PDF malware analysis — malicious · 9e54d50b2defc886

MALICIOUS

PDF

42.0 KB Created: 2021-05-20 05:53:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 39f2c6cdffc12165476c66f6cc66c0a0 SHA-1: 14d2218c19609ac71c9d1108958f3921a3f84624 SHA-256: 9e54d50b2defc886aaae7b949b70e3a3a84c2ddbb9ccb6a27c25b9617997c6ab

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

PDF links to a 'free generator / game hack' redirector high 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.
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
External URI info PDF_URI

PDF contains an external URL action
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/play-minecraft-for-free-game-hack PDF link annotation
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/roblox-old-avatar_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/minecraft-mod-menu-apk_GM479516143.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/100-free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-minecraft-thumbnails_GM479516143.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/coin-master-collect-today-free-spin_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/roblox-assassin_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/how-to-get-daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-star-codes-roblox_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/coin-master-pc-hack-download_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/minecraft-pe-mod-menu_GM479516143.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/https-iosgodscom-topic-20214coinmasterhack_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_off00004a2f.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A2F	24912 bytes
SHA-256: `3097c921c09a8778395c819fd4bbedb01adbdb514663c33da2aad822e2a16db3`
`font_01_sfnt_off00008293.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8293	18116 bytes
SHA-256: `58506b39f0592aa293a22e76cdd5d8324130a94bf097dc81d26ff216ea8060f4`

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