Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecbc2422d0e3767e…

MALICIOUS

PDF

41.9 KB Created: 2020-08-20 13:05:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 93a5942810c47ad22b745625c3ee52a4 SHA-1: a03b580c89ef6251d872695afb017f70a2799872 SHA-256: ecbc2422d0e3767e930bc03a91a582c993cfe6226d19637ab73426c00f08cd1e
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=business+card+template+microsoft+word+2010'. This URL is embedded within the document body, disguised as a template for Microsoft Word. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The primary malicious link likely serves as a lure for phishing or malware distribution.

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/pify?keyword=business+card+template+microsoft+word+2010
    • http://savagam.sharrisdesigns.com/uploads/1/3/0/7/130775934/3c147990131.pdf
    • https://cdn.shopify.com/s/files/1/0439/3595/7147/files/personality_color_test_red_blue_green_yellow.pdf
    • https://cdn.shopify.com/s/files/1/0433/3810/5000/files/26623748701.pdf
    • https://cdn.shopify.com/s/files/1/0434/0069/1862/files/difference_between_adverse_selection_and_moral_hazard.pdf
    • https://cdn.shopify.com/s/files/1/0435/8638/8136/files/babarolisuxa.pdf
    • https://cdn.shopify.com/s/files/1/0435/0777/7702/files/59830389575.pdf
    • https://cdn.shopify.com/s/files/1/0448/4333/5837/files/geometry_shapes_names.pdf
    • https://cdn.shopify.com/s/files/1/0438/0177/2192/files/terraria_black_lens.pdf
    • https://cdn.shopify.com/s/files/1/0431/9716/9824/files/domepilalix.pdf
    • https://cdn.shopify.com/s/files/1/0434/3490/1660/files/layunin_ng_akademikong_pagsulat.pdf
    • https://cdn.shopify.com/s/files/1/0431/5450/5885/files/38330916437.pdf
    • https://cdn.shopify.com/s/files/1/0434/4548/5725/files/personal_statement_for_university.pdf
    • https://cdn.shopify.com/s/files/1/0429/9443/4207/files/75665795260.pdf
    • https://cdn.shopify.com/s/files/1/0433/2008/2590/files/fujuwituti.pdf
    • https://cdn.shopify.com/s/files/1/0434/2287/5797/files/add_text_to_windows.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_off0000654d.bin
fd6b7e46393e7889bcebc42136d906e63c893e815abe4b569837a03cfb1612a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x654D 5768 bytes
font_01_sfnt_off000078ed.bin
ed71c4c28810ec4332a681ce927e98c7610e603df7e7f0bf7e608818de1398a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78ED 9948 bytes

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