Malicious PDF — malware analysis report

Static analysis result for SHA-256 f32aefa949bac145…

MALICIOUS

PDF

47.9 KB Created: 2021-06-07 14:02:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8fe63081e052f0f7e4c98ee84f2e39c4 SHA-1: e865f38de2f16ad14d5939fb23fe9824329df832 SHA-256: f32aefa949bac1453d91c303eb001141310aac1202a3ef7fc17c7e58b1820ae8
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 'generators'. The presence of a visual download button lure further supports the deceptive nature of the document. Although no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a phishing attempt to redirect users to potentially harmful content.

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.tw/app/431946152/roblox-free-clothes-hack-mobile-game-hack In PDF document text
    • http://manfeld.dk/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://manfeld.dk/images/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://manfeld.dk/images/free-spins-coin-master-cheat_GM406889139.pdfIn PDF document text
    • http://manfeld.dk/images/coin-master-hack-spins-game-download_GM406889139.pdfIn PDF document text
    • http://manfeld.dk/images/mcpe-hacks_GM479516143.pdfIn PDF document text
    • http://manfeld.dk/images/minecraft-thumbnail-maker-free_GM479516143.pdfIn PDF document text
    • http://manfeld.dk/images/what-is-a-robux_GM431946152.pdfIn PDF document text
    • http://manfeld.dk/images/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
    • http://manfeld.dk/images/pokemon-go-free-youtube_GM1094591345.pdfIn PDF document text
    • http://manfeld.dk/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://manfeld.dk/images/is-minecraft-free_GM479516143.pdfIn PDF document text
    • http://manfeld.dk/images/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://manfeld.dk/images/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://manfeld.dk/images/cm-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://manfeld.dk/images/is-minecraft-free-on-xbox_GM479516143.pdfIn PDF document text
    • http://manfeld.dk/images/google-moon-active_GM406889139.pdfIn PDF document text
    • http://manfeld.dk/images/free-hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • http://manfeld.dk/images/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • http://manfeld.dk/images/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
    • http://manfeld.dk/images/coin-master-free-spins-no-human-verification_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005236.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5236 25176 bytes
SHA-256: 98495e31fe0462b857a80a6275256226fef790fd9b2f69a47ec2119d85922fde
font_01_sfnt_off00008ce3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CE3 2824 bytes
SHA-256: 94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4
font_02_sfnt_off00009692.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9692 18932 bytes
SHA-256: d420f3c0ad16cabf816993c53c0bc4539ff81fd7d6c89674f39e906701e8fcaa

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