Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2af4f7e004516bf…

MALICIOUS

PDF

43.4 KB Created: 2021-05-19 21:02:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: b40bceb6aa865bc1d5402bd96e5bebfd SHA-1: db5a29b42b441a7d89b156e91805051e89c68eeb SHA-256: f2af4f7e004516bffa7d26a5fb501cf3e6c6835a00aa00177c927cceca366f06
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and generators. The heuristic firings confirm these links point to known malicious redirectors and a lure for game cheats. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect the user to a malicious website, likely for further exploitation or phishing.

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/406889139/haktuts-coin-master-free-daily-spins-game-hack In PDF document text
    • https://laconce.com/images/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • https://laconce.com/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://laconce.com/images/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • https://laconce.com/images/strucid-aimbot_GM431946152.pdfIn PDF document text
    • https://laconce.com/images/coin-master-free-attack-link_GM406889139.pdfIn PDF document text
    • https://laconce.com/images/roblox-script-hack_GM431946152.pdfIn PDF document text
    • https://laconce.com/images/free-vip-server-roblox_GM431946152.pdfIn PDF document text
    • https://laconce.com/images/games-like-coin-master-for-free_GM406889139.pdfIn PDF document text
    • https://laconce.com/images/coin-master-hack-apk-download-latest-version_GM406889139.pdfIn PDF document text
    • https://laconce.com/images/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • https://laconce.com/images/how-to-get-free-hair-on-roblox_GM431946152.pdfIn PDF document text
    • https://laconce.com/images/minecraft-windows-10-edition-free_GM479516143.pdfIn PDF document text
    • https://laconce.com/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://laconce.com/images/hack-coin-master-1_GM406889139.pdfIn PDF document text
    • https://laconce.com/images/coin-master-hack-online-no-human-verification_GM406889139.pdfIn PDF document text
    • https://laconce.com/images/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • https://laconce.com/images/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • https://laconce.com/images/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • https://laconce.com/images/free-robux-mod_GM431946152.pdfIn PDF document text
    • https://laconce.com/images/coin-master-apk_GM406889139.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_off00004850.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4850 30528 bytes
SHA-256: 9fb0c9c574ac69a396c0baf3f4e06c8153ef5e012b6e27cc4c9c37960489e600
font_01_sfnt_off000086b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86B2 18620 bytes
SHA-256: ded7de44f7a870837d4ef416985ae0b9ef78dce3540f45b1558d033e63b05ca7

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