Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ff50b947bbe2c48…

MALICIOUS

PDF

34.6 KB Created: 2021-07-03 13:27:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: e7ff4ddce7362bf0975a8ce206f63e3a SHA-1: aae60f7daa7ff955b697c64c31f6bbe44481001a SHA-256: 7ff50b947bbe2c48d7eea46296c04c26d5fbd9a0d97751efbbaaf65923f705cd
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game items and hacks to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, which likely serves as a gateway to further malicious content or malware. The document's content and embedded URLs strongly suggest a phishing or scam campaign aimed at users interested in popular games.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/406889139/real-free-spins-for-coin-master-game-hack In PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/will-minecraft-dungeons-be-free_GM479516143.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/tiktok-for-free-online_GM835599320.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/robux-free-c_GM431946152.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/free-minecraft-for-kids_GM479516143.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/free-google-play-promo-codes-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/roblox-got-talent-piano-hack_GM431946152.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/xbox-roblox-free-items_GM431946152.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/free-roblox-faces-names_GM431946152.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-no-fb-login_GM406889139.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-on-chromebook-for-free_GM479516143.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/free-minecraft-windows-10-with-java_GM479516143.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/roblox-fun-robux_GM431946152.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/roblox-tix-generator_GM431946152.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/coin-master-hack-spin-generator_GM406889139.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://elearning.man3boyolali.sch.id/__statics/gudangsoal/files/coin-master-free-spin-link-list_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
font_00_sfnt_off000030f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30F4 23020 bytes
SHA-256: 127f141b50909c85615107638a9d8fbf27312d7a0157484dd1e3458e57388342
font_01_sfnt_off000064df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64DF 18248 bytes
SHA-256: 21d3170220f3590b44ad8e755b68ab0b5d7ffbf8ab222618a819137e05414fa8

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