PDF malware analysis — malicious · ed0966794c6caccc

MALICIOUS

PDF

34.2 KB Created: 2021-06-20 04:05:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 54b9aec03a54aaf1fcba6b6783f6ce5e SHA-1: dcfc7f751c6eb0e3d2d709e07b248a8b703b5548 SHA-256: ed0966794c6cacccd5d5f4c305ec6bcdb774ab311140f0fc334ac187cec53adc

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a common lure of 'free Robux' for the game Roblox to entice users into clicking a malicious link. The link, http://netcdn.co/app/431946152/free-robux-roblox-how-to-get-game-hack, likely leads to a phishing site or a download of further malicious content. The ML classifier strongly indicated maliciousness, and the PDF structure contains multiple embedded URLs pointing to similar scam-related content.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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/free-robux-roblox-how-to-get-game-hack PDF link annotation
- https://www.mpos-organs.com/uploads/files/files/dead-mist-2-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/free-robux-on-ipad_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/hack-de-coin-master_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/coin-master-hacker-club_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/pop-slots-free-vegas-casino-slot-machine-game-coin-master_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/how-to-get-free-robux-on-chromebook_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/how-to-download-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/coin-master-free-spins-link-blogspot-april-2021_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/lazyblocks-com-robux_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/free-robux-on-iphone_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/coin-master-free-spins-apk_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/rbxoffer-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/free-robux-discord_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/getrobux-come_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/free-robux-no-human-verification-and-no-survey_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
`font_00_sfnt_off0000306c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x306C	21868 bytes
SHA-256: `c3365a1ab9770b4e8c8f12c170f78bd04e79caf5a609c08321a76c75e6b77569`
`font_01_sfnt_off0000607f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x607F	19056 bytes
SHA-256: `88cf7f6ec236ea59774b3c8f8a747295ce80d30c4056ccdf0f2b0da340097b4a`

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