PDF malware analysis — malicious · d724bba102b94b28

MALICIOUS

PDF

40.8 KB Created: 2021-05-13 20:12:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 75f4511790ec54a8206e9fd73a609822 SHA-1: a98ef8df6728ecfbef809cc41afe86be75a8f825 SHA-256: d724bba102b94b28a078f0ba8547943eb2cc139dd268f0dcea638dca02da2eaa

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/406889139/coin-master-on-facebook-game-hack PDF link annotation
- http://parafia-nspj-lebork.pl/images/hack-coin-master-2021_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/coin-master-money-hack_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/coin-spin-link_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/i-robux_GM431946152.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/roblox-money-hack_GM431946152.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/static-moonactive-net-link_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/how-to-sue-roblox_GM431946152.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/coin-master-daily-free-spin-and-coin_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/free-spins-on-coin-master-cheat_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/real-coin-master-hack_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/get-free-spins-on-coin-master-links_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/roblox-cp_GM431946152.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/coin-master-official-website_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/coin-master-daily-free-spins-link-today-2021-free_GM406889139.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/robux-best_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_off000045d1.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x45D1	25116 bytes
SHA-256: `32dd66ffbdd7dae52943e1cf18fd9da65d0da2df0a4a6ee03ee42e6dc007c6c8`
`font_01_sfnt_off00007da5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DA5	18040 bytes
SHA-256: `05dbdd16effe8c1ee272b572c92cf938ac8812b7bce12264ce344bdfed4f92f7`

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