Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8fe17f17bd2cdbd…

MALICIOUS

PDF

48.0 KB Created: 2021-06-03 12:18:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 8c4acf9c8c06d5d130213f3daa1d4b3c SHA-1: 3a8fdf0b10454346797ecde25e7786433df6a1ef SHA-256: a8fe17f17bd2cdbd9a4341c091598ae6be81a247ca93769aacf179487188a8e6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, masquerading as free game hacks or generators. The ML classifier strongly indicated maliciousness, and the embedded links are known to lead to harmful content. The document body, though heavily obfuscated, contains references to game-related lures and URLs, reinforcing the phishing pretext.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.online/app/479516143/minecraft-net-free-game-hack In PDF document text
    • https://labdagatismk1pundong.com/repository/free-coin-master-links_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/easy-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/https-iosgodscom-topic-20214coinmasterhack_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-apk-hack-358_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/minecraft-skins-download-free_GM479516143.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/robux-free-online_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/roblox-premium-free_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-disney-plus-accounts-tiktok_GM835599320.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-cheats-and-hacks_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-minecraft-skins-girl_GM479516143.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-hack-apk-android_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-spin-link-of-coin-master_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/roblox-free-items-2021_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/coin-master-hack-to-get-free-spins_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/roblox-executor-free_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/free-robux-no-verification-no-survey_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000052d1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x52D1 29636 bytes
SHA-256: b4f7844e4aebcc8939036d2b66e481fef372a9f7bad2721b7d760cdadf6f9ee5
font_01_sfnt_off00009155.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9155 2912 bytes
SHA-256: fa76cc2dab30b56d5305de71ce949b6adffd6580af2f26905a33966a3200adbb
font_02_sfnt_off00009b51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B51 17568 bytes
SHA-256: faeb95cc6d96c3cea1ae90d4178fb3ee4a8ce77703e61043965722cb1ebd81f6

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