PDF malware analysis — malicious · 3d5a7e95fa46b876

MALICIOUS

PDF

32.1 KB Created: 2021-07-19 17:36:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: dc33fc550251d8300efd3c406dc088f4 SHA-1: 65ecd9712af094b456179fd1ae245c9f1de14e98 SHA-256: 3d5a7e95fa46b87632f99e6bef871b4d57ea5be83e2ac85a5356c2a139c1fd83

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, specifically advertising "free generator / game hack" lures for popular games. The document body includes a call-to-action phrase and embedded URLs that likely lead to further malicious content or malware downloads. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9900

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/minecraft-free-version-game-hack In PDF document text
- https://fortiusconsultancy.com/images/free-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://fortiusconsultancy.com/images/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
- https://fortiusconsultancy.com/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://fortiusconsultancy.com/images/free-tiktok-likes-app_GM835599320.pdfIn PDF document text
- http://fortiusconsultancy.com/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- https://fortiusconsultancy.com/images/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
- https://fortiusconsultancy.com/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://fortiusconsultancy.com/images/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
- https://fortiusconsultancy.com/images/free-robux-please_GM431946152.pdfIn PDF document text
- https://fortiusconsultancy.com/images/minecraft-name-tag-hacks_GM479516143.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_off00002aa5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2AA5	22512 bytes
SHA-256: `ae7e069fabe244f3bee7449bc9ffc944614670d60bdbde3c4e2c08521bd2936f`
`font_01_sfnt_off00005cec.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CEC	17844 bytes
SHA-256: `f3924605f7b3f22f10abcb19e882a5c4663272546a5aeaf73baf968c6ecbf21f`

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