PDF malware analysis — malicious · 3d52b704469c1811

MALICIOUS

PDF

45.8 KB Created: 2021-05-13 03:06:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 955e8c4de717cdaa31a0f738ee730b36 SHA-1: 9144e38c7e321a013f74ec453d4a3b885f05e4ea SHA-256: 3d52b704469c1811dd819f73519183707bd8bbcb0faea74cca29b6b5d10c3ebb

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, including a known malicious redirector. The document body and heuristic firings indicate a lure for 'free game hacks' or 'generators', suggesting a social engineering tactic to drive users to potentially malicious content. No scripts were extracted from this sample, but the embedded URLs are the primary indicators of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9432

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/roblox-free-clothes-hack-game-hack In PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/free-minecraft-website_GM479516143.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/freegames911com-coinmastertipsandcheats2021freecoinsandspins_GM406889139.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/free-robux-group_GM431946152.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/robux-without-verification_GM431946152.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/minecraft-bedrock-download-pc-free_GM479516143.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/how-to-hack-a-minecraft-account_GM479516143.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/coin-master-hacks-no-downloading_GM406889139.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/daily-coin-master-free-spin-apk_GM406889139.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/archery-master-3d-apk-and-mod-free-download-unlimited-coins_GM406889139.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/roblox-survey-for-robux_GM431946152.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/hack-master-coin-pc_GM406889139.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/minecraft-java-hacks_GM479516143.pdfIn PDF document text
- https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/robux-free-gift-card_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004c5b.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C5B	25048 bytes
SHA-256: `f17e440fc2c1c41c2a03fd061f333a2b6ea24d390167c5b77ea5314cb8aabadd`
`font_01_sfnt_off0000855d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x855D	2896 bytes
SHA-256: `90d77d065f93150ee652ed3ce79924b5ebfcae47abf79a24366adbef9fa21c4a`
`font_02_sfnt_off00008f5c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F5C	18616 bytes
SHA-256: `103feac3cc5aa8b61edffdeede0b2c422429be550018f77d71a4c0e7d6940ea7`

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