PDF malware analysis — malicious · 7c39bb01b103a58e

MALICIOUS

PDF

8.0 KB Created: 2021-07-04 14:55:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-02

MD5: 2de276ff72f3d19b2d10c636dc4ff1fa SHA-1: 4284c94b7fde29aa4cc30f87526afb618ab780a3 SHA-256: 7c39bb01b103a58e19766a9e1a0b490e97863de96d23a496330940ae9ab75355

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple links, including one identified as a malicious redirector, that lure users with promises of free in-game currency or hacks. The primary link, http://netcdn.tw/app/406889139/coin-master-free-400-spin-link-game-hack, is likely part of a social engineering scheme to compromise users. No scripts were extracted, but the document's structure and embedded links strongly suggest a phishing or scam attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9649

Heuristics 3

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.
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/406889139/coin-master-free-400-spin-link-game-hack In PDF document text
- http://elib.upiyptk.ac.id/opac/repository/how-to-get-free-robux-using-html_GM431946152.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/free-minecraft-addons_GM479516143.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac//repository/pubg-300-uc-price-in-pakistan_GM1330123889.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/mcpe-com_GM479516143.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac//repository/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac//repository/how-to-get-free-robux-games_GM431946152.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/10-robux_GM431946152.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/coins-master-hacks_GM406889139.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/earn-free-robux_GM431946152.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/hack-roblox-paintball-frenzy_GM431946152.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/roblox-spin-head-hack_GM431946152.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac//repository/how-to-get-robux-on-phone_GM431946152.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/robloxcom-download-free-pc_GM431946152.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/is-minecraft-free-on-xbox_GM479516143.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://elib.upiyptk.ac.id/opac/repository/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text

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