Malicious PDF — malware analysis report

Static analysis result for SHA-256 85470d1c7cabe480…

MALICIOUS

PDF

44.9 KB Created: 2021-05-19 09:13:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7f63fba3d12bdcc660d6524cdfca48e2 SHA-1: 3c608829a361ad4648137cab1d5c2f5f92aeb109 SHA-256: 85470d1c7cabe4803cbc9f859a7f64e91768fe6c2dfaff91b42c55acb99fe35e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to known malicious infrastructure, specifically advertising a "game hack" generator. The document body and extracted URLs suggest a lure for users seeking in-game currency or cheats, which is a common social engineering tactic. No scripts were extracted, but the presence of malicious redirectors and the lure indicate a high likelihood of this document being used for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/1330123889/pubg-uc-50-tl-game-hack In PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/coin-master-fan-page-giveaway_GM406889139.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/play-coin-master-online-free_GM406889139.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/sites-for-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/roblox-admin-hack_GM431946152.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/my-robux_GM431946152.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/pubg-hack-uc-20219_GM1330123889.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/earn-roblox_GM431946152.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/coin-master-hack-online-download_GM406889139.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/coin-master-free-spins-link-2021-hack_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_off00004978.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4978 30020 bytes
SHA-256: 2796aab2bd3f250cdd624b62cba7d42b94afc1980cb6281c25ae42d6d5874eaf
font_01_sfnt_off00008d7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D7C 18276 bytes
SHA-256: 704b4805083d6c77cce0c5d0481185fe70900f65bd6aa009c858ac29651741b9

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