PDF malware analysis — malicious · 43acc69191c49124

MALICIOUS

PDF

43.2 KB Created: 2021-05-31 01:09:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 47861cbc3260a6d801ae5cc09f1d5fbf SHA-1: ad334acb6bd51eaa80d371301bcb9a08ffa261c1 SHA-256: 43acc69191c49124af7f84d6730ff082f4af515bab4a253e49eeb0eec2e1abd2

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 0.9969

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/minecraft-free-app-game-hack PDF link annotation
- https://scit-tech.ro/wp-content/uploads/fsqm-files/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/roblox-free-robux_GM431946152.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/minecraft-free_GM479516143.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/roblox-password-hacker_GM431946152.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/minecraft-redeem-code-free_GM479516143.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/minecraft-building-hacks_GM479516143.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/free-fans-on-tiktok_GM835599320.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/make-free-robux_GM431946152.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/free-minecraft-codes_GM479516143.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/how-to-get-free-tiktok-likes_GM835599320.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/tiktok-fans-free_GM835599320.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/how-to-get-free-coins-on-tiktok_GM835599320.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://scit-tech.ro/wp-content/uploads/fsqm-files/robux-free-com_GM431946152.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_off0000474d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x474D	29132 bytes
SHA-256: `ceda447af3540b749ecb7580d03c5c0f327dd333064605b793c18ef3193243ba`
`font_01_sfnt_off0000886a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x886A	17744 bytes
SHA-256: `e23e7214a96fe4b3d719dc72cd7ebffceaaf9130bd2cd2fd107204a9a2f0c3c7`

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