Malicious PDF — malware analysis report

Static analysis result for SHA-256 eae529b25136bd9c…

MALICIOUS

PDF

41.8 KB Created: 2021-05-16 04:42:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4177943131b2712b88c99bab048cf015 SHA-1: 5be17db2e831c9a8b307468e170d79f6339f411a SHA-256: eae529b25136bd9c224db5584da4310d43004eb88f8cbbba67e00599ff3923a2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising game hacks and free currency for games like Coin Master. The document body and extracted URLs strongly suggest a social engineering lure to drive traffic to potentially malicious websites. While no scripts were explicitly extracted, the nature of the links and the lure indicate a phishing or scam attempt, likely delivered as a spearphishing attachment.

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/406889139/free-mods-for-coin-master-game-hack In PDF document text
    • http://pwpyemen.org/images/what-is-wurst_GM479516143.pdfIn PDF document text
    • http://pwpyemen.org/images/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/all-coin-master-spin-link-and-free-download_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/coin-master-hack-coins_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • http://pwpyemen.org/images/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/links-to-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/free-robux-no-human-verify_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/free-roblox-printables_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/free-face-roblox_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/how-many-levels-in-coin-master_GM406889139.pdfIn PDF document text
    • http://pwpyemen.org/images/scary-larry-roblox_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://pwpyemen.org/images/free-roblox-passwords_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/roblox-script-hack_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://pwpyemen.org/images/how-to-earn-free-stars-on-coin-master_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_off000049fb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49FB 24428 bytes
SHA-256: 57b3c6b7da68528c6497ef23e1e690bdb4d20c3078a0668ce9775a49756c71b1
font_01_sfnt_off00008216.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8216 17884 bytes
SHA-256: d16c5c599d3d6644d5dbf16cf85a8b89a6ca3b5553b7cae5f604ea90f23cd4c8

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