PDF malware analysis — malicious · d487edb53662100c

MALICIOUS

PDF

50.4 KB Created: 2021-05-16 05:03:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: e59903642066492b666b06dc5e53e3b6 SHA-1: 58b10a48821c7793b164f1c39164d80ea8164e9e SHA-256: d487edb53662100cb6e050159f56f748dd092e9be7aec83f7dca78414298c0b2

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically promoting 'game hacks' and 'generators'. The heuristic firings indicate that these links are known malicious redirectors and the document's content is designed as a lure. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to drive users to potentially malicious websites, likely for further exploitation or credential harvesting.

Machine Learning

Nyx PDF Classifier malicious score 0.8594

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-best-game-hack In PDF document text
- http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/hackear-coin-master-sin-verificacion_GM406889139.pdfIn PDF document text
- https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-spin-hack-2021_GM406889139.pdfIn PDF document text
- http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/how-to-hack-coin-master-apkmody_GM406889139.pdfIn PDF document text
- https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/minecraft-pe-free_GM479516143.pdfIn PDF document text
- http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/how-to-hack-a-minecraft-server_GM479516143.pdfIn PDF document text
- https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-free-spins-hack-2021_GM406889139.pdfIn PDF document text
- http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-hack-version-ios_GM406889139.pdfIn PDF document text
- http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/info-roblox-com-robux_GM431946152.pdfIn PDF document text
- https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-free-coins-generator_GM406889139.pdfIn PDF document text
- https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/roblox-hack-site_GM431946152.pdfIn PDF document text
- https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/my-roblox-avatar_GM431946152.pdfIn PDF document text
- https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/free-roblox-clothes-codes_GM431946152.pdfIn PDF document text
- http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/minecraft-free-education_GM479516143.pdfIn PDF document text
- http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/download-coin-master-hack-apk_GM406889139.pdfIn PDF document text
- https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-july-2021_GM406889139.pdfIn PDF document text
- http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
- https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
- http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
- http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/how-to-make-a-minecraft-bedrock-server-for-free_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004b19.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B19	27720 bytes
SHA-256: `2729d7d9b72533f9f4859b93ef69fdb52f9ceae4833edbafa675f9e27a62b591`
`font_01_sfnt_off000089d0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x89D0	3924 bytes
SHA-256: `5ac1b5bfed9e425cfbbe624243ddd99f5ad6d2e73ec1026b5fecde28e9a0e5ea`
`font_02_sfnt_off000096a9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x96A9	5596 bytes
SHA-256: `9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5`
`font_03_sfnt_off0000a351.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA351	17952 bytes
SHA-256: `7162e53a7291fe5caf8ea92df1520b9b193a8e3c91ef44249b81f43b53263d68`

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