PDF malware analysis — malicious · 1b5fcdb6881545de

MALICIOUS

PDF

46.6 KB Created: 2021-06-13 23:59:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 1dac66455d07c278be6cdeeee0a3635f SHA-1: bde30d48eb47b7fb57edddb0897f7d391b021b11 SHA-256: 1b5fcdb6881545dea44b5bdc1ffdf82dc0c03ecd75e518e39ded90b5fdec1c00

200 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

This PDF document employs a lure related to game hacks and free generators, specifically mentioning Roblox and impersonating the eBay brand. It contains links to known malicious redirector infrastructure, which likely serve to deliver unwanted software or facilitate phishing. The document's content and embedded links strongly suggest a credential phishing or potentially unwanted software distribution campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

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: http://netcdn.co/app/431946152/roblox-veil-free-download-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 http://netcdn.co/app/431946152/roblox-veil-free-download-game-hack In PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/cheat-engine-roblox-no-cooldown_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/hacker-sur-roblox_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/coin-master-free-link_GM406889139.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/robux-hack-no-app-install_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/spam-hack-roblox_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-roblox-accounts-with-obc-lifetime-2021_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/dinosaur-simulator-roblox-dna-hack_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/minecraft-story-mode-free_GM479516143.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-easy-fast-legit_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-no-prank_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/coin-master-free-soins_GM406889139.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-get-builders-club-on-roblox-for-free-2021_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-hack-steal-roblox-accounts_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/dragon-ball-z-final-stand-roblox-free-laevels-3_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/case-clicker-cheats-roblox-2021_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-group_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/earn-free-robux-2021-february_GM431946152.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
`stream_003_off00004b88.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B88	26228 bytes
SHA-256: `2bbeef2fab5767401cab94e203d9bbbbd33672168aa84e350a0ad65f5fc69a94`
`font_01_sfnt_off00008743.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8743	2988 bytes
SHA-256: `86c7b8e863ba3cdd86a2b7d37e0f8d61c17256aa2be4fd900a87743a1b0c58ac`
`font_02_sfnt_off00009192.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9192	18936 bytes
SHA-256: `a0cb063644fc19e3e1ee4f0de9625c4ef440ad3975d5f571bce2231085305ddb`

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