Malicious PDF — malware analysis report

Static analysis result for SHA-256 5632e5448f0a13a1…

MALICIOUS

PDF

44.2 KB Created: 2021-06-03 14:05:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 92b1487c584f5e59528797244d2d6323 SHA-1: e95fec792ac4b62120da9ac4b465ce6e8afa9108 SHA-256: 5632e5448f0a13a17b86e5f17e1c151f96c95ff0194540a492fbd35df7aa770d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to known malicious infrastructure, specifically promoting 'game hacks' and 'generators'. The presence of a visual download button lure further supports the malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or social engineering attack aimed at tricking users into visiting malicious sites, likely to download further malware or engage in scams.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/coin-master-hack-without-human-verification-game-hack In PDF document text
    • http://pustaka.bbppketindan.info//repository/coin-master-unlimited-spin-apk-free-download_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/free-minecraft-thumbnails_GM479516143.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/how-to-get-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/coin-master-game-hack-link_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/free-robux-accounts_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/minecraft-account-hacked_GM479516143.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/pokemon-go-free-to-download_GM1094591345.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/minecraft-for-ps3-free_GM479516143.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/my-minecraft-account-was-hacked_GM479516143.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/roblox-2021-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/free-coin-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/free-robux-kid-friendly-no-human-verification_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_004_off000050d1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50D1 24480 bytes
SHA-256: 13b72ac2c61cdbe1788f7bb57ed125d37228bc428b0e6e8e4cbf95162faf0ecc
font_01_sfnt_off0000892d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x892D 18612 bytes
SHA-256: b6df35e58b3d03c831acea42dd002f528f3a27ace110b51459232ab570837101

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