Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7200f169dac8600…

MALICIOUS

PDF

43.4 KB Created: 2021-05-14 10:10:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 2ab22f195175208b8cec8945a19b27bf SHA-1: a1bfb7c777bf44d62c07f25dd49aa4177996718b SHA-256: f7200f169dac8600506a3598f4341f708b6da2a5a707bc0f7b83c9b28042fbec
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and infrastructure, disguised as game hacks or generators. The primary link, https://netcdn.xyz/app/431946152/roblox-mobile-hack-game-hack, is identified as a lure for free game currency. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a social engineering attack aimed at driving traffic to potentially malicious sites.

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/roblox-mobile-hack-game-hack In PDF document text
    • http://www.evaplast.by/images/how-to-get-free-robux-on-phone-2021_GM431946152.pdfIn PDF document text
    • http://www.evaplast.by/images/cheats-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/coin-master-cheats_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/roblox-studio-free_GM431946152.pdfIn PDF document text
    • http://www.evaplast.by/images/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/how-to-win-free-robux_GM431946152.pdfIn PDF document text
    • http://www.evaplast.by/images/coin-master-free-spin-and-coins-links-home_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/roblox-generator_GM431946152.pdfIn PDF document text
    • http://www.evaplast.by/images/coin-master-game-download-free_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/coin-master-70-spin-link-2021_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/coin-master-download-hack_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/toolbox-for-minecraft-ios_GM479516143.pdfIn PDF document text
    • http://www.evaplast.by/images/coin-master-email-free-spins_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/how-to-download-minecraft-for-free-on-windows-10_GM479516143.pdfIn PDF document text
    • http://www.evaplast.by/images/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://www.evaplast.by/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://www.evaplast.by/images/get-coin-master-free-spin_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/coin-master-free-spins-23-march-2021_GM406889139.pdfIn PDF document text
    • http://www.evaplast.by/images/coinmaster-links_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
font_00_sfnt_off000047a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47A9 27604 bytes
SHA-256: d5c6bb50d57ccb6511fb02a8f6123ab634c439fc7abcb99f81ba4bef43912569
font_01_sfnt_off000086af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86AF 18500 bytes
SHA-256: e5e44b7d88d65c0aa39187413bdce35fa7eb26b841b7c8af9c826d312b99eefc

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