Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b0a9f40f7ed34c7…

MALICIOUS

PDF

45.1 KB Created: 2021-05-19 01:43:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 35ab815011c320a88ec4ce5167beecc7 SHA-1: 257f6299c78666ca4ed3d667e98f5303ce60f577 SHA-256: 2b0a9f40f7ed34c7c8a3bd3644eb1092b19d41e14c4ef904fb1f54dc58429914
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically advertising a "Pokemon Go Free 2021 Game Hack". The ML classifier also flagged this PDF as malicious. The primary IOC is the redirector URL, which likely serves as a gateway to a further malicious payload or phishing page.

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/1094591345/pokemon-go-free-2021-game-hack In PDF document text
    • https://www.campguru.co.za/images/roblox-games-with-free-radio_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/free-spin-link-of-coin-master_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/how-to-get-real-robux_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/free-minecraft-codes_GM479516143.pdfIn PDF document text
    • https://www.campguru.co.za/images/new-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/coin-master-free-stuff_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/free-spins-coin-master-links-blogspot_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/coin-master-spin-link-free-download_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
    • https://www.campguru.co.za/images/coin-master-hack-without-human-verification-india_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/grab-points-login_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/give-free-robux_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/minecraft-hacks-pc_GM479516143.pdfIn PDF document text
    • https://www.campguru.co.za/images/download-apps-for-robux_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/roblox-fun-com-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004bae.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BAE 24604 bytes
SHA-256: 8938d452bfe01fc3b654ca70796be8942808f1c8efaecd8ed2c523c54a9ebf4c
font_01_sfnt_off00008417.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8417 2920 bytes
SHA-256: 601c50867a41b9362538ff18e5f9479a0f9badf698aaf1eb7e88469c11719db7
font_02_sfnt_off00008e31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E31 18244 bytes
SHA-256: ce560656002eaeeebf9859d6ffd03370841fb3c356b1f54e2779c4f1c2011ee2

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