PDF malware analysis — malicious · 45f1f060d7027bfc

MALICIOUS

PDF

35.1 KB Created: 2021-07-05 08:27:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 6a8fef64c0c7bdfe1fe8e50c03d9a633 SHA-1: 005f82559155b92925594b23911318db9bab943f SHA-256: 45f1f060d7027bfc0dd9e378ca6ed46cef344a851baf8dc84497220989b263cd

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a heuristic firing for a 'free generator / game hack' lure, strongly indicating a phishing or scam attempt. The document body explicitly mentions 'Free Robux Sites That Work' and includes numerous links to related content, reinforcing the lure. While no scripts were extracted, the presence of malicious URLs and the nature of the lure suggest the document is designed to redirect users to potentially harmful websites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/free-robux-sites-that-work-game-hack PDF link annotation
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/oprewards-free-robux_GM431946152.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/free-robux-working_GM431946152.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/robux-free-c_GM431946152.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/master-coin-hack-apk_GM406889139.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/how-to-change-your-username-in-roblox-for-free_GM431946152.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/coin-master-fan-page-facebook_GM406889139.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/free-robux-ad_GM431946152.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/original-roblox_GM431946152.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/minecraft-116-apk-download_GM479516143.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/free-400-spins-coins-master_GM406889139.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/freecoins_GM406889139.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/free-spins-coin-master-ios-2021_GM406889139.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/coinmaster-links_GM406889139.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/2021-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/how-do-you-get-roblox-money_GM431946152.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/roblox-hack-tool_GM431946152.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/free-robux-real_GM431946152.pdfIn PDF document text
- http://elearning-mtsn1jkt.net/__statics/gudangsoal/files/robuxmatchcom-free-robux_GM431946152.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_002_off000030b6.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x30B6	22484 bytes
SHA-256: `be4667a084b61d9ecd044a14485bc8c0898ada4bf133858e2d02f0010f5e96bd`
`font_01_sfnt_off000062d7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62D7	19472 bytes
SHA-256: `c870e848b7333530fcf3a181653402c0177c63a978227bac510a2a158669bcb4`

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