PDF malware analysis — malicious · eadf78eed3a0c27b

MALICIOUS

PDF

48.7 KB Created: 2021-06-03 03:32:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 009b2853a7d9b9fc886ca688a5b5e33a SHA-1: 188f88f9630b9ad919a1c72e05d79084b5166dc5 SHA-256: eadf78eed3a0c27bcb40e58876c4352bced008a519491f52b1b68757924b39bb

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 0.9796

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.online/app/479516143/my-minecraft-account-was-hacked-game-hack PDF link annotation
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-no-apps_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/robux-free-com_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-hack-spin-link_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-win-free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-time-speed-hack_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-card-collection-link_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-hacker-club_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/roblox-promo-codes-generator-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-hack-a-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-free-spins-link-2021-twitter_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/minecraft-bedrock-edition-free-with-java_GM479516143.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-giveaway_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-daily-free-spins-blog_GM406889139.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
`stream_004_off0000537f.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x537F	27984 bytes
SHA-256: `7cd1ef7d6fe8fdb779d9e879ad9bfa394e937b60eaefdde841d6b558ae13d169`
`font_01_sfnt_off0000913c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x913C	2820 bytes
SHA-256: `96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689`
`font_02_sfnt_off00009adc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9ADC	18572 bytes
SHA-256: `8fcc029f3058febc4000d5efca0362144e4b81fd53f2a26dc97808c5095a664d`

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