Malicious PDF — malware analysis report

Static analysis result for SHA-256 9529450ea8351f2c…

MALICIOUS

PDF

44.0 KB Created: 2021-05-12 22:39:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: a879da5d4da7e2e2bb43dd8ae94f1e82 SHA-1: 9c2bc67e8ee7a498d373ff92ebc6b6b7b654b7cf SHA-256: 9529450ea8351f2c7f3cc5432c141cb3fdc1c6f57cb2621b1bf003d26367cf5d
102 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a primary external URI, all pointing to sites offering game hacks and cheats, indicating a lure for users to download potentially malicious files. The presence of a visual download button and payment redirection lure heuristics further supports the malicious intent, likely aimed at tricking users into downloading malware or engaging in phishing activities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 5

  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://netcdn.xyz/app/431946152/mobihack-roblox-hack-game-hack PDF link annotation
    • http://www.salwangurgaon.com/files/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/get-more-robux_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/get-robux-com_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/free-coin-master-gold-cards_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/wurst-client_GM479516143.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/coin-master-mod-apk-unlimited-spin-download-free-full-version_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/coin-master-hack-no-survey-or-verification_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/robux-com-free_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/how-to-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004a02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A02 27508 bytes
SHA-256: f60815b6c492cb1bb82e99ac2ce483824809aad06e9bbb6b28257b1a3ab10be9
font_01_sfnt_off00008898.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8898 18664 bytes
SHA-256: d288d15c1916950328fb714ac92034fecf93cb41bb8e66b8d5651844f64bc7ec

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