Malicious PDF — malware analysis report

Static analysis result for SHA-256 0588dca223d8878f…

MALICIOUS

PDF

42.9 KB Created: 2021-05-16 22:29:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ac186a577ed4fae7fb46d56d2f36df35 SHA-1: 270b090406bc8fddeb819b4704305f21d3c006e2 SHA-256: 0588dca223d8878f0214adfa7448a1b41929226774a55f4e7c00818dc14f079d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links to known malicious redirector infrastructure, specifically advertising 'free generators' and 'game hacks'. The document body, though partially corrupted, contains a prominent URL that aligns with the heuristic findings. This suggests the primary goal is to trick the user into visiting a malicious site, likely to download further malware or engage in fraudulent activity.

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/get-free-minecraft-account-game-hack In PDF document text
    • http://interpretation-dessins-enfants.net/images/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/coin-master-daily-free-spin-and-coin-link_GM406889139.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/minecraft-hacks-xbox-one_GM479516143.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/roblox-free-play-no-download_GM431946152.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/coin-master-gold-cards-hack-2021_GM406889139.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/coin-master-free-cards-hack_GM406889139.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/roblox-hacks-and-cheats_GM431946152.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/legit-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/free-minecraft-coins_GM479516143.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/how-to-get-free-chest-in-coin-master_GM406889139.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/free-arsenal-hacks_GM431946152.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/coin-master-generator-hack_GM406889139.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/how-to-hack-coin-master-game-without-root_GM406889139.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/free-roblox-intros_GM431946152.pdfIn PDF document text
    • http://www.freenom.comHeyIn 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_off00004d3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D3F 25340 bytes
SHA-256: b1e841b245853f5d088c7eec34235cb271945f2dcffe59376ff334263d25b2e4
font_01_sfnt_off000086b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86B7 17848 bytes
SHA-256: 6ca58bbc5c252d5e4a1aca958c959d63db43c13a52b94ea2f1ea4654af3c8c31

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