Malicious PDF — malware analysis report

Static analysis result for SHA-256 f504b4f416f90ef9…

MALICIOUS

PDF

39.5 KB Created: 2020-08-16 21:32:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5a57a96af19277a991259e65364a1b69 SHA-1: c36977be2feaa0e19db18f6f0093816445f1c41a SHA-256: f504b4f416f90ef94853cceaa1833fce39ef12f16003ff4678593640b35406c3
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF document contains embedded text and URLs, including a primary link that is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text referencing 'Gba emulator free for windows', suggesting a lure to trick users into clicking the malicious link. The link redirects to 'https://ttraff.ru/pify?keyword=gba+emulator+free++for+windows', which is associated with malicious redirector infrastructure.

Heuristics 2

  • 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.
  • 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=gba+emulator+free++for+windows
    • http://weranagap.mfmetalarts.com/uploads/1/3/1/3/131383893/881232.pdf
    • http://files.connoisseurstours.com/uploads/1/3/1/8/131857071/abaa266e7dc9a.pdf
    • https://cdn.shopify.com/s/files/1/0437/5334/1082/files/bosch_rexroth_hydraulic_cylinders.pdf
    • https://cdn.shopify.com/s/files/1/0433/8355/4206/files/15512255896.pdf
    • https://cdn.shopify.com/s/files/1/0434/7723/7917/files/86126780693.pdf
    • https://cdn.shopify.com/s/files/1/0437/1080/8217/files/23242477112.pdf
    • https://cdn.shopify.com/s/files/1/0434/1579/7917/files/tawosivoxuje.pdf
    • https://cdn.shopify.com/s/files/1/0428/9455/7350/files/45039840298.pdf
    • https://cdn.shopify.com/s/files/1/0430/9565/4567/files/1043727916.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_off00005c47.bin
71c003b423d015b93116014119e0d0f3c163c0c0c0f38b34347924c4d1e9e01b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C47 5316 bytes
font_01_sfnt_off00006e5e.bin
adeea30d44ec9b09eb4ccd5af18c0f3dc60af8a0b08cfb86c8b40b33c075f47f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E5E 10412 bytes

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