Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a9146b29d30f5d6…

MALICIOUS

PDF

40.8 KB Created: 2021-05-19 15:11:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: cc6fcfbbd8962e538988346b2e091eb1 SHA-1: e9199cd7a3789b0bccbe6afe723a179d1a659ac6 SHA-256: 8a9146b29d30f5d688e5a9d86f95196d95f5b9e2d655f75c778b08139eb8d2c7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links designed to lure users into clicking on what appears to be a game hack or generator. One of these links, https://netcdn.xyz/app/1094591345/pokemon-go-free-eggs-game-hack, is identified as a known malicious redirector. The document body and embedded URLs suggest a social engineering tactic to trick users into visiting potentially harmful sites, likely leading to further malware downloads or phishing attempts.

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/1094591345/pokemon-go-free-eggs-game-hack In PDF document text
    • http://www.my-travel.com.hk/upload/files/lazyblocks-com-robux_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/coin-master-unlimited-spin-link_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/coin-master-download_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/how-to-make-your-own-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/earnrobux_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/coin-master-fan-page-free-spins_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/coin-master-hack-mobile_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/minecraft-hax-download-no-virus_GM479516143.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/aimbot-download-roblox_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/coin-master-hacks-2021_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/free-robux-hack-us_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/free-links-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/is-minecraft-free-on-nintendo-switch_GM479516143.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_off00004874.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4874 23620 bytes
SHA-256: e4095656c07a34385750c521a4bf6c0be4f02551c66bd4186e69712a3e359aba
font_01_sfnt_off00007d93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D93 18128 bytes
SHA-256: 81eaff1318b3b1a80036fb72d4d25bf366c02dd9e67364e1e42097537934d957

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