Malicious PDF — malware analysis report

Static analysis result for SHA-256 215470d6f999ea84…

MALICIOUS

PDF

42.9 KB Created: 2021-06-03 06:07:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 7448c529718b2b3354aa236a4015bb0e SHA-1: a9ece6d9fe86d510cf5a45e7ecafd06fbcd260d9 SHA-256: 215470d6f999ea84c277d2353284489c073dc0e6605dd64f126f30de10c70b93
102 Risk Score

Malware Insights

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

The PDF document contains multiple external links, including one specifically flagged as a 'game hack' lure. The document body, though heavily obfuscated, contains references to game hacks and directs users to URLs that are likely part of a phishing or scam campaign. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9874

Heuristics 5

  • 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.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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.online/app/1094591345/pokemon-go-free-qr-code-game-hack PDF link annotation
    • http://katalog.ireyogya.org/repository/roblox-girl_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-hack-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/hacks-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-hack-coin-master-in-pc_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-tiktok-bots_GM835599320.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/minecraft-java-account-free_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/no-human-verification_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-free-spin-today-2021_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-make-a-minecraft-client_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/minecraft-free_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/hack-coin-master-using-cheat-engine_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/pig-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/claim-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-glitch-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/hack-xp-net-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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004d4e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D4E 24440 bytes
SHA-256: eff5aa8efe89224424a30e29928534d3167fab5fa3f4f3578eaeb2c96d0d5f36
font_01_sfnt_off00008566.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8566 18176 bytes
SHA-256: 61c8e133842533fe5af4350188e203c62840c6d7b27d1fafde7a6de503b9a2d8

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