Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e69f9e1c51de858…

MALICIOUS

PDF

44.7 KB Created: 2021-06-03 13:37:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 34f1819de7135fb67e24a614592c3e4e SHA-1: 143e6019cbce42d2bb61d277278fa57668c3e985 SHA-256: 0e69f9e1c51de8580386051c8552c6310a2a3adc5c20e4099d56b5ea54150c4a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as "free generator" or "game hack" lures. These links ultimately point to pages offering "free spins" or "hacks" for popular games, a common social engineering tactic. The document's structure and embedded links strongly suggest it's designed to lead users to potentially malicious websites, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/daily-free-spins-on-coin-master-game-hack In PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/easy-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/www-coin-master-hack-tk_GM406889139.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/minecraft-account-hacked_GM479516143.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/coin-master-online-hack_GM406889139.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/free-chest-coin-master_GM406889139.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/get-free-robux-now_GM431946152.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/free-roblox_GM431946152.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/is-free-robux-real_GM431946152.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/apk-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/roblox-redeem-codes-free_GM431946152.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/coin-master-hack-tool-v1-9-download-free_GM406889139.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/hack-minecraft_GM479516143.pdfIn PDF document text
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/huskybuckscom-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_004_off0000503c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x503C 26136 bytes
SHA-256: a20820c2ae5ac1a89247cc19d6d1fb568fdde916e4fcc4382491dd914fcdffd5
font_01_sfnt_off00008c15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C15 18308 bytes
SHA-256: 1bc93d0bdf7bcc9dde046a772a1d5e318036c000a48b0748ebe0e6d1e12db192

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