PDF malware analysis — malicious · 1be57af205d937d0

MALICIOUS

PDF

45.4 KB Created: 2021-05-30 20:51:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16

MD5: 62abf08246724b2d543d81e460aa4899 SHA-1: 446c4975b63867c01ac6344caff5d5ae6da7961d SHA-256: 1be57af205d937d0185b6515a001054d84af33d7a308a3ea747b9fb6e6bc89c6

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links disguised as 'free Robux' or 'game hacks', which are identified as malicious redirectors. The document's content and embedded links strongly suggest a phishing or scam attempt to lure users to malicious websites. No scripts were extracted, but the presence of numerous malicious URLs indicates a high likelihood of further malicious activity.

Machine Learning

Nyx PDF Classifier malicious score 0.9580

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 https://netcdn.xyz/app/431946152/get-free-robux-2021-game-hack In PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-xray-hack_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-minecraft-server-hosting-24-7_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-multiplayer-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-skins-in-minecraft_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-minecraft-printables_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-exe_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-accounts_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-fly-hack_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-real_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-story-mode-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-name-tag-hacks_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-hack-a-minecraft-server_GM479516143.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-free-app_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_003_off00005100.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5100	26128 bytes
SHA-256: `c33ff526b331b017b27fda628e1be436cd23ae4cf4d15d89805a7264e1f77498`
`font_01_sfnt_off00008d83.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D83	18520 bytes
SHA-256: `6fe0ff66a16b6ee6dc50657e9361d5c62c74e6da0263e26ac7f67f588141101f`

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