PDF malware analysis — malicious · 98306aafd1cdf180

MALICIOUS

PDF

40.0 KB Created: 2021-05-16 06:13:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 53481ad6fb8d536187ca07cc61c9914a SHA-1: 7ca472f85556f16bcce47b9fa377025630ac77d8 SHA-256: 98306aafd1cdf1805a8af7f84a7a49bdee701b90c1925e0226588a2f4701e8d7

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, including one specifically for a "robux-giver-game-hack". The document body and embedded links suggest a lure for game-related cheats or hacks, which is a common social engineering tactic. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/robux-giver-game-hack In PDF document text
- http://www.homesweethome.pl/images/haktuts-coin-master-free-spin-today_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/coin-master-free-spin-and-trading_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/do-you-get-windows-10-minecraft-for-free-with-java_GM479516143.pdfIn PDF document text
- http://www.homesweethome.pl/images/coin-master-fan-page-free-spins_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/40-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/coin-master-gold-cards-free-2021_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/100-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/roblox-hack-apk_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/how-to-really-hack-coin-master_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/minecraft-fly-hack_GM479516143.pdfIn PDF document text
- http://www.homesweethome.pl/images/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/coin-master-free-download-app_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/free-spins-coin-master-links-twitter_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/how-to-hack-coin-master-ios_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/free-games-coin-master_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/how-to-duplicate-coin-master-spin-hack_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/roblox-hack-site_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/freespins-coin-master_GM406889139.pdfIn PDF document text
- https://www.bandicam.comIn 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_off00004447.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4447	23896 bytes
SHA-256: `ebcc904567341ab01736f50ec3322ae9f24bc5173aa4f593799e5ce38d6484fc`
`font_01_sfnt_off00007a7f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A7F	18084 bytes
SHA-256: `7a12c9f5eb0a0db1f8f257aa9a01d8091f877bc5a7f544a47565c95aa29e59f6`

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