Malicious PDF — malware analysis report

Static analysis result for SHA-256 d997d282c4d501cf…

MALICIOUS

PDF

42.3 KB Created: 2021-05-11 09:05:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2765b54ca2378b2323c38086e9c78393 SHA-1: 589ff624cffd32a5e1a264d1b37e38ec07ed0997 SHA-256: d997d282c4d501cf8f87bb650e50afc1f6d0dfd46122030960e7e9106b14ba2a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs that redirect to potentially malicious content, masquerading as game hacks and free generators. The heuristic firings indicate that these links point to known malicious redirector infrastructure. The document body, though partially garbled, also contains references to these lures and URLs, reinforcing the social engineering aspect.

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/406889139/how-to-hack-coins-in-archery-master-3d-game-hack In PDF document text
    • https://ccej.lviv.ua/images/coin-master-free-attack_GM406889139.pdfIn PDF document text
    • https://ccej.lviv.ua/images/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://ccej.lviv.ua/images/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
    • https://ccej.lviv.ua/images/free-foxy-food-coin-master_GM406889139.pdfIn PDF document text
    • https://ccej.lviv.ua/images/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
    • https://ccej.lviv.ua/images/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • https://ccej.lviv.ua/images/free-robux-no-verification_GM431946152.pdfIn PDF document text
    • https://ccej.lviv.ua/images/coin-master-free-spins-link-iphone_GM406889139.pdfIn PDF document text
    • https://ccej.lviv.ua/images/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • https://ccej.lviv.ua/images/2021-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://ccej.lviv.ua/images/roblox-tix-generator_GM431946152.pdfIn PDF document text
    • https://ccej.lviv.ua/images/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • https://ccej.lviv.ua/images/coin-master-daily-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • https://ccej.lviv.ua/images/level-coin_GM406889139.pdfIn PDF document text
    • https://ccej.lviv.ua/images/where-can-i-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://ccej.lviv.ua/images/coin-master-hack-tool-without-verification_GM406889139.pdfIn PDF document text
    • https://ccej.lviv.ua/images/haktuts-free-spins_GM406889139.pdfIn PDF document text
    • https://ccej.lviv.ua/images/how-to-get-free-robux-website_GM431946152.pdfIn PDF document text
    • https://ccej.lviv.ua/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://ccej.lviv.ua/images/roblox-hackprogamers-com_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_off00004839.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4839 24968 bytes
SHA-256: a4fff4e5f00092277e3577c6ca1bb68f9a5c1eb3d885a6327f3f3f2e813535b2
font_01_sfnt_off00008205.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8205 18572 bytes
SHA-256: 4500fe29ddf1d7d9300f1962a48dd2bba7805d525d10eea9ff3dae6e1a1b44ac

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