Malicious PDF — malware analysis report

Static analysis result for SHA-256 be631be2811002d0…

MALICIOUS

PDF

47.7 KB Created: 2020-08-09 00:40:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 69b669604697c12c785b7f3938bf6bef SHA-1: 104f9f4e4e74b21c88e21593fb8f4fb3782feb08 SHA-256: be631be2811002d02b0e26d8eac8bd7b34388b4a686589d92cedb3d201236ac5
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 pointing to 'https://ttraff.com/pify?keyword=boxing+fitness+training+pdf'. This URL is likely part of a phishing or scam campaign, attempting to redirect users to malicious content under the guise of a boxing fitness training PDF. The document also contains a large number of external links, many pointing to Shopify domains, which is indicative of a link farm used for SEO manipulation or to host further malicious 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/pify?keyword=boxing+fitness+training+pdf
    • http://files.gilfordphysicaltherapy.com/uploads/1/3/1/1/131164176/jinixupimaxape_bebavasuzox_zepufu.pdf
    • http://files.columbusmichael.org/uploads/1/3/0/8/130874111/daguxenenusira.pdf
    • http://furabetal.berkshirephotographydesign.com/uploads/1/3/1/3/131380158/tesugufesoxozexupo.pdf
    • http://files.choosethetaste.com/uploads/1/3/0/7/130739525/591bbb2418d.pdf
    • https://cdn.shopify.com/s/files/1/0433/3718/7493/files/22863921150.pdf
    • https://cdn.shopify.com/s/files/1/0428/0382/2755/files/bomazanosusonuwusezini.pdf
    • https://cdn.shopify.com/s/files/1/0433/0163/4213/files/pokemon_insurgence_friend_safari.pdf
    • https://cdn.shopify.com/s/files/1/0432/2131/9839/files/wigininirutolifefuju.pdf
    • https://cdn.shopify.com/s/files/1/0435/4985/1811/files/9581439660.pdf
    • https://cdn.shopify.com/s/files/1/0432/9806/2501/files/pump_efficiency_curve.pdf
    • https://cdn.shopify.com/s/files/1/0440/9029/4437/files/rufafubisozaxonedet.pdf
    • https://cdn.shopify.com/s/files/1/0429/1877/2903/files/puwifezonuso.pdf
    • https://cdn.shopify.com/s/files/1/0431/7957/3408/files/ata_chapter_25.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xibirinadinabamagumib.pdf
    • https://cdn.shopify.com/s/files/1/0431/8239/1451/files/35483123187.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_off00007cb4.bin
a9a9c5e925dc38c51e3345e740e9f9fd28e48cc18727ec9080a2848b62464c63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CB4 5296 bytes
font_01_sfnt_off00008ed9.bin
a02c65320fa17231d3b8a009d71179095a62a1b71cbce28652c177bdc84c237d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8ED9 10288 bytes

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