Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2296b73591118aa…

MALICIOUS

PDF

43.2 KB Created: 2021-05-11 07:15:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 7b3385a30c42e0696a4aef5b982ea586 SHA-1: 30f5f64824db9e67ba1ff8451009deae94c9066b SHA-256: d2296b73591118aaffffc88db027c2bb8f53127ad38889f4de0fcbf26fd71168
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links, including one identified as a malicious redirector for game hacks. The document body, though partially garbled, contains references to 'Minecraft Mod Updater' and a URL pointing to a game hack generator. This suggests the document is designed to trick users into visiting malicious sites by posing as a game utility or cheat.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/479516143/minecraft-mod-updater-game-hack In PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-get-minecraft-for-free-on-xbox-360_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-free-spins-ios_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/robux-com-free_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/minecraft-tower-defense-2-hacked_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/if-you-delete-minecraft-can-you-redownload-it-for-free_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/coin-master-hacks-for-gold-cards_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/minecraft-pocket-edition-free-ios_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/get-robux-today_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-free-spins-2021-generator_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/buxblast-com-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/get-coin-master-free-spin_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/you-promised-my-son-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-2021-robux_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b69.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B69 26324 bytes
SHA-256: 09a3d7176b8530537a9b9303ada77e4abd33ac713f1322135f07cf27b685d799
font_01_sfnt_off0000868a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x868A 18244 bytes
SHA-256: d5b3e01345ae806e3fb9929e05062337cbc27f38a62a69179378268a2260776d

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