PDF malware analysis — malicious · ec380348a89a56c4

MALICIOUS

PDF

35.0 KB Created: 2021-07-07 01:51:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20

MD5: 3480a9bcd7def2391eee565267752f9f SHA-1: 8cf29816bf3c8226857948589c2b1dfefb70c244 SHA-256: ec380348a89a56c4ddf40b743608428890c349f1c6ced7a8644901cd4c82fac5

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and free items, specifically targeting Roblox players. It contains embedded links that redirect to known malicious infrastructure, likely to facilitate further exploitation or malware delivery. The presence of a malicious redirector and the nature of the lure strongly suggest a phishing or social engineering attack aimed at tricking users into visiting harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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-get-free-hats-on-roblox-game-hack In PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/free-minecraft-mods_GM479516143.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/roblox-hack-scripts-free_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/how-to-hack-on-roblox-and-get-the-comands_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/how-to-get-free-robux-august-2021_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/free-robux-get_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/free-robux-for-roblox-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/easy-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/how-to-hack-models-into-roblox-t-shirts_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/get-free-gold-cards-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/coin-master-hack-apk-download-2021_GM406889139.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/how-to-get-free-robux-by-playing-roblox-games_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/minecraft-login-free_GM479516143.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/free-roblox-adopt-me-pets_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/roblox-com-robux_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/what-games-give-you-robux_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/how-to-get-free-admin-commands-on-any-game-roblox_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/how-to-hack-roblox-games-on-ios_GM431946152.pdfIn PDF document text
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/counter-blox-roblox-offensive-free-skins-download_GM431946152.pdfIn PDF document text
- https://www.roblox.com/.IIn 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_off000033a0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33A0	22032 bytes
SHA-256: `f5f49db406b2b32f96a5a148d74e694e62f349906d50c8ef376ec770b71f73e2`
`font_01_sfnt_off000063f9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63F9	18920 bytes
SHA-256: `ed9cc6ddef7d1a444e8975af02753321d3e73dce2aace76f17ee3e5b5a163ad0`

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