Malicious PDF — malware analysis report

Static analysis result for SHA-256 7550164e0122545c…

MALICIOUS

PDF

42.4 KB Created: 2021-05-17 01:55:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 27edea8adba3df150ede4588a53fb997 SHA-1: f8de6f19e17d967693cd87e70ccc25bef5257af7 SHA-256: 7550164e0122545c2a4db0e7dfb4baac6c485553802da88ad1dee5a00efeffdb
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains multiple links to known malicious redirectors, including one that masquerades as a 'free game hack' for Minecraft. The document body, though partially corrupted, contains text related to game hacks and a URL pointing to the malicious infrastructure. The presence of these links and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/479516143/is-minecraft-education-edition-free-game-hack In PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/roblox-hacked-accounts-list_GM431946152.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/is-there-a-way-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/coin-master-free-download-pc_GM406889139.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/claim-free-robux_GM431946152.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/free-minecraft-gift-card_GM479516143.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/free-online-games-like-minecraft_GM479516143.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/roblox-hair-for-free_GM431946152.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/optifine-pe_GM479516143.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/free-roblox-gift-card_GM431946152.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/coin-master-free-generator_GM406889139.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/coin-master-hack-without-verification-code-2021_GM406889139.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/add-robux_GM431946152.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/coin-master-heaven_GM406889139.pdfIn PDF document text
    • http://chocolats-boccardi-carcassonne.com/images/coin-master-game-free-spin_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
font_00_sfnt_off00004b36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B36 25300 bytes
SHA-256: eac5c06c026681a9d22128332ff27972c8d3343fd6f7080e81557a6e3cf3a042
font_01_sfnt_off00008457.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8457 18024 bytes
SHA-256: 860599eb2378c11ce9f069b8b1214934614c40beead093e3b25ec1c42f286d72

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