Malicious PDF — malware analysis report

Static analysis result for SHA-256 106e7ae3f2f2c02d…

MALICIOUS

PDF

41.3 KB Created: 2021-05-14 05:01:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2d0edff07a62d5db5013f159c5f5670d SHA-1: 343c55c9cebede9980427b214f7360f17f90c806 SHA-256: 106e7ae3f2f2c02daa1a1f49346303547344314e3396feb89e261e5b1029c137
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links designed to lure users into clicking on what appears to be a 'free generator' or 'game hack'. One primary link, 'https://netcdn.xyz/app/431946152/roblox-help-free-robux-game-hack', is identified as a known malicious redirector. The document body and embedded URLs strongly suggest a social engineering tactic to drive traffic to potentially malicious sites, likely for credential harvesting or malware distribution. No scripts were extracted, but the PDF structure and embedded links are indicative of a phishing or scam attempt.

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/431946152/roblox-help-free-robux-game-hack In 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-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/free-robux-no-password_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/hack-download_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/free-vip-server-roblox_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/how-to-get-free-pets-in-adopt-me-roblox_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/roblox-com-r_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/coin-master-hack-app-2021_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/coin-master-hacks-for-iphone_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/freerobux-co_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/card-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.campguru.co.za/images/hack-minecraft_GM479516143.pdfIn PDF document text
    • https://www.campguru.co.za/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/games-that-can-be-hacked_GM431946152.pdfIn PDF document text
    • https://www.campguru.co.za/images/how-to-hack-people-on-roblox_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_off0000465d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x465D 24680 bytes
SHA-256: 3137beb3807ebd451b7c37b6b9edef88ca440ecf3ad95d5b3e574952eebf8df0
font_01_sfnt_off00007ef2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EF2 18264 bytes
SHA-256: 4686decc205f725eac2af31d2bb610515d085fb80a4fbb870416018a21b04127

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