PDF malware analysis — malicious · 3589adf74979413a

MALICIOUS

PDF

44.6 KB Created: 2021-06-10 19:38:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: d983e64c6f752e8650a110608a12e7e4 SHA-1: 0b6b4cea64c29dc6513a40e1a0ac269685d6f91d SHA-256: 3589adf74979413ae1bdbab64cdadbbe080386925a5a3da2b8d9219f9ea394b6

200 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document employs a lure related to 'Hack Passwords Roblox' and impersonates the brand 'ebay' to trick users into clicking malicious links. The primary link, https://netcdn.tw/app/431946152/hack-passwords-roblox-game-hack, redirects to known malicious infrastructure. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to exploit users through social engineering, likely leading to credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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.
Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH

Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.tw/app/431946152/hack-passwords-roblox-game-hack.
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 https://netcdn.tw/app/431946152/hack-passwords-roblox-game-hack In PDF document text
- https://loba.com.vn/public/upload/files/does-roblox-have-free-sneaks_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-spin-link_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-coins-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-now_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/hackear-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/7-year-old-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-character-clothing-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/minecraft-hacked-client_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/roblox-redeem-card-codes-free_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/minecraft-free-online_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/download-roblox-generator-for-free_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/good-hacks-to-do-with-a-hang-glider-roblox-treelands_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-girl-hair-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-get-free-daily-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/minecraft-windows-10-edition-free-download_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
`stream_004_off000050ff.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x50FF	25208 bytes
SHA-256: `6113147f1d8a8c2cbf8596685fac4a0a704c714be496cffded29de46b90b479d`
`font_01_sfnt_off00008a7b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A7B	18672 bytes
SHA-256: `88ab4b85d6e5651e2b939c699bb05c5686237d5cbc968c6286dda0ffbd03b093`

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