PDF malware analysis — malicious · 0068c56e4b2d84ee

MALICIOUS

PDF

42.1 KB Created: 2021-05-12 17:05:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21

MD5: ee741c2b11959f67d752ecb3b5fd37c2 SHA-1: 64ed5c7872edc0266ee884ed8f16513ba673b87d SHA-256: 0068c56e4b2d84eeb5a80055aa9143f3b2bd33bf4be1ca7435ff700a520fe34c

200 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links to redirector infrastructure, masquerading as game hacks and impersonating Microsoft to lure users. The ML classifier strongly indicates maliciousness, and the embedded URLs suggest a credential phishing or malware distribution attempt. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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.xyz/app/431946152/is-roblox-free-on-xbox-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.xyz/app/431946152/is-roblox-free-on-xbox-game-hack In PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/coin-master-hack-app-link_GM406889139.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/free-minecraft-maps-pe_GM479516143.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/hack-coin-master-game-apk_GM406889139.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/robuxglobalcom-no-verification_GM431946152.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/free-minecraft-skins-girl_GM479516143.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/free-minecraft-website_GM479516143.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/minecraft-pe-apk-download_GM479516143.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/free-robux-today_GM431946152.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/minecraft-login-free_GM479516143.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/get-free-cards-for-coin-master_GM406889139.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/roblox-sign-in-free_GM431946152.pdfIn PDF document text
- http://ginfed.net.co/editor_rc/tools/ckeditor/img/images/files/coin-master-game-hack-version-download_GM406889139.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_off00004997.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4997	25016 bytes
SHA-256: `c4270687d4240d1f0ba81e99f3d6249b5c7932d681d4b2aa8c90e0d7874405b8`
`font_01_sfnt_off0000832a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x832A	17948 bytes
SHA-256: `b3ba82aa7ee3d7aa0ce4ddaa3eca5cb497d3e48713e942ef8c08a7410c5f198f`

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