Malicious PDF — malware analysis report

Static analysis result for SHA-256 5064f3a7a7301d04…

MALICIOUS

PDF

45.0 KB Created: 2021-05-17 20:01:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 3e162af555441ad78f5a4d2264c6bcfd SHA-1: 9b96f0565cf2e4379d11d066b6512b9d7428beb9 SHA-256: 5064f3a7a7301d040764a799a683e04d938d7ed159b2b4497434f176a51bfb23
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to external websites that are advertised as 'game hacks' or 'free generators', indicating a lure for potentially unwanted or malicious software downloads. The ML classifier strongly flagged this PDF as malicious. The presence of embedded URLs and the 'game hack redirect lure' heuristic suggest the document's primary purpose is to redirect users to these sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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/479516143/toolbox-apk-game-hack PDF link annotation
    • http://www.dciprotection.ca/images/aimbot-exe-roblox_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • http://www.dciprotection.ca/images/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/free-robux-safe_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/coin-master-hack-tool-no-survey_GM406889139.pdfIn PDF document text
    • http://www.dciprotection.ca/images/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/como-descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
    • http://www.dciprotection.ca/images/free-robux-app_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://www.dciprotection.ca/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/roblox-script-hack_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/how-to-play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://www.dciprotection.ca/images/coin-master-hack-app-for-iphone_GM406889139.pdfIn PDF document text
    • http://www.dciprotection.ca/images/roblox-heroes-online_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/free-coin-master-gifts_GM406889139.pdfIn PDF document text
    • http://www.dciprotection.ca/images/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004c43.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C43 24996 bytes
SHA-256: 0dca70b9ea52c6511d5eb6dd0168c1452b7a1d375e1e9eb6d64826c9f63fae1b
font_01_sfnt_off00008440.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8440 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00008e2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E2A 18048 bytes
SHA-256: 646fad9d756b15d24d99e1fc175dfd3628bdaadc493ae9366c014baed99d5fea

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