Malicious PDF — malware analysis report

Static analysis result for SHA-256 692be0abed350c94…

MALICIOUS

PDF

41.9 KB Created: 2021-05-11 03:23:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8e191667b28d76224d6d7d72b795d38b SHA-1: 7af0c3dcdb6a613019cb040a69253baaa1611bd7 SHA-256: 692be0abed350c946dbc9bf5fe002e588d5f7d50c0bd47c50bf1c8bd1547587f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that point to known malicious redirectors and lure users with promises of game hacks and free currency. The ML classifier also flagged this PDF as malicious. The document body, though partially corrupted, contains references to these lures and the malicious URL. No scripts were extracted, but the presence of malicious links strongly indicates an intent to redirect users to harmful content.

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/get-free-coin-master-coins-game-hack In PDF document text
    • http://ordineavvocatitempio.it/images/free-robux-link_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/minecraft-java-edition-free-download_GM479516143.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/how-do-you-get-roebucks_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/how-to-get-free-spins-on-coin-master-without-verification_GM406889139.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/best-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/minecraft-hacks-wurst_GM479516143.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/roblox-got-talent-piano-hack_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/my-minecraft-account-was-hacked_GM479516143.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/hack-coin-master-game-apk_GM406889139.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/how-to-get-free-robux-website_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/coin-master-connection-lost_GM406889139.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/orewards-com-free-robux_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/how-do-you-get-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://ordineavvocatitempio.it/images/minecraft-the-complete-handbook-collection_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_off00004a47.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A47 24648 bytes
SHA-256: f6d2ad4a7066494d7c79697b5c91c3b458c3d003305be2e935f0df8a1a6f23a2
font_01_sfnt_off0000830a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x830A 17712 bytes
SHA-256: 21945d37724c890dd621455a00f6108c8bb3199d41d839a53701429653b6b663

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