Malicious PDF — malware analysis report

Static analysis result for SHA-256 e98602f8103449c5…

MALICIOUS

PDF

34.8 KB Created: 2021-07-05 23:55:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 3da2e081016bc0d680f576ea9166abec SHA-1: 973f2890ffb2e2082ebc1ddbff39ec5130aacf10 SHA-256: e98602f8103449c5e226461f37b3cfdbf4b4e6203cde524cfa411364964b3d22
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one pointing to a known malicious redirector infrastructure at http://netcdn.tw/app/479516143/how-to-downgrade-minecraft-pe-game-hack. The document body and extracted URLs suggest a lure related to game hacks and cheats, likely to trick users into downloading malicious payloads or visiting phishing sites. No scripts were extracted, but the presence of multiple malicious links indicates a high likelihood of a phishing or malware distribution attempt.

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/479516143/how-to-downgrade-minecraft-pe-game-hack In PDF document text
    • https://dentmate.com.tw/image/data/files/free-roblox-account-getter-v3rmillion_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/wwwcoin-master-hack-apk_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/unlimited-robux-hack-download-android_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/haktuts-coin-master-free-spin-link-today_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/robux-hack-tools_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/i-got-hacked-what-do-i-do-roblox_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/are-robux-generators-safe_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/free-gamepasses-roblox-v3rm_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/actual-free-robux_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/coin-master-free-cards-link_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/game-toolbox_GM479516143.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/coin-master-hack-cheat-generator-coins-and-spins-unlimited_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/500-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/denis-daily-roblox-free-robux_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/coin-master-heaven-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/a-lot-of-robux_GM431946152.pdfIn PDF document text
    • https://dentmate.com.tw/image/data/files/how-to-get-meme-hacks-on-roblox_GM431946152.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_off00003319.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3319 22176 bytes
SHA-256: 20143864b7a87ce61f5482ff2830da21d6f5d53b62dc801c3b970119c25a1b3d
font_01_sfnt_off0000642c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x642C 18656 bytes
SHA-256: f671632c41bdcd8896512b89e0179723263a2bce0274879a7730ace5e1a9329c

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