PDF malware analysis — malicious · ed5d9ad2398f472e

MALICIOUS

PDF

34.7 KB Created: 2021-07-03 21:46:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 227743c383053cdaa50148e86e70d074 SHA-1: ab53a2037b0aafdeb11c53ed5e55a03652855903 SHA-256: ed5d9ad2398f472e48d9ceb302c836c90ede1ee18f80909bf3f8cf7a465373cf

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free in-game currency, directing users to a suspicious URL. The ML classifier also flagged this PDF as malicious. The presence of embedded URLs and the nature of the lure suggest a phishing or scam attempt, likely to download further malware or steal credentials.

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.tw/app/431946152/how-to-hack-robux-game-hack PDF link annotation
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-get-free-diamonds-in-roblox-royale-high_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/cursed-roblox-outfits-free_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/hacks-para-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/free-robux-quiz_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/coin-master-hack-2021-android_GM406889139.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/pastebin-roblox-robux-free_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-get-free-clothing-on-roblox_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/free-free-robux_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-hack-a-roblox-account-kazok_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/get-everything-free-in-roblox-catalog_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/http-bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/android-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/roblox-free-online-game-demo_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/coin-master-hack-mod-apk-android-1_GM406889139.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/when-is-john-doe-going-to-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.ati-gulf.com/uploaded_files/userfiles/files/roblox-hack-2021-pastebin_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_off00003001.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3001	22824 bytes
SHA-256: `a0e75f34fd6ad54b5b8bb3cfa8e89409b6218de427102c5a77ca465d6ebbf0f8`
`font_01_sfnt_off000062da.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62DA	18884 bytes
SHA-256: `eabb09a914750731f64ad11a0b688188fe1798403d7ade495959fd69a4976413`

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