Malicious PDF — malware analysis report

Static analysis result for SHA-256 92e1d61fee7fdf66…

MALICIOUS

PDF

49.2 KB Created: 2020-08-06 15:17:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a96e33d0dadac5cf28cc840daff5023 SHA-1: 3c95c12b0c2d3c6041ece57b644041809ed65702 SHA-256: 92e1d61fee7fdf66598466f3a8dee8141f583535dd83eeea1e03374bcd7d70f0
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely intended to lead the user to a malicious site. The document body and embedded links suggest a lure related to 'arbitrage trading' to entice clicks. The PDF also hosts a large number of links to other PDFs, potentially for SEO manipulation or to spread 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=arbitrage+trading+pdf
    • http://files.communityplanningishere.org/uploads/1/3/1/4/131437889/dajimirumedis-xitukep-xeluzuz-gopafimeno.pdf
    • http://files.backwaterenterprises.com/uploads/1/3/0/9/130969982/3237818.pdf
    • http://files.willowbendsoapshop.com/uploads/1/3/0/8/130874067/dopiladamenewasutera.pdf
    • http://files.michigangreenschools.us/uploads/1/3/0/7/130775219/demagokonixa.pdf
    • http://files.neurokitchen.org/uploads/1/3/1/1/131164095/vufuzujo-lenurexukalo-faxabodaz.pdf
    • https://cdn.shopify.com/s/files/1/0431/7364/2406/files/bsf_group_leader_manual.pdf
    • https://cdn.shopify.com/s/files/1/0436/7450/1285/files/39166537601.pdf
    • https://cdn.shopify.com/s/files/1/0430/4008/0021/files/13404517687.pdf
    • https://cdn.shopify.com/s/files/1/0431/7144/6939/files/levezupopanunef.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66916333827.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73807437975.pdf
    • https://cdn.shopify.com/s/files/1/0430/7540/3929/files/jigurokexilafonen.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jazaw.pdf
    • https://cdn.shopify.com/s/files/1/0436/0034/7299/files/14842863755.pdf
    • https://cdn.shopify.com/s/files/1/0432/6037/9286/files/bozotudepejefixin.pdf
    • https://cdn.shopify.com/s/files/1/0428/8364/5599/files/diloverunufaditeviroson.pdf
    • https://cdn.shopify.com/s/files/1/0429/5180/3039/files/diablo_2_installer.pdf
    • https://cdn.shopify.com/s/files/1/0431/6332/0469/files/tilarewetuwejomudefobu.pdf
    • https://cdn.shopify.com/s/files/1/0434/4378/1792/files/fatagane.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000074ac.bin
dfda34a52dbef6ea426a455fc85a56a6fa71e97e12769989a5562f397f1c6483
pdf-font-stream PDF embedded font (sfnt) at offset 0x74AC 4808 bytes
font_01_sfnt_off00008506.bin
661c9b85936e0a662279f126ef681f8f3fefad4b99ad98ab9208264c4d908446
pdf-font-stream PDF embedded font (sfnt) at offset 0x8506 10812 bytes
font_02_sfnt_off0000a986.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0xA986 4324 bytes