Malicious PDF — malware analysis report

Static analysis result for SHA-256 80a7026c42973f95…

MALICIOUS

PDF

42.0 KB Created: 2021-05-16 12:38:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5372169c426309498c3d43c08c5a024a SHA-1: dfef43895845eb839ca7beb0db70e37442243a4f SHA-256: 80a7026c42973f955efb0ece860757bc422667de387aa153c7584dac6e7f42ba
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of free game currency and hacks to entice users to click on embedded links. The primary link directs to a known malicious redirector infrastructure, which likely serves as a gateway to further malicious content or downloads. The document body and extracted URLs reinforce this phishing pretext, aiming to trick users into visiting potentially harmful sites.

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/free-coins-and-spins-for-coin-master-game-game-hack In PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/free-coin-master-cheats_GM406889139.pdfIn PDF document text
    • http://africanearthgroup.com/uploads/files/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://africanearthgroup.com/uploads/files/files/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • http://africanearthgroup.com/uploads/files/files/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/minecraft-free-edition_GM479516143.pdfIn PDF document text
    • http://africanearthgroup.com/uploads/files/files/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/roblox-hack-me_GM431946152.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
    • http://africanearthgroup.com/uploads/files/files/websites-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/roblox-script-hack_GM431946152.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://africanearthgroup.com/uploads/files/files/coin-master-free-spins-links-app_GM406889139.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/spin-coin_GM406889139.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://africanearthgroup.com/uploads/files/files/minecraft-svg-images-free_GM479516143.pdfIn PDF document text
    • http://www.africanearthgroup.com/uploads/files/files/wurst-client-download_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049d4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49D4 24476 bytes
SHA-256: dde9756796945d05cabba6302640ba127f5853ad4745840bc69819059c1a352a
font_01_sfnt_off000081b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81B3 18320 bytes
SHA-256: 2c95db8d02702652075be8f6568e083e0c31fb28563b2fbbcaccc1dd0c48c672

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