Malicious PDF — malware analysis report

Static analysis result for SHA-256 09e9c5a8ebd369d9…

MALICIOUS

PDF

41.9 KB Created: 2021-05-14 02:31:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0040e2d9160c04a1f38ff3ab754c8815 SHA-1: 7dbcc119d8ab1b5f183230a70ab2b5edf0ddfa02 SHA-256: 09e9c5a8ebd369d939363b453fd54cca21a98dd2efdd4c75a6abbcb564ca8860
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains links that are flagged as malicious redirectors, specifically leading to a 'free generator / game hack' lure. The document body and embedded URLs reinforce this theme, aiming to trick users into clicking through to potentially harmful content. No scripts were extracted, but the presence of malicious links and the lure suggest a phishing or scam attempt.

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/create-minecraft-server-free-game-hack In PDF document text
    • http://stpc.it/images/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/como-hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/how-to-exploit-roblox_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/haktuts-coin-master_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/roblox-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/free-minecraft-addons_GM479516143.pdfIn PDF document text
    • http://stpc.it/images/coin-master-fan-page-free-spins_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/where-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/free-accessories-roblox_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/coin-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/free-apk-mod-coin-master_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/minecraft-dungeons-free-download-pc_GM479516143.pdfIn PDF document text
    • http://stpc.it/images/coin-master-free-spins-cash_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/free-coin-master-gift-link_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/how-to-hack-robux_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/free-roblox-printables_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/roblox-18_GM431946152.pdfIn PDF document text
    • http://stpc.it/images/coin-master-free-spin-27_GM406889139.pdfIn PDF document text
    • http://stpc.it/images/roblox-robux-generator-http-freerobuxgenerator-xyz_GM431946152.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_off00004959.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4959 25468 bytes
SHA-256: 2661b3932522288d8c5d1f1a6dc8c807e59701c1eb2364a8bafcde712d10cea9
font_01_sfnt_off0000831c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x831C 17684 bytes
SHA-256: 739dfd09c5bedc98bb46a6c5718dfc06afa6391c84dc1b066bb71172f329b46c

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