Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf93ee69a7948284…

MALICIOUS

PDF

41.8 KB Created: 2021-05-25 09:01:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 148ccd4586afbe5782b9a5e8e807c432 SHA-1: 7a36d92543f3e9bb4169978c4a7960fe27e3216a SHA-256: bf93ee69a794828412b3e32e740fe7ac2042f80da6161bff70c2d8181a37b671
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites offering game hacks and generators, with a primary link identified as a malicious redirector. The document body also contains a call-to-action phrase, 'CLICK HERE TO ACCESS ROBLOX GENERATOR', reinforcing the lure. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lures suggest an attempt to redirect the user to a malicious site, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9491

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/how-to-get-hacks-on-roblox-game-hack In PDF document text
    • https://www.owlweb.co.uk/uploads/files/files/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • https://www.owlweb.co.uk/uploads/files/files/coin-master-gold-cards-free-2021_GM406889139.pdfIn PDF document text
    • https://www.owlweb.co.uk/uploads/files/files/claimrobux-net_GM431946152.pdfIn PDF document text
    • https://www.owlweb.co.uk/uploads/files/files/how-to-get-free-hair-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.owlweb.co.uk/uploads/files/files/robux-codes_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
stream_002_off000034af.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34AF 33480 bytes
SHA-256: 2f44d00d6b26217190e0bca26c38a8dc15fe4c1234a56113c6ae166bfe9780e5
font_01_sfnt_off000081eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81EB 18452 bytes
SHA-256: ed539d80bc369dd702df4747cf339a34006ca6a67146fd9e518381a10bf40547

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