Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d99e6de8c349988…

MALICIOUS

PDF

45.6 KB Created: 2021-06-06 23:53:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 00d9495124e453facd6d328102eebca7 SHA-1: 51ea8003141ba469b7cd94488399466dde753468 SHA-256: 6d99e6de8c34998804d8db86982e4a3efd34b079c42ad4178b344881fbc29986
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to malicious infrastructure, specifically promoting game hacks and generators. The ML classifier also flagged this PDF as malicious. The presence of multiple links to potentially unwanted content suggests a phishing or scam attempt, likely to trick users into downloading further malware or visiting compromised sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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.tw/app/431946152/best-roblox-cheats-game-hack In PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/coin-master-free-spins-links-2021_GM406889139.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/tiktok-free-view-iphone-horizontally_GM835599320.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/free-spin-and-coin-blogspot_GM406889139.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/coin-master-hack-ios_GM406889139.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/synapse-roblox-free_GM431946152.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/kupang/repository/coin-master-hacked-apk-download-for-android_GM406889139.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/archery-master-3d-unlimited-coins-hack_GM406889139.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/ciawi/repository/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/kupang/repository/como-hackear-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/roblox-install-free_GM431946152.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/roblox-lawsuit_GM431946152.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/kupang/repository/free-minecraft-skins-pc_GM479516143.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/kupang/repository/coin-master-hack-version-2021-download_GM406889139.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/roblox-redeem-codes-free_GM431946152.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/kupang/repository/pokemon-go-free-healing_GM1094591345.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/wurst-commands_GM479516143.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/ciawi/repository/free-24-7-minecraft-server_GM479516143.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/kupang/repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/ciawi/repository/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://lib.bppsdmp.pertanian.go.id/main/repository/roblox-fun-com-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

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_004_off000053bc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x53BC 25528 bytes
SHA-256: 917d00faa65e64a594672b16afbf24276f3b5253da198c4697291d2466ccac36
font_01_sfnt_off00008f7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F7C 18280 bytes
SHA-256: 3ba43959381ef371fa939f589ea193a4e78b6de56ae1058d4d1ba9e5e14a0921

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