PDF malware analysis — malicious · c5c132dc2e7ca8f7

MALICIOUS

PDF

43.5 KB Created: 2021-05-19 05:02:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 1fa92f08bb84445c76b422042561e660 SHA-1: 965a21030040df92f0da291e1f58bdf84c25d36f SHA-256: c5c132dc2e7ca8f7319499826bebe57e9fa240a5327a7bc445883cb01f342523

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 0.9969

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/1094591345/how-to-get-traded-pokemon-to-evolve-without-trading-game-hack PDF link annotation
- http://pisanie-nut.pl/images/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://pisanie-nut.pl/images/avatar-roblox-game_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/how-to-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/free-robux-legit_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/how-to-hack-roblox_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/free-coin-master-spins-without-human-verification_GM406889139.pdfIn PDF document text
- http://pisanie-nut.pl/images/free-robux-generator-for-roblox-2021_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/robux-money_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/hack-coin-master-ios_GM406889139.pdfIn PDF document text
- http://pisanie-nut.pl/images/free-robux-no-scam_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/free-draw-roblox_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/minecraft-pe-017-0-apk-free-download-android_GM479516143.pdfIn PDF document text
- http://pisanie-nut.pl/images/coin-master-hack-apk-android-1_GM406889139.pdfIn PDF document text
- http://pisanie-nut.pl/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/free-coin-master-cards_GM406889139.pdfIn PDF document text
- http://pisanie-nut.pl/images/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
- http://pisanie-nut.pl/images/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- http://pisanie-nut.pl/images/microsoft-rewards-roblox_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_off00004b6e.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B6E	24756 bytes
SHA-256: `803970761029e119d8cf51130462b686d841c6545d613d920b58ba9460f3bf16`
`font_01_sfnt_off00008433.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8433	19448 bytes
SHA-256: `a17c5aeb54fc2289923ecddda69d08b2b739c15044a02076d124da598eed6f7d`

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