PDF malware analysis — malicious · a3f11265eca7f696

MALICIOUS

PDF

34.8 KB Created: 2021-06-26 09:26:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: 544331c0e229147bb43fa97056a7a54f SHA-1: 0f3820fa7c30e9383a5fbee60c784940b77e2b65 SHA-256: a3f11265eca7f69694836d0cd35c57fcd8acea2968c9508577f63eb15c983c0b

220 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous links designed to lure users into clicking on them, promising game hacks and free currency. The primary link directs to a known malicious redirector infrastructure. The document body and embedded links suggest a scam or phishing attempt to drive traffic to potentially malicious sites or download further payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 5

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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
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/roblox-free-robux-hack-pastebin-game-hack In PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/roblox-hack-game_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/static-moonactive-net-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-robux-no-email_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/hack-card-collection-coin-master_GM406889139.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/rewards-roblox_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-robux-ad_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/noto-clip-hackes-roblox_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/roblox-play-now-for-free-as-guest_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-free-spins-hack-link_GM406889139.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-minecraft-java-code_GM479516143.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/hack-coin-pro-coin-master_GM406889139.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/roblox-free-play_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-heaven-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/roblox-murder-mystery-2-modded-free-admin_GM431946152.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://agama.denpasarkota.go.id/new/public/ckfinder/userfiles/files/tiktok-free-view-iphone-apk_GM835599320.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_off000030c1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30C1	22392 bytes
SHA-256: `02d1c50a271fa440272ba8b88600745d1f97d951e2394fe5e97cae5505b77ba4`
`font_01_sfnt_off0000627e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x627E	19336 bytes
SHA-256: `3b58d25edd7ad246a3e3994fb17838246e1fdb7d54a34093368c63834b242764`

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