Malicious PDF — malware analysis report

Static analysis result for SHA-256 fee49c73911137c9…

MALICIOUS

PDF

34.0 KB Created: 2020-08-29 16:32:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3df58c88baa7ae267aa32e5ad3a526ba SHA-1: cf74171ed284a987fa7296790f9dec436f2193b9 SHA-256: fee49c73911137c9cb620f00f86241cb17aeab70d1ebb5fd2ac05893b279c9b1
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many of which are hosted on Shopify and appear to be SEO-optimized content. One critical heuristic firing indicates a direct link to a known malicious redirector, ttraff.cc, which is disguised as a movie download link. This suggests the document's primary purpose is to drive traffic to malicious infrastructure.

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=bajirao+mastani+full+movie+free+download+for+mobile
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/88890662392.pdf
    • https://cdn.shopify.com/s/files/1/0430/7091/4717/files/tizilobonufogunom.pdf
    • https://cdn.shopify.com/s/files/1/0436/9717/6741/files/veterinary_pathology_textbook_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/2556/1757/files/ielts_general_writing_practice_test.pdf
    • https://cdn.shopify.com/s/files/1/0434/7654/9798/files/princess_diana_biography_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/2312/3100/files/resolejuwiroxugososito.pdf
    • https://cdn.shopify.com/s/files/1/0430/9758/7861/files/gazubiwele.pdf
    • https://static.usrfiles.com/ugd/b8c837_04c37b1bc7484417b63b6690df64b62b.pdf
    • https://static.usrfiles.com/ugd/b8c837_07d49d4fb06744a1883f067bfe3d891b.pdf
    • https://static.usrfiles.com/ugd/b8c837_fbb3145d13284905af969e02905472bd.pdf
    • https://cdn.shopify.com/s/files/1/0430/0128/2711/files/lodusabivafanexufuzumolu.pdf
    • https://cdn.shopify.com/s/files/1/0432/1021/1491/files/70829593480.pdf
    • https://cdn.shopify.com/s/files/1/0432/3350/9534/files/valve_developer_wiki.pdf
    • https://cdn.shopify.com/s/files/1/0440/1859/8038/files/1040x_amended_tax_form_2015.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_off000046d5.bin
141bf59cbb35775e60104ac11252ddfaaa7f8e44f69d73b816c39eebdde30897		 pdf-font-stream PDF embedded font (sfnt) at offset 0x46D5 5468 bytes
font_01_sfnt_off00005967.bin
bd002d7acee09fe5315dba4237252fb292594f4539b85e6ee90db850ee6849a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5967 9804 bytes

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