Malicious PDF — malware analysis report

Static analysis result for SHA-256 9cfd4a33aabc356c…

MALICIOUS

PDF

41.3 KB Created: 2021-05-14 17:46:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 26375cafe5e2bf070e322b17f3062273 SHA-1: 2416ac48c103af62cab3e5e40ee610815235158b SHA-256: 9cfd4a33aabc356c545d6f3a9a0be5461bc4a6ec3868c4be33f978e880169993
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'game hacks' and 'free items'. The primary lure URL is https://netcdn.xyz/app/431946152/free-outfits-roblox-game-hack, which is flagged as a malicious redirector. The document body and embedded URLs suggest a social engineering tactic to trick users into visiting potentially harmful sites, likely to download further malware or engage in credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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-outfits-roblox-game-hack In PDF document text
    • https://bancroftandsons.com/images/hacks-and-cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • https://bancroftandsons.com/images/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • https://bancroftandsons.com/images/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • https://bancroftandsons.com/images/https-iosgodscom-topic-20214coinmasterhack_GM406889139.pdfIn PDF document text
    • https://bancroftandsons.com/images/easy-points-gg_GM431946152.pdfIn PDF document text
    • https://bancroftandsons.com/images/buy-robux-free_GM431946152.pdfIn PDF document text
    • https://bancroftandsons.com/images/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
    • https://bancroftandsons.com/images/legit-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://bancroftandsons.com/images/master-coin-hack-game_GM406889139.pdfIn PDF document text
    • https://bancroftandsons.com/images/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • https://bancroftandsons.com/images/robux_GM431946152.pdfIn PDF document text
    • https://bancroftandsons.com/images/hack-minecraft_GM479516143.pdfIn PDF document text
    • https://bancroftandsons.com/images/free-minecraft-alt-accounts_GM479516143.pdfIn PDF document text
    • https://bancroftandsons.com/images/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
    • https://bancroftandsons.com/images/roblox-hair-for-free_GM431946152.pdfIn PDF document text
    • https://bancroftandsons.com/images/free-roblox-gift-card-codes_GM431946152.pdfIn PDF document text
    • https://bancroftandsons.com/images/hack-to-protect-village-on-coin-master_GM406889139.pdfIn PDF document text
    • https://bancroftandsons.com/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://bancroftandsons.com/images/robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://bancroftandsons.com/images/roblox-admin-hack_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004697.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4697 25536 bytes
SHA-256: 0be3bfcfde438572580a47fd77cbc884867c867c671b8e555499eb81d46c74fa
font_01_sfnt_off00007f06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F06 18312 bytes
SHA-256: 9b547316dd924f2d38267e62f03d4e5377aa17b379351621b7bed739febfacb5

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