PDF malware analysis — malicious · f6c0adff06b95fb2

MALICIOUS

PDF

43.0 KB Created: 2021-05-19 18:57:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: ec3dc656e1c6fa9f8526c3487aeaaa7d SHA-1: 9289a0356ff6b46daace94e3b505a24918af3c96 SHA-256: f6c0adff06b95fb22835df2bc694c72eb963eaf06470239ff3e9fb7c81d8dbca

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 0.9971

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/479516143/minecraft-windows-10-free-with-java-game-hack PDF link annotation
- http://itc-nekretnine.hr/files/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/minecraft-hacked-client-bedrock_GM479516143.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/coin-master-free-coins-amp_GM406889139.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/get-me-robux-for-free_GM431946152.pdfIn PDF document text
- http://itc-nekretnine.hr/files/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
- http://itc-nekretnine.hr/files/coin-master-free-spins-2021-link_GM406889139.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- http://itc-nekretnine.hr/files/free-online-generator-for-coin-master_GM406889139.pdfIn PDF document text
- http://itc-nekretnine.hr/files/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
- http://itc-nekretnine.hr/files/coin-master-hack-ios-2021_GM406889139.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/pubg-uc-number_GM1330123889.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/cute-free-stuff-on-roblox_GM431946152.pdfIn PDF document text
- http://itc-nekretnine.hr/files/free-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/daily-coin-master-free-link_GM406889139.pdfIn PDF document text
- http://itc-nekretnine.hr/files/roblox-com-www_GM431946152.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/free-roblox-templates_GM431946152.pdfIn PDF document text
- https://www.itc-nekretnine.hr/files/como-hackear-el-juego-coin-master-en-espaol_GM406889139.pdfIn PDF document text
- http://itc-nekretnine.hr/files/free-robux-for-kids-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_off000048fb.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48FB	26076 bytes
SHA-256: `9d4264bf12fcf5b5e15dfaeecdac8d83edee211fd64774305d4824cac26cb8f2`
`font_01_sfnt_off000083d6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83D6	18972 bytes
SHA-256: `ec0d7e7957d6d3ec4a312ebe7c12434b242d64f4f861d318395950ba1ef4cb73`

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