Malicious PDF — malware analysis report

Static analysis result for SHA-256 eea98bc6d054b2d5…

MALICIOUS

PDF

45.3 KB Created: 2020-08-23 08:15:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8c519c1a22c582d60041cc3ffb766e20 SHA-1: eed5de5910a286516712ce1195c9f9e6267871d4 SHA-256: eea98bc6d054b2d51a7500c390b770d633072fb81b096968b9d3322f41140896
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits characteristics of a PDF SEO link farm, with numerous links to PDF files hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains references to 'Adobe after effects 2015 trial' and the malicious URL, suggesting a lure to download or access potentially compromised software. The primary attack vector appears to be social engineering via a deceptive link within the PDF.

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=adobe+after+effects+2015+trial
    • http://files.heartnhands.org/uploads/1/3/0/9/130969357/vixobejim_pofafibulixos_bomumutenijaj.pdf
    • https://cdn.shopify.com/s/files/1/0434/7586/1656/files/zugorinizizakopatopen.pdf
    • https://cdn.shopify.com/s/files/1/0431/7508/4193/files/dutawi.pdf
    • https://cdn.shopify.com/s/files/1/0440/0683/4334/files/wulejemalev.pdf
    • https://cdn.shopify.com/s/files/1/0429/7320/0537/files/gujaxevilafitojesibazulis.pdf
    • https://cdn.shopify.com/s/files/1/0432/5936/3496/files/bienestar_animal_bovinos.pdf
    • https://cdn.shopify.com/s/files/1/0432/8875/6374/files/teaching_english_for_kindergarten.pdf
    • https://cdn.shopify.com/s/files/1/0430/3932/6365/files/najiwudabolupajejas.pdf
    • https://cdn.shopify.com/s/files/1/0432/9439/2485/files/xovegifibuwajimiri.pdf
    • https://cdn.shopify.com/s/files/1/0433/5117/9416/files/a_case_in_point_book.pdf
    • https://cdn.shopify.com/s/files/1/0452/4130/3202/files/german_grammar_cases.pdf
    • https://cdn.shopify.com/s/files/1/0435/6990/5825/files/82330341775.pdf
    • https://cdn.shopify.com/s/files/1/0437/1123/4197/files/bagosag.pdf
    • https://cdn.shopify.com/s/files/1/0428/4389/8022/files/personal_finance_5th_edition_jeff_madura.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_off000064df.bin
ddfb97c78cc916ffd621b844d91e119190e8f1818ce09d70729460a447761abf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64DF 5596 bytes
font_01_sfnt_off000077fd.bin
d2cb9fbf53225bef6470c4d876c8af23e5f38b54a97e258413d29baa5d7e1027		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77FD 19004 bytes

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