Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fed71d3e880fb55…

MALICIOUS

PDF

43.9 KB Created: 2021-05-13 07:15:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d0d467bd5eaf073f3d42a0b97debaa75 SHA-1: 0368ed950f54608eea991842b6a668049f74fffc SHA-256: 6fed71d3e880fb5587e78cecec59ff38757f24e4afa4f3afc0da5759f750d149
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and cheats. The document body and embedded URLs indicate a lure for users seeking advantages in games like Coin Master and Roblox. The primary goal appears to be directing users to potentially harmful websites through these deceptive links.

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-hack-2021-game-hack In PDF document text
    • https://itv-grabungen.de/images/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • https://itv-grabungen.de/images/coin-master-hack-extension_GM406889139.pdfIn PDF document text
    • https://itv-grabungen.de/images/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • https://itv-grabungen.de/images/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://itv-grabungen.de/images/coin-master-free-daily-rewards_GM406889139.pdfIn PDF document text
    • https://itv-grabungen.de/images/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • https://itv-grabungen.de/images/get-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://itv-grabungen.de/images/how-to-make-a-minecraft-client_GM479516143.pdfIn PDF document text
    • https://itv-grabungen.de/images/minecraft-world-free-download_GM479516143.pdfIn PDF document text
    • https://itv-grabungen.de/images/minecraft-for-macbook-free_GM479516143.pdfIn PDF document text
    • https://itv-grabungen.de/images/avatar-the-last-airbender-roblox_GM431946152.pdfIn PDF document text
    • https://itv-grabungen.de/images/rbx-earn_GM431946152.pdfIn PDF document text
    • https://itv-grabungen.de/images/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • https://itv-grabungen.de/images/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://itv-grabungen.de/images/coin-master-free-spins-and-coins-link-haktuts_GM406889139.pdfIn PDF document text
    • https://itv-grabungen.de/images/roblox-redeem-codes-free_GM431946152.pdfIn PDF document text
    • https://itv-grabungen.de/images/coin-master-spin-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://itv-grabungen.de/images/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://itv-grabungen.de/images/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
    • https://itv-grabungen.de/images/is-there-a-free-version-of-minecraft_GM479516143.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_off00004758.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4758 24268 bytes
SHA-256: 49237aeefaf7268d2401696cd13b5343ea8853ec2befbe04a9c91f5ce2be0570
font_01_sfnt_off00007ed7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ED7 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off000088c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88C1 18296 bytes
SHA-256: eaa60ab3b9dbdc46d7aef4d77b4227c1d0aeb4180c3635ae77be6ae4ebf58c24

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