PDF malware analysis — malicious · e41929cd0180ffaf

MALICIOUS

PDF

34.8 KB Created: 2021-07-08 01:47:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 30bf86ce0df44bf067242ca11533a342 SHA-1: df9c65444f6cf4f6b0f6ecf170b92dd88573c711 SHA-256: e41929cd0180ffaf89794cbdd5bb4b403afe3762c06266b0922e9a6aded57203

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a common lure of free game currency or hacks to entice users to click on embedded links. The primary link directs to a known malicious redirector infrastructure, which likely serves as a gateway to further malicious content or downloads. No scripts were extracted, but the PDF structure and embedded links strongly indicate a phishing or scam attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/dailyrobux-game-hack In PDF document text
- http://elearning.mysadam.info/__statics/gudangsoal/files/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/free-minecraft-shaders_GM479516143.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/free-roblox-accounts-august-2021_GM431946152.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/blox-fish-free-robux_GM431946152.pdfIn PDF document text
- http://elearning.mysadam.info/__statics/gudangsoal/files/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
- http://elearning.mysadam.info/__statics/gudangsoal/files/how-to-get-more-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/minecraft-dungeons-free_GM479516143.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/roblox-free-bundles_GM431946152.pdfIn PDF document text
- http://elearning.mysadam.info/__statics/gudangsoal/files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/free-robux-working_GM431946152.pdfIn PDF document text
- http://elearning.mysadam.info/__statics/gudangsoal/files/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/free-roblox-promo-codes-for-robux_GM431946152.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/make-your-own-roblox-shirt-free_GM431946152.pdfIn PDF document text
- http://elearning.mysadam.info/__statics/gudangsoal/files/roblox-account-hacker-tool_GM431946152.pdfIn PDF document text
- http://elearning.mysadam.info/__statics/gudangsoal/files/best-minecraft-hacks_GM479516143.pdfIn PDF document text
- http://elearning.mysadam.info/__statics/gudangsoal/files/download-coin-master-apk-hack_GM406889139.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/free-fbi-badge-roblox_GM431946152.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/minecraft-pe-free-apk_GM479516143.pdfIn PDF document text
- http://www.elearning.mysadam.info/__statics/gudangsoal/files/free-coin-link-coin-master_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
`font_00_sfnt_off00003174.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3174	22344 bytes
SHA-256: `61307c1e781308bec77e560ff628daf3cfe5113c69b545b04af236ae3ad6ac9e`
`font_01_sfnt_off000062f7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62F7	19092 bytes
SHA-256: `319a3b741e60406540a19adb70d742732d8bf817a9bc58f36e4d58ba7e1a6a2d`

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