Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7eeacd637e83f43…

MALICIOUS

PDF

43.8 KB Created: 2021-05-14 09:12:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: ac21f6252b6cc0520a79fb16b9b30ac3 SHA-1: e8f5da62c02bbdb63557a55e2770c362d98da68c SHA-256: a7eeacd637e83f43a3b9be773275f613df20a5dd913bd6217f11e03ad662c39d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on them, disguised as game-related content. The primary link redirects to a known malicious infrastructure, indicating a phishing or scam attempt. The document's structure and embedded links suggest it is intended to trick users into visiting a malicious site, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/free-roblox-clothes-game-hack In PDF document text
    • http://www.torvet11.dk/images/how-to-get-free-hair-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.torvet11.dk/images/minecraft-app-free-download_GM479516143.pdfIn PDF document text
    • http://www.torvet11.dk/images/coin-master-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://www.torvet11.dk/images/free-stuff-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.torvet11.dk/images/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.torvet11.dk/images/coin-master-download_GM406889139.pdfIn PDF document text
    • http://www.torvet11.dk/images/claim-free-robux_GM431946152.pdfIn PDF document text
    • http://www.torvet11.dk/images/www-rbxhut-com_GM431946152.pdfIn PDF document text
    • http://www.torvet11.dk/images/coin-master-mod_GM406889139.pdfIn PDF document text
    • http://www.torvet11.dk/images/how-to-free-robux_GM431946152.pdfIn PDF document text
    • http://www.torvet11.dk/images/robux-gift-card-free_GM431946152.pdfIn PDF document text
    • http://www.torvet11.dk/images/robux-generator-that-works_GM431946152.pdfIn PDF document text
    • http://www.torvet11.dk/images/free-links-coin-master_GM406889139.pdfIn PDF document text
    • http://www.torvet11.dk/images/hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://www.torvet11.dk/images/coin-master-free-coins-and-spins-online-tool_GM406889139.pdfIn PDF document text
    • http://www.torvet11.dk/images/how-to-get-free-spins-on-coin-master-android_GM406889139.pdfIn PDF document text
    • http://www.torvet11.dk/images/best-site-for-free-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.torvet11.dk/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://www.torvet11.dk/images/coin-master-rewards-free-spins_GM406889139.pdfIn PDF document text
    • http://www.torvet11.dk/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004932.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4932 28052 bytes
SHA-256: f467940eefae6e6d6637323c7ed3322cb35a5daaeddc004c96996d34c70db645
font_01_sfnt_off00008957.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8957 18216 bytes
SHA-256: e50810547e3c30daf02b15d5ac458835679762fa1a68c20d7c153a389bd1cc19

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