PDF malware analysis — malicious · 37d5ee757507cf88

MALICIOUS

PDF

46.6 KB Created: 2021-05-13 15:14:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 556375be8c1036fcdf8558d435f66e62 SHA-1: 3594013ed71b33cfc0f9578fdc16b246525701c4 SHA-256: 37d5ee757507cf88bebe59a66cdb75bbac313aa1c9d355ad619a2fdd8ccf8aff

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one to 'roblox-ban-game-hack', and is flagged by heuristics as a lure for game hacks. The embedded links likely lead to malicious websites designed to trick users into downloading further malware or engaging in fraudulent activities. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

Heuristics 4

PDF links to a 'free generator / game hack' redirector high 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.
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
External URI info PDF_URI

PDF contains an external URL action
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-ban-game-hack PDF link annotation
- http://porownaj-laser.pl/images/free-minecraft-client_GM479516143.pdfIn PDF document text
- http://porownaj-laser.pl/images/free-robux-without-survey_GM431946152.pdfIn PDF document text
- http://porownaj-laser.pl/images/coin-master-free-gift-cards_GM406889139.pdfIn PDF document text
- http://porownaj-laser.pl/images/roblox-account-hacker-tool_GM431946152.pdfIn PDF document text
- http://porownaj-laser.pl/images/free-robux-group_GM431946152.pdfIn PDF document text
- http://porownaj-laser.pl/images/how-do-you-get-roebucks_GM431946152.pdfIn PDF document text
- http://porownaj-laser.pl/images/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- http://porownaj-laser.pl/images/get-free-robux_GM431946152.pdfIn PDF document text
- http://porownaj-laser.pl/images/minecraft-hack-download_GM479516143.pdfIn PDF document text
- http://porownaj-laser.pl/images/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
- http://porownaj-laser.pl/images/free-premium-roblox_GM431946152.pdfIn PDF document text
- http://porownaj-laser.pl/images/roblox-script-hacks_GM431946152.pdfIn PDF document text
- http://porownaj-laser.pl/images/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://porownaj-laser.pl/images/moonactive-free-spins_GM406889139.pdfIn PDF document text
- http://porownaj-laser.pl/images/free-spins-coinmaster_GM406889139.pdfIn PDF document text
- http://porownaj-laser.pl/images/free-robux-games_GM431946152.pdfIn PDF document text
- http://porownaj-laser.pl/images/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
- http://porownaj-laser.pl/images/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
- http://porownaj-laser.pl/images/roblox-free-executor_GM431946152.pdfIn PDF document text
- http://porownaj-laser.pl/images/coin-master-hack-2021-free_GM406889139.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_off000047fd.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x47FD	26952 bytes
SHA-256: `c409ac36aa3602a674a8bd13cb1c4b2a40d076f91b8c15ff8bc775720872d1e3`
`font_01_sfnt_off00008789.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8789	5696 bytes
SHA-256: `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`
`font_02_sfnt_off0000949a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x949A	18012 bytes
SHA-256: `ee811b275408340e5acfbb9d33bdd3014b8f6a1fd2105455b61057784e541bf1`

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