Malicious PDF — malware analysis report

Static analysis result for SHA-256 01edf8626ac96d7d…

MALICIOUS

PDF

41.3 KB Created: 2021-04-24 03:12:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 8fbd2ba68686cc422f4d222f14974177 SHA-1: 963b14c7e117ffb901b6f20cbae417c2a9bb3bcc SHA-256: 01edf8626ac96d7d1842bbe2fb634252d850ded866f240210611e7a05db45598
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a link that redirects to a malicious URL, masquerading as a 'Roblox Fly Hack'. This lure is designed to trick users into clicking the link, likely leading to a further malicious download or exploit. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://netsecure.top/app/431946152/roblox-fly-hack-2021-game-hack PDF link annotation
    • http://manegeri1kotatasikmalaya.sch.id/__statics/gudangsoal/files/bloxburg-free-on-roblox.pdfIn PDF document text
    • http://manegeri1kotatasikmalaya.sch.id/__statics/gudangsoal/files/774-hack-roblox-jailbreak.pdfIn PDF document text
    • http://manegeri1kotatasikmalaya.sch.id/__statics/gudangsoal/files/5-real-roblox-games-that-give-free-robux.pdfIn PDF document text
    • http://manegeri1kotatasikmalaya.sch.id/__statics/gudangsoal/files/roblox-broken-bones-4-hack.pdfIn PDF document text
    • http://manegeri1kotatasikmalaya.sch.id/__statics/gudangsoal/files/i-succ-for-free-robux.pdfIn PDF document text
    • http://manegeri1kotatasikmalaya.sch.id/__statics/gudangsoal/files/roblox-stucid-fly-hack.pdfIn PDF document text
    • http://manegeri1kotatasikmalaya.sch.id/__statics/gudangsoal/files/free-money-codes-for-roblox.pdfIn PDF document text
    • http://manegeri1kotatasikmalaya.sch.id/__statics/gudangsoal/files/hacks-para-mad-city-roblox.pdfIn PDF document text
    • http://manegeri1kotatasikmalaya.sch.id/__statics/gudangsoal/files/roblox-hacks-jhon-doe.pdfIn PDF document text
    • http://manegeri1kotatasikmalaya.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-with-editthiscookie.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_off0000445d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x445D 25012 bytes
SHA-256: 504b733dd4fdc2f93f356ee38697f678680dbd7c3b6e8df33d4199afa14c1221
font_01_sfnt_off00007dd7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DD7 18928 bytes
SHA-256: ac0b32f2b11b1779834555ac09ea470062c0c626593a2924d7b5a46c1fabc6de

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