Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cbe0595342cf23e…

MALICIOUS

PDF

43.3 KB Created: 2021-05-15 09:03:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 3b9e34002b686ce3486a8d3506d6e2d6 SHA-1: 2781996078d8a9b7a039a9275ff23e88b03005ff SHA-256: 7cbe0595342cf23ec2da78d34681f694772a8f94ddd89a07bb53b40843a314f0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains multiple links that redirect to malicious infrastructure, disguised as game hack generators. The document body and embedded links suggest a lure for free in-game currency or cheats, which is a common social engineering tactic. While no scripts were directly extracted, the PDF structure and embedded URLs indicate a malicious redirector chain designed to lead users to potentially harmful content.

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/406889139/free-coin-master-spins-for-today-game-hack In PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/coin-master-free-spins-2021-generator_GM406889139.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/what-are-points-for-in-roblox_GM431946152.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/is-there-a-way-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/how-to-earn-robux_GM431946152.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/coin-master-hack-pc-2021_GM406889139.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/how-to-free-robux_GM431946152.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/blox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/free-robux-today_GM431946152.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/coin-master-rewards-app_GM406889139.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://elearningma.darmuj.sch.id/__statics/gudangsoal/files/bux-life-free-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_off00004e17.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E17 25000 bytes
SHA-256: 42ec83c53d6d3958721b2d71a5b7c04a739e06b579b81d9ed4e35850167462be
font_01_sfnt_off000086ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86EC 18240 bytes
SHA-256: d9df8dbe390422ec07dea5627d06a62d2b41ea66987ed2cc99465e4bed745e59

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