Malicious PDF — malware analysis report

Static analysis result for SHA-256 acc6d5dabc87539d…

MALICIOUS

PDF

44.3 KB Created: 2020-08-16 17:28:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d450d56348d49fa54800d43cab58eb9 SHA-1: 3aa9404e85265bee6c3dddba6353bf44bddb650f SHA-256: acc6d5dabc87539d9f23a7c649e739e91e159808f8b183fc5baaff441257b261
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates a malicious redirector link, specifically 'https://ttraff.com/pify?keyword=game+ps2+untuk+android+tanpa+emulator', which is likely used to redirect users to malicious content. The document body also contains this URL, suggesting it's the primary lure. The presence of numerous other links, many hosted on cdn.shopify.com, suggests a link farm or SEO poisoning tactic to distribute the malicious URL.

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=game+ps2+untuk+android+tanpa+emulator
    • http://files.teresaruchdesigns.com/uploads/1/3/1/4/131438055/870135.pdf
    • http://files.chadfranzenmedia.com/uploads/1/3/0/8/130874379/3dca9fdf45df4e.pdf
    • http://files.pulaskibasketball.com/uploads/1/3/0/7/130739169/3bb8cc6bfc5.pdf
    • http://ditagav.londoncdt.co.uk/uploads/1/3/1/4/131453832/nexevi-pararezet-luginev.pdf
    • http://files.edhgs.com/uploads/1/3/1/4/131408529/lujaremokike_nezuki_derunelizaxeti_kelabij.pdf
    • https://cdn.shopify.com/s/files/1/0433/6753/0657/files/what_is_microsoft_works.pdf
    • https://cdn.shopify.com/s/files/1/0437/0425/4615/files/28866725264.pdf
    • https://cdn.shopify.com/s/files/1/0432/6467/1909/files/types_of_inventory_vouchers_in_tally_erp_9.pdf
    • https://cdn.shopify.com/s/files/1/0431/9353/2573/files/bginfo_windows_10.pdf
    • https://cdn.shopify.com/s/files/1/0433/7447/7464/files/84036088335.pdf
    • https://cdn.shopify.com/s/files/1/0432/6899/7286/files/xulumujivagol.pdf
    • https://cdn.shopify.com/s/files/1/0437/2057/3080/files/goligipoxipumolakasisa.pdf
    • https://cdn.shopify.com/s/files/1/0432/6876/7912/files/4390538336.pdf
    • https://cdn.shopify.com/s/files/1/0433/0507/4838/files/fipob.pdf
    • https://cdn.shopify.com/s/files/1/0437/1152/9114/files/lotitaniwibawovumusilub.pdf
    • https://cdn.shopify.com/s/files/1/0433/5671/7205/files/miracle_matilda_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0435/2802/8312/files/88435151977.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_off00006ec2.bin
2ee5358e0007e7878638bae7499efb47ae129eec5fd649a61d2383245b025baa
pdf-font-stream PDF embedded font (sfnt) at offset 0x6EC2 5332 bytes
font_01_sfnt_off000080d1.bin
9fb9fab2dbde3b530152086c89fad170eb7d690b25c67483a82e10edb31e2ff0
pdf-font-stream PDF embedded font (sfnt) at offset 0x80D1 10432 bytes