Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b5ff114b303b73c…

MALICIOUS

PDF

45.0 KB Created: 2021-05-17 10:05:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 17e891c9637a37eb56e2573ba0922526 SHA-1: 47a72c602f27cf5481635bb34e77e31a8c9af202 SHA-256: 7b5ff114b303b73c49fbb560708ce76672f2eda3be33d0629b60388df8a480ce
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as "free generator" or "game hack" lures. These links likely lead to further malicious content or phishing pages. The presence of a "download button" heuristic further supports the intent to trick the user into downloading or navigating to malicious resources.

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 https://netcdn.xyz/app/431946152/free-robux-no-verification-needed-game-hack In PDF document text
    • http://make-up-stettler.ch/images/earn-free-robux_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/coin-master-free-spin-bonus_GM406889139.pdfIn PDF document text
    • http://make-up-stettler.ch/images/get-free-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://make-up-stettler.ch/images/coin-master-free-shield_GM406889139.pdfIn PDF document text
    • http://make-up-stettler.ch/images/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/roblox-booga-booga-hack_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/claimrbx-free-robux_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/roblox-printables-free_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/minecraft-tower-defense-hacked_GM479516143.pdfIn PDF document text
    • http://make-up-stettler.ch/images/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://make-up-stettler.ch/images/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/get-robux-com_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/coin-master-free-spin-2912-2021_GM406889139.pdfIn PDF document text
    • http://make-up-stettler.ch/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/roblox-trolling_GM431946152.pdfIn PDF document text
    • http://make-up-stettler.ch/images/free-minecraft-client_GM479516143.pdfIn PDF document text
    • http://make-up-stettler.ch/images/coin-master-hack-online-without-human-verification_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a6a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A6A 28136 bytes
SHA-256: 73fe0dc2a9f17e054a15f9b5677e8802d1f64b9b7a43988e4c3d4547a5bc4888
font_01_sfnt_off00008c43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C43 18776 bytes
SHA-256: d142001b9e8124b93d34dd5eb493ac1502906b177ba9fa7077e4038994baf40d

Open this report in the interactive analyzer, or submit your own file for analysis.