Malicious PDF — malware analysis report

Static analysis result for SHA-256 758d478e308ae3c1…

MALICIOUS

PDF

42.6 KB Created: 2021-05-13 19:52:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6530d4a64ccdc817fda17039be12bb56 SHA-1: ac5c80f0c7c3d841e935088375a946c68574413f SHA-256: 758d478e308ae3c1a2abd9d971f075aae86a178757f976a1f408bacca7528d2b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically promoting a 'game hack' lure. The presence of a visual download button further encourages user interaction with these links. While no scripts were directly extracted, the PDF structure and embedded links strongly suggest a social engineering attack aimed at driving traffic to potentially harmful sites.

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/robux-boost-game-hack In PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/roblox36com-free-robux_GM431946152.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/coin-master-admin-free-spins_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/coin-master-hack-xyz-download_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/appsmobinfo-coinmasterhack-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/coin-master-spin-hack-2021_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/coin-master-free-coins--spins_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/rbx-free_GM431946152.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/coin-master-generator-hack_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/robux-xyz_GM431946152.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/coin-master-free-2021_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/coin-master-free-online-game_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/free-spin-and-win-coin-master_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/free-robux-meme_GM431946152.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/free-spins-coin-master-2021-glitch_GM406889139.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/how-to-get-free-roblox-gift-cards_GM431946152.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • https://elearningmas.alhidayahwanti.sch.id/__statics/gudangsoal/files/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • https://www.communes.comIn 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_off00004b19.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B19 24952 bytes
SHA-256: e03b8e8a74100a13879a2a98c499d2804ee7c1dac57687a2b053f704543e3624
font_01_sfnt_off00008519.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8519 17952 bytes
SHA-256: 11074efe5b2c6d92dadef1a68c4708857388b690ee0ee43b1902778d8611b6e8

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