PDF malware analysis — malicious · c142c79e43e2746f

MALICIOUS

PDF

30.7 KB Created: 2021-07-20 04:53:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: f76ad293ae50121b4b2ad0bc82c72d44 SHA-1: a699aaa46166ee2533feb02b0e36b00a47297154 SHA-256: c142c79e43e2746f84f0d8940996982b11d0456740be219fa93c134eeb958b12

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for a "free generator / game hack" which links to a known malicious redirector. The document body also contains a call to action to "CLICK HERE TO ACCESS MINECRAFT GENERATOR", further reinforcing the phishing attempt. The embedded URLs and the primary redirector URL are considered high-priority IOCs.

Machine Learning

Nyx PDF Classifier malicious score 0.9909

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/479516143/was-minecraft-ever-free-game-hack In PDF document text
- https://d-fankhauser-metallbau.ch/images/minecraft-windows-10-free-code_GM479516143.pdfIn PDF document text
- https://d-fankhauser-metallbau.ch/images/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://d-fankhauser-metallbau.ch/images/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
- https://d-fankhauser-metallbau.ch/images/free-robux-2021_GM431946152.pdfIn PDF document text
- https://d-fankhauser-metallbau.ch/images/free-robux-no-survey_GM431946152.pdfIn PDF document text
- https://d-fankhauser-metallbau.ch/images/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
- https://d-fankhauser-metallbau.ch/images/get-free-tiktok-likes_GM835599320.pdfIn PDF document text
- https://d-fankhauser-metallbau.ch/images/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
- https://d-fankhauser-metallbau.ch/images/how-to-get-free-followers-on-tiktok_GM835599320.pdfIn PDF document text
- https://d-fankhauser-metallbau.ch/images/how-to-get-verified-on-tiktok-for-free-2021_GM835599320.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_off000027ca.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x27CA	21604 bytes
SHA-256: `ee9a80d5e0b0c81803b9303d57478b55254e02ad95ccf4f4f2d209482594c905`
`font_01_sfnt_off000056fd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x56FD	17880 bytes
SHA-256: `fa9564ce5793f03604dae66ea4261aaef87f9e1e7420b634dd5196a1b51aa919`

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