PDF malware analysis — malicious · 1bdc869592002e75

MALICIOUS

PDF

53.7 KB Created: 2021-05-19 14:56:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 18817f815aa168a157e61ab893eda777 SHA-1: bd0301b0af860889e1a6224735caff8a868f2732 SHA-256: 1bdc869592002e7573d4657a53e7bb404d83a2e4b3b5affcfb433cc7083d4dfa

168 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains links to known malicious redirectors, specifically promoting 'game hacks' and 'free generators' as a lure. The document body, though partially corrupted, contains references to these lures and embedded URLs. The primary attack pattern involves tricking users into clicking these links, likely leading to further malicious content or malware downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.8795

Heuristics 5

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.
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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/479516143/minecraft-pe-hack-client-game-hack In PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/coin-master-hack-without-verification-or-downloading-apps_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/how-to-get-free-coins-in-minecraft_GM479516143.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/coin-master-hack-pro-gamers-com_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/free-robux-cards_GM431946152.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/coin-master-exchange-40-free-spins_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/free-spin-link-in-coin-master-game_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/coin-master-hack-apk-35-8_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/free-spins-for-coin-master-that-work_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/tiktok-free-download-for-pc-windows-7_GM835599320.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/free-hacks-for-coin-master_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/coin-master-free-spins-link-2021-march_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/coin-master-offline-hack_GM406889139.pdfIn PDF document text
- https://travelsurabayajogja.com/ckfinder/userfiles/files/robux-com-free_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004c36.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C36	25648 bytes
SHA-256: `bc1e0e3a782df5863dc2232b931a62ee49d5a9a5ad609f2438e39a0d4c1aee9d`
`font_01_sfnt_off00008799.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8799	8180 bytes
SHA-256: `d0d1066d93e27f7a63fc3f6bfee1361926066b9e654c1ec0ae58f0c128102486`
`font_02_sfnt_off0000a15e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA15E	4648 bytes
SHA-256: `17828df2cb4c9bf431d00796bb8b5767dce9910e6e33f58db9f956f7c1a9c66b`
`font_03_sfnt_off0000b119.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB119	17968 bytes
SHA-256: `a1bdeaf7b929e0321b1dbbf2b8f1cbdbbbd0c833166bb9e07af12e4b4538f125`

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