Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbe6035ee20355ab…

MALICIOUS

PDF

46.5 KB Created: 2021-05-12 03:06:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a2a3cf093f4da9370a39650de43a79d1 SHA-1: bbeed936a2a97f6672c2c6355e45750c7768fca6 SHA-256: bbe6035ee20355ab92efa4456543b041ae2a77d4fbc124de9f299911e26466e0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and lures users with promises of free game currency. The primary redirector URL is https://netcdn.xyz/app/431946152/how-do-i-get-free-robux-on-roblox-game-hack, which is designed to lead users to potentially harmful content. The document body and heuristics indicate a social engineering tactic to trick users into clicking malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

Heuristics 4

  • 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.
  • 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/431946152/how-do-i-get-free-robux-on-roblox-game-hack In PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-free-spin-and-trading_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/minecraft-mod-menu_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/best-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/make-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/june-29-coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-fan-page-facebook_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-group-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/hack-coin-master-game_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-minecraft-domain_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-make-a-group-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-exploits-for-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-free-link_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-332-apk-free-download_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-hacks-for-spins_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-install-free_GM431946152.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_off00004a3f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A3F 25908 bytes
SHA-256: 37664792a1742c7160ad153db9ca33496261dcf10573c4d65f047c036905bcc7
font_01_sfnt_off000085f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85F0 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00009297.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9297 18524 bytes
SHA-256: 4ccd670e6a0bad46446eeab730d71d218c542e1f5d690955267ad9a8693a3722

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