Malicious PDF — malware analysis report

Static analysis result for SHA-256 beb72584502948f5…

MALICIOUS

PDF

42.0 KB Created: 2021-05-16 21:12:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-31
MD5: cebdd77875b10b93074b8318b4a7a101 SHA-1: 93e9976b33b8ace4fc1c66e3ce0b2864a51c28eb SHA-256: beb72584502948f54c1aa3505c111d3fefed0ab4a75f0ac5cf3d63f3d5709383
200 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

This PDF document employs a lure related to game hacks and free currency, impersonating brands like Facebook and Coin Master. It contains multiple links that redirect to malicious infrastructure, specifically identified as a redirector. The primary malicious link is https://netcdn.xyz/app/406889139/how-do-i-get-free-spins-on-coin-master-game-hack, which is used to funnel users towards potentially harmful content or further exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.xyz/app/406889139/how-do-i-get-free-spins-on-coin-master-game-hack.
  • 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
  • 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/406889139/how-do-i-get-free-spins-on-coin-master-game-hack In PDF document text
    • http://apostolosandreaslemesou.com/images/how-to-get-free-robux-website_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-roblox-passwords_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/is-minecraft-free-on-ps4_GM479516143.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/hack-coin-master-for-iphone_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-roblox-generator_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-minecraft-worlds_GM479516143.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/roblox-adopt-me-free-pets_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/how-to-get-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-spins-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/coin-master-hack-ios-12_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/coin-master-free-spin-today-2021_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/coin-master-spin-rewards_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/rbx-sites_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/how-to-hack-a-minecraft-server_GM479516143.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/daily-free-spin-link-in-coin-master_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/coin-master-heaven-free-spins_GM406889139.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
stream_003_off00004af6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AF6 24164 bytes
SHA-256: d6cf5e909a0d3dcfc01da205805bb22fa97e1ce3b604969c75c6e2e9c14174d2
font_01_sfnt_off0000822a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x822A 18216 bytes
SHA-256: 7b3dc5054b0587ec41e602859ac4e59ac97ec46c9406b1b4182074b4d7a08153

Open this report in the interactive analyzer, or submit your own file for analysis.