PDF malware analysis — malicious · 2fefe9d3dd409f49

MALICIOUS

PDF

36.5 KB Created: 2021-06-19 02:16:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: a5c3e96ccd29a873d450a1477e4daf43 SHA-1: 100e90022abffd7f6ff7c662d7c159790cd901c7 SHA-256: 2fefe9d3dd409f4928cff85950e76afa9dfd186ef4e8e3c34b6e1b179b994ed8

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 0.9980

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-roblox-gift-card-codes-2021-no-human-verification-game-hack PDF link annotation
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-hack-facebook_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/como-instalar-hacks-roblox_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-coins_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/get-free-minecraft-account_GM479516143.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/free-roblox-toy-codes-2021_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/how-to-get-minecraft-bedrock-for-free-with-java_GM479516143.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/cheat-codes-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/rewardrobux-com_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/robuxglobalcom-no-verification_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/good-roblox-hacker-names_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/hacking-someones-robux_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/minecraft-win-10-free_GM479516143.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/extra-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/mcpe-master-unlimited-coins-hack-apk_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/earn-robux-today-earn-robux-today_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/how-do-you-get-roebucks_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/2021-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/earn-robux-by-watching-ads_GM431946152.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/coin-master-unlimited-spins-hack_GM406889139.pdfIn PDF document text
- http://www.waelhamadehgallery.com/uploaded_files/userfiles/files/minecraft-hack-mod_GM479516143.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_off000035bb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x35BB	22196 bytes
SHA-256: `927ddf5c5f899dc90164b843784bb764a197e2b0d1623e3060545538e0434c1c`
`font_01_sfnt_off000066f9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66F9	19984 bytes
SHA-256: `138dad130a7fefe4eed1a33689fa7af7a4e0178ea072c87b4988635c6526a2b3`

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