PDF malware analysis — malicious · 5d80222c0c9f38ea

MALICIOUS

PDF

42.0 KB Created: 2021-05-12 17:31:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: e431991f7214c5d60138ca6b24bf2b65 SHA-1: 9338ea7cf8063deeae8a0aa899493e90bcbc1221 SHA-256: 5d80222c0c9f38ea73577d717a973a0a20ae7efe395e75c3b72eb3080b3b0c2e

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/how-to-o-get-free-coin-master-spins-game-hack PDF link annotation
- http://alcomet.ru/images/show-me-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://alcomet.ru/images/how-to-hack-golden-card-in-coin-master_GM406889139.pdfIn PDF document text
- http://alcomet.ru/images/free-unlimited-coins-for-coin-master_GM406889139.pdfIn PDF document text
- http://alcomet.ru/images/wurst-18_GM479516143.pdfIn PDF document text
- http://alcomet.ru/images/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
- http://alcomet.ru/images/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
- http://alcomet.ru/images/114-hacks_GM479516143.pdfIn PDF document text
- http://alcomet.ru/images/how-to-get-more-robux_GM431946152.pdfIn PDF document text
- http://alcomet.ru/images/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
- http://alcomet.ru/images/robux-hacks-2021_GM431946152.pdfIn PDF document text
- http://alcomet.ru/images/coin-master-free-spins-glitch_GM406889139.pdfIn PDF document text
- http://alcomet.ru/images/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
- http://alcomet.ru/images/coin-master-hack-ios-reddit_GM406889139.pdfIn PDF document text
- http://alcomet.ru/images/free-roblox-hack_GM431946152.pdfIn PDF document text
- http://alcomet.ru/images/master-game_GM406889139.pdfIn PDF document text
- http://alcomet.ru/images/hack-coin-master-app_GM406889139.pdfIn PDF document text
- http://alcomet.ru/images/coin-master-free-coins-link-march-2021_GM406889139.pdfIn PDF document text
- http://alcomet.ru/images/robux-free-c_GM431946152.pdfIn PDF document text
- http://alcomet.ru/images/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
- http://alcomet.ru/images/how-can-i-get-free-spins-on-coin-master_GM406889139.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_off0000488f.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x488F	26080 bytes
SHA-256: `7886c95ea621e4ed6aac2adb27db24754fa826a25149fa540265c8232b9e79b7`
`font_01_sfnt_off0000828d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x828D	18052 bytes
SHA-256: `1a49309645179e5aa03d30e235780e1615dc0ec238564b82d4d907f08b29e71b`

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