Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2ea9260700990b0…

MALICIOUS

PDF

35.9 KB Created: 2021-06-29 16:27:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6d50835d8492e0b5f2ab145d8e3caec9 SHA-1: e15b7cce11870020eb8612813ff26514411068d3 SHA-256: a2ea9260700990b0948a18f433d1fd3e10fb67837827282bebc4babed211c3a9
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'free Robux' and 'game hacks', directing users to a malicious URL. Heuristics indicate the PDF links to known malicious redirector infrastructure and is flagged by an ML classifier. The embedded URL is the primary indicator of malicious intent, likely serving as a gateway to a phishing site or malware.

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 http://netcdn.co/app/431946152/how-to-get-robux-for-free-xbox-one-game-hack In PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/coin-master-free-spins-glitch_GM406889139.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/is-overdrive-roblox-exploit-free_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/roblox-avatar-girl_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/free-robux-kids-hack_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/hoow-to-get-robux-no-hacks_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/coin-master-hack-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/roblox-hack-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/coin-master-blogspot-links_GM406889139.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/hack-to-protect-village-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/roblox-controversy_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/roblox-cheat-cra-crusher_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/free-robux-no-human-verification-and-no-survey_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/roblox-free-robux_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/how-to-hack-a-minecraft-server-and-make-yourself-op_GM479516143.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://www.sahebspices.com/uploaded_files/userfiles/files/free-robux-by-roblox-astebin_GM431946152.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
font_00_sfnt_off000034fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34FA 22600 bytes
SHA-256: 7ad2813bac8911aa39be9a89f88e87bf82a1014dbb427280c009215c5e2f673b
font_01_sfnt_off00006768.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6768 18984 bytes
SHA-256: 915cba775f65ebde9ab62e5363915e512e3193f0f9b742c1b7aa44c88ca08810

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