PDF malware analysis — malicious · 469e5a2001a4096d

MALICIOUS

PDF

43.6 KB Created: 2021-06-02 06:02:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: 31ec8c1d8bf30d526f1d751d1a6c7c21 SHA-1: 396c04c4d5d249fd775cdec5365e617ead9d7b18 SHA-256: 469e5a2001a4096d66a6047e4f9dc25f1018e3b2d2c29d6f9c14ab746e18da01

220 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

This PDF document contains multiple links to known malicious redirectors and a link farm, masquerading as game hacks and free software. The primary lure appears to be related to Roblox and Minecraft, directing users to URLs like https://netcdn.xyz/app/431946152/roblox-hack-client-game-hack. The document's structure and embedded links strongly suggest an attempt to trick users into visiting malicious sites, likely for further malware delivery or phishing.

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.
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 https://netcdn.xyz/app/431946152/roblox-hack-client-game-hack In PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/minecraft-java-edition-free-trial_GM479516143.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/2gunda-parte-del-hack-de-robux_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/robux-hack-2021-on-phone_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/como-hackear-todo-os-vehiculos-en-jailbreak-roblox_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/roblox-exploit-download-2021-free_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/how-do-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/free-roblox-gift-card-codes-generator-no-survey_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/hacks-para-roblox-aimbot-en-strucid_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/how-to-cheat-in-dna-on-ds-roblox_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/how-to-use-speed-hack-on-roblox_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/coin-master-free-coins_GM406889139.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/how-to-hack-people-acount-in-roblox_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/roblox-free-promo-codess_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/easy-robux-hack-today_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/armored-patrol-roblox-hack_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/how-to-get-free-weapons-in-roblox_GM431946152.pdfIn PDF document text
- https://registracomodo.it/wp-content/uploads/fsqm-files/how-to-get-free-tiktok-followers-without-human-verification_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
`stream_004_off000050ee.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x50EE	24828 bytes
SHA-256: `75a96456de032f8f9cd670026299e889480243f940dc614e142c23e74dbaf45b`
`font_01_sfnt_off00008746.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8746	18408 bytes
SHA-256: `550f62bb1f49814ef42b1b735b63b4edf215944f9d7482118736a3d91d594bfc`

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