PDF malware analysis — malicious · a2b00d6ea0e816cd

MALICIOUS

PDF

46.0 KB Created: 2021-06-03 07:42:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 8612d3e168523d063b4727424bf9ac0d SHA-1: bb178b363dcaf261052dea6596fbd1db08ae8ea4 SHA-256: a2b00d6ea0e816cda1d242faa9e8a47fc23cc3488e45a466b9d0c1e255f0dcd4

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 0.9797

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.online/app/406889139/coin-master-hack-spin-generator-game-hack PDF link annotation
- https://sensorcamera-tw.com/upload/files/coin-master-game-free-download_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-fan-page-facebook_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/minecraft-free-apk-download-016-0_GM479516143.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-no-password_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/is-it-possible-to-hack-coin-master_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-no-verification_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/robux-hack-tools_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/does-roblox-premium-expire_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/minecraft-hack-client-download_GM479516143.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-hacked-version_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/instagram-free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/tiktok-free-to-download_GM835599320.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00004ffb.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4FFB	25144 bytes
SHA-256: `52d7e4f9bf7249f918541aa8cb01e7901b6a89cd515c90ea06277b7a49e56df9`
`font_01_sfnt_off00008719.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8719	3204 bytes
SHA-256: `34e186eaedd0abe30d9918006f165105e5268ee5cd317aca3337fe6c60666134`
`font_02_sfnt_off0000921d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x921D	17892 bytes
SHA-256: `fb469e3bf9035f41b30956febb327ba05298378f8328666f03cb40abfa022080`

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