Malicious PDF — malware analysis report

Static analysis result for SHA-256 7621d866da959806…

MALICIOUS

PDF

43.9 KB Created: 2021-05-19 04:02:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c1da6481cfde107202f327143ea121f8 SHA-1: 740dd26d39d7ea94283bfedf66e2f08e439dde84 SHA-256: 7621d866da95980693cebcfe51857ad2b0d85befaf711026ae5446b267548d27
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link disguised as a 'free generator / game hack' lure, which redirects to a known malicious domain. This indicates a phishing attempt to trick users into visiting a potentially harmful site. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/coin-master-spin-link-today-game-hack In PDF document text
    • https://abqyorkrite.org/images/how-to-make-a-roblox-group-for-free_GM431946152.pdfIn PDF document text
    • https://abqyorkrite.org/images/lazyblocks-com-robux_GM431946152.pdfIn PDF document text
    • https://abqyorkrite.org/images/how-to-get-free-clothes-on-roblox_GM431946152.pdfIn PDF document text
    • https://abqyorkrite.org/images/minecraft-pe-free-download-android_GM479516143.pdfIn PDF document text
    • https://abqyorkrite.org/images/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • https://abqyorkrite.org/images/coin-master-website_GM406889139.pdfIn PDF document text
    • https://abqyorkrite.org/images/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
    • https://abqyorkrite.org/images/coin-master-hack-ios-download-2021_GM406889139.pdfIn PDF document text
    • https://abqyorkrite.org/images/roblox-games-with-free-vip-servers_GM431946152.pdfIn PDF document text
    • https://abqyorkrite.org/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • https://abqyorkrite.org/images/coin-master-hack-2021-apk_GM406889139.pdfIn PDF document text
    • https://abqyorkrite.org/images/free-roblox-followers-generator_GM431946152.pdfIn PDF document text
    • https://abqyorkrite.org/images/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://abqyorkrite.org/images/free-minecraft-maps_GM479516143.pdfIn PDF document text
    • https://abqyorkrite.org/images/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
    • https://abqyorkrite.org/images/minecraft-education-free_GM479516143.pdfIn PDF document text
    • https://abqyorkrite.org/images/coin-master-free-spins--spins_GM406889139.pdfIn PDF document text
    • https://abqyorkrite.org/images/freespinandcoin-blogspot-coin-master_GM406889139.pdfIn PDF document text
    • https://abqyorkrite.org/images/coin-master-free-spins-and-coins-haktuts_GM406889139.pdfIn PDF document text
    • https://abqyorkrite.org/images/coin-master-spin-link-hack_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000045c9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x45C9 25152 bytes
SHA-256: 0e1f31350c35053bf0951a43ba22139d062bb91adb31009b3208dabb81ecc4ab
font_01_sfnt_off00007f04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F04 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off000088ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88EF 18244 bytes
SHA-256: 07d8e2c3dd01b07826262084699e95bc4377ad43729695123e376372715a200b

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