Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a1a48c35bbf4429…

MALICIOUS

PDF

43.4 KB Created: 2021-05-15 08:35:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ea84da2194b6d0d32b3263d6e5ccc4b5 SHA-1: e22c1a3ab8cdc0453ecd0db3853c3757be701f97 SHA-256: 3a1a48c35bbf44299cd79c0bafbb102e06bdacbbe842fa565cd6b1dab4d5abd9
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple links, including one to a known malicious redirector infrastructure, masquerading as a 'free generator / game hack'. The document body and embedded URLs suggest a social engineering lure to entice users to click on these links, likely leading to further malicious content or downloads. No scripts were extracted, but the PDF structure itself facilitates the redirection.

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/coin-master-daily-free-spins-link-today-2021-free-game-hack In PDF document text
    • https://www.tartineartisanal.com/images/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/how-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/spin-free-coin-master_GM406889139.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/coin-master-hack-apk-online_GM406889139.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/free-robux-ad_GM431946152.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/get-free-robux-now_GM431946152.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/coin-master-hack-tool-v1-9-pc_GM406889139.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/body-roblox_GM431946152.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/moon-active_GM406889139.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/where-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/roblox-hacks-and-cheats_GM431946152.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • https://www.tartineartisanal.com/images/master-free-spin-and-coin-links-html-m-1_GM406889139.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
stream_003_off000049d1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49D1 25484 bytes
SHA-256: aee24d9ca4f015d755a5ce2e2b9120cc92ea584ab46cab81b0d85e23e6b34d8b
font_01_sfnt_off00008514.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8514 19052 bytes
SHA-256: 51ec1fd699785aa8f843f12306ac352f9679003eb9b4544ea09afbac11be1d71