PDF malware analysis — malicious · 5a3606636a86a33b

MALICIOUS

PDF

44.7 KB Created: 2021-05-11 04:07:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 3682ff345d1a580c7ebda317598c6258 SHA-1: fb1103a926b4d52f881086c79cd844f8651a497c SHA-256: 5a3606636a86a33b81858c038285aca2a43cd89c28281fb98c40eb6330ec9ba6

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free currency, directing users to a malicious URL. The ML classifier strongly indicates maliciousness, and the embedded URLs suggest a phishing or scam attempt. No scripts were extracted, but the document's structure and embedded links are indicative of a social engineering attack.

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 https://netcdn.xyz/app/431946152/how-to-actually-get-free-robux-game-hack PDF link annotation
- https://www.simplenepaltravel.com/userfiles/files/robux-download_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/how-to-get-free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-spins-coin-master-links-blogger_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-minecraft-skins-xbox-one_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-minecraft-mods-for-xbox-one_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/pig-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/instagram-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/minecraft-redeem-code-free-2021_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/hack-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/roblox-hacked-accounts-list_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/lastrick-com-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-minecraft-client_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/links-for-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/robux-get-com_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/hacks-roblox_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/roblox-report-hacker_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/robux-hack-no-verification_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
`stream_003_off00004c02.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C02	27288 bytes
SHA-256: `f11bd4d5052205609e72f48d10d0b1602274a25c271a41eabd4d605128f697db`
`font_01_sfnt_off00008b1f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B1F	18764 bytes
SHA-256: `380379838da7ba69723634981f8e24f026256aff947d3d13a6d99450b2ab0cc3`

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