the+invention+of+hugo+cabret+online
    • https://cdn.shopify.com/s/files/1/0434/0056/0803/files/australian_super_account_closure_form.pdf
    • https://cdn.shopify.com/s/files/1/0436/9596/4314/files/broiler_production_in_nigeria.pdf
    • https://cdn.shopify.com/s/files/1/0438/7468/0987/files/43311985470.pdf
    • https://cdn.shopify.com/s/files/1/0430/5072/9621/files/46834037443.pdf
    • https://cdn.shopify.com/s/files/1/0437/1070/9915/files/ir_2135_ti_max.pdf
    • https://static.usrfiles.com/ugd/e2f197_738d74f2b4c84c87965637fdba8e4e5a.pdf
    • https://static.usrfiles.com/ugd/b8c837_6696f1346f22413383b16c2a7a2f1f91.pdf
    • https://static.usrfiles.com/ugd/469aea_4f7487ac166c46a799e0a8367f227b8c.pdf
    • https://static.usrfiles.com/ugd/d5415a_dbd18bdfe95445bc9a94fd53aae018ac.pdf
    • https://static.usrfiles.com/ugd/2074c9_ba2f6ddc64df478393839629371dc2c7.pdf
    • https://static.usrfiles.com/ugd/158fb9_8ca358998844491c9d83f050d73ed328.pdf
    • https://static.usrfiles.com/ugd/47b1e8_f50fa3e0d86d4ccd9c68fa428211c5ca.pdf
    • https://static.usrfiles.com/ugd/b8c837_ebe5f5248af946c5b1cf4e1835eef8ce.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_off000045cf.bin
738a274c4fda5fa7a90d3247268f71439412cc5b97cb1c69517b5fe5d59f62e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x45CF 5112 bytes
font_01_sfnt_off00005743.bin
3a1663681b4a60f81dc543b949fffc8420b5612182c62e49f7ffeb8e77aafd77		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5743 10072 bytes

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