PDF malware analysis — malicious · 0cece2a169c96aae

MALICIOUS

PDF

49.2 KB Created: 2021-05-14 14:00:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: be6c76d8440e613a51cd2f289603caf2 SHA-1: 185447118070862b00c67874956515c9c2840275 SHA-256: 0cece2a169c96aaeae281c852fe46088dcbc76535998a2b672a858fffe1156ab

90 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. It uses an urgency-based lure. 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 0.9228

Heuristics 5

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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/431946152/what-games-on-roblox-give-you-free-robux-game-hack PDF link annotation
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-gold-cards-hack-2021_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/facebook-coin-master_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/mcpe-hack-client_GM479516143.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-clothing-on-roblox_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-free-spins-link-blogspot-april-2021_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/minecraft-creative-mode-free_GM479516143.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/june-29-coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-get-free-snacks-on-coin-master_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/best-free-robux-sites_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/hack-coin-master-343-apk_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-free-spins-and-free-coins_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/levvvel-coin-master_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/roblox-hackprogamers-com_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-robux-no-verification-at-all_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/earn-free-robux_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/hack-coin-master-free-spins_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
`font_00_sfnt_off00004c99.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4C99	25980 bytes
SHA-256: `4667c5a47b9f68ec929e39a980ea6d80cf8d0866f902529dafdf3b9093be20cb`
`font_01_sfnt_off00008971.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8971	7272 bytes
SHA-256: `f462303657ce1de10d3e7d5ae1fe17c8584116bd5bc216971166de87266da924`
`font_02_sfnt_off00009ae1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9AE1	19440 bytes
SHA-256: `d075b9cdfa29af0d09f3a3e5cc134cf400d7d34255e3ca0094b6ab529e7e4150`

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