PDF malware analysis — malicious · 95780b74d166679e

MALICIOUS

PDF

34.8 KB Created: 2021-06-29 23:19:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-31

MD5: 97764255ea70d2cbc39b653cb13f88b6 SHA-1: 82c5b945dd5d7aa881b1891fe2180155849a9d75 SHA-256: 95780b74d166679ec15824fddcd43823fcc6f6ded3e2af5a5067c0038a3469df

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links that redirect to a known malicious infrastructure, specifically advertising 'free generator / game hack' content. The ML classifier also flagged this PDF with high confidence. The presence of a 'download button' heuristic further supports the lure to download potentially malicious files. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

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.
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/free-clothes-maker-roblox-game-hack In PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-download-roblox-on-computer-hack-tool_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/games-that-can-be-hacked_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-hack-ga_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-website-free-robux_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/pokemon-go-free-evolve-after-trade_GM1094591345.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coinmaster-gps-user-review-coinmaster-coin-master-hack-pagedemo-index_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/buy-tiktok-followers-free_GM835599320.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-cheat-indetectable_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/wizard-hacks_GM479516143.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/apk-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/free-robux-meme_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-scam-on-roblox_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-is-tiktok-free_GM835599320.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coin-master-hack-no-verification-ios_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/minecraft-marketplace-free_GM479516143.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_off00003020.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3020	22544 bytes
SHA-256: `97c5d102030a5dc5a19d4e21ba3212cff29a5736c17523d1a7040048655797da`
`font_01_sfnt_off0000624b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x624B	19288 bytes
SHA-256: `1074085390b7cc3085c4dd16fbc1c2a87c4da73c14ec4e9cf1cad50a27191b3b`

Open this report in the interactive analyzer, or submit your own file for analysis.