PDF malware analysis — malicious · a8adca3274b2af07

MALICIOUS

PDF

42.8 KB Created: 2021-05-13 04:34:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 11cb95857d83cf64b6a52f73542b113d SHA-1: 715339855e970f27581333801722e540e9ae72b6 SHA-256: a8adca3274b2af07a2b85386e6bb666614de881502e1f9a1ee2f3014178c1ed8

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple links, including one pointing to a 'coin-master-hack-apk' URL, and is flagged by heuristics as a game hack redirect lure. The presence of a visual download button further supports the lure. The document's primary purpose appears to be directing users to external sites offering game cheats or hacks, which is a common social engineering tactic to distribute malware.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/coin-master-hack-apk-july-2021-game-hack PDF link annotation
- http://plastic-surgery.pl/images/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-spins-and-coins-com_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/will-minecraft-dungeons-be-free_GM479516143.pdfIn PDF document text
- http://plastic-surgery.pl/images/minecraft-pe-hack-client-2021_GM479516143.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-real-free-spins_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/roblox-sign-in-free_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/roblox-help-free-robux_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-exchange-40-free-spins_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/www-coinmaster-com_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/roblox-speed-hack_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-offline-hack_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-hack-download-ios_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-robux-clothes_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-minecraft-java-edition-codes_GM479516143.pdfIn PDF document text
- http://plastic-surgery.pl/images/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/wurst-client-download_GM479516143.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_off00004c50.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C50	24336 bytes
SHA-256: `b660b458bf4c7aee813627c70a03a0e35710847e02a362fd35494d49a477e229`
`font_01_sfnt_off00008329.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8329	18856 bytes
SHA-256: `e99766a1a0b67468f3491ceb7ac95e225ca21799f54ecffa1d342ccadf1fb563`

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