Malicious PDF — malware analysis report

Static analysis result for SHA-256 d13a4860c4f55ac3…

MALICIOUS

PDF

38.0 KB Created: 2020-08-02 19:46:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f8ee04985f7e3f75aa23f3f08463c3d SHA-1: 5da169da6599b7cadd467c50947ab37f4900c92b SHA-256: d13a4860c4f55ac3e84079ea9233facea8a232591bd91250fb5185220df78125
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific redirector URL, indicating a malicious intent to direct users to external content. The primary redirector URL, 'https://ttraff.ru/pify?keyword=dmv+ny+forms', suggests a lure related to DMV forms, likely for phishing or scam purposes. The presence of numerous links hosted on cdn.shopify.com and other domains points to a coordinated effort to distribute 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.ru/pify?keyword=dmv+ny+forms
    • http://files.gaiteway.org/uploads/1/3/1/4/131407796/duvofo_bufojabi_mawoxa.pdf
    • http://files.kanelaandcompany.com/uploads/1/3/1/4/131406473/3117593.pdf
    • http://kozomupo.danyellscakes.com/uploads/1/3/1/8/131856161/fc0ea0e75f.pdf
    • https://cdn.shopify.com/s/files/1/0432/5317/0334/files/notefasaxoke.pdf
    • https://cdn.shopify.com/s/files/1/0438/0898/1153/files/xikezuxamilugenureso.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejupabofutub.pdf
    • https://cdn.shopify.com/s/files/1/0427/8140/9436/files/ridagazilagaduni.pdf
    • https://cdn.shopify.com/s/files/1/0432/0778/6657/files/26420510035.pdf
    • https://cdn.shopify.com/s/files/1/0431/0712/3357/files/89714485266.pdf
    • https://cdn.shopify.com/s/files/1/0431/8131/0101/files/17423821706.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7407/files/31422997216.pdf
    • https://cdn.shopify.com/s/files/1/0434/5423/4785/files/77413300693.pdf
    • https://cdn.shopify.com/s/files/1/0433/0638/5568/files/pixibisudawobigafajavaxot.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_off000057a7.bin
5c61a1d69a090afb229d3073fb113688354b5f5a7561c7dd683eef227fcc06a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57A7 4832 bytes
font_01_sfnt_off0000681b.bin
91175c7f937ee389f464494d465d3d7f107063a47d9e0912d4a29c75997f4a1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x681B 10488 bytes

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