PDF malware analysis — malicious · 59244e48980b173a

MALICIOUS

PDF

46.3 KB Created: 2021-05-19 23:03:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: e16bf8db7963a4e70dbbe195fdeaa519 SHA-1: ca279c9e69241fa333e5318ccae8937e1cde4598 SHA-256: 59244e48980b173a9b745f15cec0d2652049c030766a45f021fe8dae572e144a

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links, with a primary focus on 'free spins' and 'game hacks' for popular games. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' and the embedded URL strongly indicate a social engineering attempt to direct the user to a potentially malicious site. While no scripts were explicitly extracted, the nature of the lure and the presence of numerous external links suggest a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9278

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/406889139/free-spins-on-coin-master-without-human-verification-game-hack PDF link annotation
- https://ethraa.ae/userfiles/files/roblox-games-to-play-for-free_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-minecraft-java-account_GM479516143.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/como-hackear-coin-master_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/how-to-get-spins-for-free-on-coin-master_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-coin-master-spins-links-2021_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/coin-blogspot_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/tiktok-free-iphone-12_GM835599320.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-spins-coin-master-2021-glitch_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/game-hunters-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/how-to-get-minecraft-bedrock-for-free-with-java_GM479516143.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/i-need-robux_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/hack-roblox-players_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/2021-free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/minecraft-free-download-pc_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004a7b.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A7B	25816 bytes
SHA-256: `ca05a2668d4b5edfdc236e10373f032b7b0437a917fe9f65d400b63860053eae`
`font_01_sfnt_off000085e1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85E1	3400 bytes
SHA-256: `4b3e0f36ad1e0c7e3ea5c178fd2b4f097d1e01575fc6a4101a8b520db34dfe07`
`font_02_sfnt_off0000910a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x910A	18784 bytes
SHA-256: `960842b6fe33ab0647d2f84e57a2bd0982928fead2374cfcf5cb9148229d7a4f`

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