Malicious PDF — malware analysis report

Static analysis result for SHA-256 bce1cfc74a45f529…

MALICIOUS

PDF

33.5 KB Created: 2021-06-26 09:34:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: f492de839306f255f9b2932df73f4621 SHA-1: 5c2bde27ab5228e3ff58e28b70dc8bd5bcd76741 SHA-256: bce1cfc74a45f529e9dee3dc82a25fab51055962c820f3dd658278c5ccb4823b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, masquerading as game hacks or generators. The heuristic firings indicate that these links are designed to lure users into potentially harmful websites. While no scripts were explicitly extracted, the document body and embedded URLs strongly suggest a phishing or scam attempt, likely leading to further malware download or credential harvesting.

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/free-cafe-groups-roblox-game-hack In PDF document text
    • http://parsbaft.com/images/robux-and-tix-hack-no-survey-no-download_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/app-master_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-hack-apk-app_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-hackcom-xyz_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/cheat-files-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/master-free-spin-and-coin-link_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/mcpe-master-unlimited-coins-free-download_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/catalog-roblox-free-hair_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-hutt-cartel-tatooine-free_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/hack-roblox-plusieur-onglet_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-free-spins-2021-blogspot_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/pokemon-brick-bronze-roblox-hack_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-hack-version-download-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002dc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DC0 21840 bytes
SHA-256: 33304d56915ef6f66d602b517c8aa0f69b06a3d4d31f5a61ddcd73ff9e5fd812
font_01_sfnt_off00005e03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E03 18968 bytes
SHA-256: af481da07cd75242b45ee0d6741e971dadc10d7a89e791268b5e4e982026afa7

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