PDF malware analysis — malicious · 1bd489d8876a2ef7

MALICIOUS

PDF

43.8 KB Created: 2021-05-11 09:17:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 64d419c91945d760cde275b5873b13ab SHA-1: c70d25217b3799e7cd7ebaeda2359734820d12fb SHA-256: 1bd489d8876a2ef7761a0fee2e5d42155d710429ebeafa3b8793b48f3a698675

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and free currency, as indicated by the document body and critical heuristic firings. It contains multiple embedded URLs that redirect to malicious infrastructure, specifically a link to 'coin-master-hack-no-human-verification-2021-game-hack'. The primary malicious action observed is the redirection to external, potentially harmful content, likely as part of a phishing or scam campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/coin-master-hack-no-human-verification-2021-game-hack In PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/hack-coin-master-2021-pc_GM406889139.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/coin-master-free-foxy-food_GM406889139.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/how-to-get-free-robux-without-email_GM431946152.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/coin-master-free-spins-daily-link-updated_GM406889139.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/roblox-games-with-free-vip-servers_GM431946152.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/free-spins-on-coin-masters_GM406889139.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/coin-master-mod-apk-unlimited-spin-download-free-full-version_GM406889139.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/minecraft-hack-ios_GM479516143.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/roblox-lawsuit_GM431946152.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/free-robux-without-survey_GM431946152.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
- https://www.fotokad.ae/uploaded_files/userfiles/files/free-coin-master-cards_GM406889139.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.

Filename	Kind	Source	Size
`stream_003_off00004bed.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BED	25916 bytes
SHA-256: `696b6f70e8161f858b0edcdf07f2006b1069775d4d77d6aadd93ec46205f2443`
`font_01_sfnt_off000087c3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x87C3	18652 bytes
SHA-256: `a8ac93ce14fdca52a5b6c8b5e666cce4eecb8a0a07e33e24ccf8b934d9dd8f42`

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