PDF malware analysis — malicious · b5fe54aa1a38e739

MALICIOUS

PDF

46.3 KB Created: 2021-06-11 10:26:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 2cb15185bdd1e66c80c86b4d066ff6c3 SHA-1: 4cf1a7509b2e2af981723be06eec0664a478e053 SHA-256: b5fe54aa1a38e739033ceee6568cc8092f5a4884ed30e08fa8669fb01979dda5

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 0.9832

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.tw/app/835599320/free-tiktok-followers-no-human-verification-or-survey-2021-game-hack PDF link annotation
- http://www.raneenmed.com/uploaded_files/userfiles/files/pubg-uc-gift-card-free_GM1330123889.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/best-minecraft-hacks_GM479516143.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/how-to-get-free-daily-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/hacked-roblox-game_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/how-many-levels-are-in-coin-master_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/roblox-free-wings_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today-ios_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-golden-card-hack_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-vip-server-on-roblox-jailbreak_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/robux-generator-no-survey_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/minecraft-xbox-360-free_GM479516143.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/como-hackear-coin-master-2021-espaol_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/roblox-2021-free-robux-give-away_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_004_off00004f61.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4F61	28348 bytes
SHA-256: `9c4b3492ad39ab42623ae7759b503a668f281c0559909cbfb89282005c9467ad`
`font_01_sfnt_off0000900a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x900A	19152 bytes
SHA-256: `c6aae516a535c20688ad74e4aa12997c302b82eea592ee03757e951f101f6a27`

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