Malicious PDF — malware analysis report

Static analysis result for SHA-256 7199471227fedef3…

MALICIOUS

PDF

43.0 KB Created: 2021-06-04 01:58:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d7b371cd44b32c352aeaaa01d86e2063 SHA-1: a1dc9bb13b48139817567f6d9aac3a69815d1a78 SHA-256: 7199471227fedef304a4f08aa7ee08b7d2b3e319b3da3c85acf3d6e128ba7ddc
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains multiple links designed to lure users to a redirector infrastructure, which is flagged as malicious. The document body, though heavily obfuscated, contains references to game hacks and generators, aligning with the lure. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest a malicious redirector pattern, likely intended to lead users to a phishing or malware download site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9874

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.online/app/406889139/master-coin-hack-game-game-hack In PDF document text
    • http://perpus.unpam.ac.id/repository/coin-master-cards_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-robux-come_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/pubg-uc-ycom_GM1330123889.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-robux-just-enter-username-and-password_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/coin-master-hack-pro_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/coin-master-spin-pattern_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/is-minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/daily-coin-master-free-link_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/roblox-hacking-website_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-robux-giveaway_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/coin-master-games-hack_GM406889139.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/cpbildco-robux_GM431946152.pdfIn PDF document text
    • http://perpus.unpam.ac.id/repository/legit-coin-master-hack-site-zyngaplayerforumscom_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_004_off00004dda.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4DDA 24532 bytes
SHA-256: f1ec0d4bbf31eab66feda68797ea797a626bcadfc37ed99df96a7b99023b92e9
font_01_sfnt_off00008674.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8674 17976 bytes
SHA-256: 61a7e5df1615dd2bed66e1a1700862b148b1481b00ec863c05290e253e9efb54

Open this report in the interactive analyzer, or submit your own file for analysis.