Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0e2b043c0d5ee01…

MALICIOUS

PDF

33.8 KB Created: 2021-07-05 08:48:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 89c97d88499749b6d40347e6934cfe17 SHA-1: 7b2a8858ef330741997fb4667c06c20a3a015a50 SHA-256: f0e2b043c0d5ee01ee56c35094ea966c313a4add94a39d4edccf8fc2fb8940a5
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to malicious redirectors and other malicious PDFs, masquerading as game hacks and generators. The primary lure is for 'Coin Master' game hacks, directing users to http://netcdn.tw/app/406889139/how-to-get-free-cards-for-coin-master-game-hack, which is flagged as a malicious redirector. The document body also contains numerous links to other PDFs hosted on bepquannhu.vn, likely serving as a distribution point for further malicious content.

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.tw/app/406889139/how-to-get-free-cards-for-coin-master-game-hack In PDF document text
    • http://bepquannhu.vn/upload/editor/files/bypass-roblox-cheat-engine_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/roblox-go-through-walls-hack_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/roblox-can-someone-hack-my-account-with-username_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/tiktok-free-search_GM835599320.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/synapse-roblox-exploit-free-download_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/roblox-render-free_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/all-coin-master-spin-link-and-free-download_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-roblox-giveawayscom_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/rbx-robux_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/roblox-free-jeff-the-killer-cape_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-gold-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/coin-master-free-spins-and-coins-app_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/levvvel-coin-master_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/e-hack-roblox_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/roblox-how-to-get-free-hats-on-roblox-high-school_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/minecraft-wurst-hacked-client_GM479516143.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/coin-master-hack-2021-iphone_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_off00002ed6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2ED6 22528 bytes
SHA-256: 0997445848c68170e2c81273e7c06ab86923e0f6cb0c7cf3b322da8d1f6c056d
font_01_sfnt_off0000612f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x612F 18336 bytes
SHA-256: 15242994a42ebdf44c9dcbe0328f4197bf2c78ad46047b4e2150cb6a30a2cddb

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