PDF malware analysis — malicious · 12844523330eb394

MALICIOUS

PDF

50.4 KB Created: 2021-06-13 16:40:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 0c59850713d248a1bcbc9ca5c570189b SHA-1: dc6b2fdc54ecbf76b95b73326c68de31f9e5f7ed SHA-256: 12844523330eb3945fd0c2f9fa136d7f2722a8dda92c88fb799fa194808d4075

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 0.9769

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 http://netcdn.co/app/431946152/get-free-robux-com-game-hack PDF link annotation
- https://mtsn1siak.com/__statics/gudangsoal/files/minecraft-bedrock-client_GM479516143.pdfIn PDF document text
- https://www.mtsn1siak.com/__statics/gudangsoal/files/free-robux-hack_GM431946152.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
- https://www.mtsn1siak.com/__statics/gudangsoal/files/robux-hack-me_GM431946152.pdfIn PDF document text
- https://www.mtsn1siak.com/__statics/gudangsoal/files/are-eny-bo-tys-free-in-roblox_GM431946152.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/roblox-executor-free_GM431946152.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/free-spins-coin-master-march-2021_GM406889139.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/minecraft-hack-download_GM479516143.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/coin-master-free-spins-may-11-2021_GM406889139.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/coin-master-free-spin-whatsapp-group-link_GM406889139.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/minecraft-the-complete-handbook-collection_GM479516143.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/coinmaster-rewards_GM406889139.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/daily-coin-master-free-spin-link-facebook_GM406889139.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/roblox-promo-codes-generator-no-human-verification_GM431946152.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/free-rixty-codes-roblox-2021_GM431946152.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/how-to-get-free-tiktok-followers_GM835599320.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/how-to-hack-someones-roblox-account-2021_GM431946152.pdfIn PDF document text
- https://mtsn1siak.com/__statics/gudangsoal/files/can-you-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005072.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5072	30772 bytes
SHA-256: `d4d278af927968a0caf1e5b2ea3096deba98ace1187f9795e43afdd1406dbb06`
`font_01_sfnt_off00009825.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9825	2816 bytes
SHA-256: `4555740682277f0055d57b15bd0ba953e5b51415ea3d21c93db391eace072d4f`
`font_02_sfnt_off0000a236.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA236	18376 bytes
SHA-256: `2d8882c6a342abc4889e46f94bfee9f8cbf5538b2f5dc41d172000db9622f481`

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