Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d6b2be462eb8745…

MALICIOUS

PDF

47.8 KB Created: 2021-06-02 14:54:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 00d73d4fb6eef902e837e475d31a0ab2 SHA-1: 615bad568795a591eaed3272a796f299d48bcead SHA-256: 2d6b2be462eb87458ef4be73336c0ddd99815835522b4f1f38ed3adf2f28195b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and text lures promising free in-game currency and hacks, such as 'Free Robux And Tix Generator 2021'. These links direct to known malicious redirector infrastructure, indicating a phishing or scam attempt. The document's structure and content strongly suggest it is designed to trick users into visiting malicious sites, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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-robux-and-tix-generator-2021-game-hack In PDF document text
    • http://arthakranti.org/images/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/minecraft-launcher-download-free_GM479516143.pdfIn PDF document text
    • http://arthakranti.org/images/robloxfun-com-generator_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/free-coin-master-spins-and-coins-for-daily_GM406889139.pdfIn PDF document text
    • http://arthakranti.org/images/robux-earning-websites_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://arthakranti.org/images/free-robux-app-real_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • http://arthakranti.org/images/who-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/roblox-earn_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/pokemon-go-free-stuff-codes_GM1094591345.pdfIn PDF document text
    • http://arthakranti.org/images/free-robux-pins_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • http://arthakranti.org/images/rbxdemon_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/earn-robux-today-earn-robux-today_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://arthakranti.org/images/coin-master-card-hack-app_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005290.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5290 24892 bytes
SHA-256: 1754642252af2345e1a108d2456887013166f6b141df914e042eaebb8c712398
font_01_sfnt_off00008c0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C0A 2820 bytes
SHA-256: d88f25cfe237a714f996150a11dd8a058f0f7c3e9d1ae91c17b46c10409b6c0b
font_02_sfnt_off000095a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95A4 19044 bytes
SHA-256: f6ab0d8cfdd5a59609d8a2eb48472b235aa2e01e95aaee98f0309f4e03ee2d96

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