Malicious PDF — malware analysis report

Static analysis result for SHA-256 275ed3c8bf616255…

MALICIOUS

PDF

45.1 KB Created: 2021-05-16 01:22:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0db9007aa1f7ef9d36efc444a9511055 SHA-1: d4dc1304fb16df0b307a8f8db73724e8de8b67ac SHA-256: 275ed3c8bf6162553874bac0ba5106adee861c50cadecfa133506cfb47383415
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and game hack generators, indicating a lure to potentially malicious content. The presence of a visual download button further supports the deceptive nature of the document. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect users to external sites that likely host malware or phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9621

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/roblox-points-game-hack In PDF document text
    • http://ivalor.fr/images/coin-master-hack-co_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/i-didnt-get-my-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-hack-without-verification-code-2021_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/how-to-get-roblox-credit-for-free_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/play-minecraft-pocket-edition-for-free_GM479516143.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-free-fire_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://ivalor.fr/images/minecraft-tower-defense-2-hacked_GM479516143.pdfIn PDF document text
    • http://ivalor.fr/images/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-level-4_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/free-robux-scams_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/free-robux-card-codes_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/is-coin-master-free_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/easy-robux-hack_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/free-robux-hack-us_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-unlimited-spin-and-coin-hack_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/roblox-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/best-free-spin-app-for-coin-master_GM406889139.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000046ae.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46AE 25756 bytes
SHA-256: 6cf4b247b8fae56dd6e950f3339604ae75e4fa5ab663c839e022b9b8eca722a9
font_01_sfnt_off00008086.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8086 4056 bytes
SHA-256: e5cedf3be2670e55305206fd3ce531cfae7e3a0b4198a98f4e4c68e913424f1d
font_02_sfnt_off00008dec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DEC 18160 bytes
SHA-256: a57327a258e3f03f6c415903b67d078454eac437ea2773aceae9ab9387be6de9

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