PDF malware analysis — malicious · ea86883ccb7a8dac

MALICIOUS

PDF

34.7 KB Created: 2021-07-01 05:41:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: bc7003d57b68a596766feb685b26b20e SHA-1: 295b3e78397a05584a578374a0ef0bca7899222b SHA-256: ea86883ccb7a8dac51092234ba525f05c2e3f07b57e42fb4122ac0fff91b05f1

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 0.9980

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 http://netcdn.co/app/431946152/free-robux-net-game-hack PDF link annotation
- http://mobtakerancell.ir/assets/uploads/pages/files/where-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/50-free-tiktok-likes-trial_GM835599320.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/mcpe-master-hack-coin-apk_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/2021-roblox_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/easy-robux-today-com_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-do-you-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-hack-spins-free_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/minecraft-ore-finder-mod_GM479516143.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/rewardex-robux_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/pig-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-hack-android-root_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
`font_00_sfnt_off000030d3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30D3	22668 bytes
SHA-256: `9cf76e903130e3ca8e9866856425ac090de6455ea09e6b6a69fa41c570d23a89`
`font_01_sfnt_off0000635a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x635A	18820 bytes
SHA-256: `ca85981c18dc15ba0057413255a9444b5a0283357368fb65870b2d832d7eb440`

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