Malicious PDF — malware analysis report

Static analysis result for SHA-256 aae68fef455c8e72…

MALICIOUS

PDF

34.9 KB Created: 2021-07-03 13:54:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 18b2d639713098501f34f64bf634695f SHA-1: 25e14323269c748400955e55748a6229b21773cb SHA-256: aae68fef455c8e721cb499454633d71f1949c22dfa2e1774ea0a2a140bb90662
160 Risk Score

Malware Insights

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

The PDF document contains a lure related to game hacks and generators, directing users to a known malicious redirector URL. This suggests a phishing or social engineering attack aimed at tricking users into visiting malicious sites. The ML classifier also strongly flagged this PDF as malicious.

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/minecraft-pe-server-hosting-free-game-hack In PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/minecraft-windows-10-edition-free-with-java_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/try-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/roblox-2021-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/https-iosgodscom-topic-20214coinmasterhack_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/minecraft-ps3-free-download_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/minecraft-pe_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/hack-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/show-me-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/free-coin-master-spins-daily_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/como-hackear-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/free-links-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/free-tiktok-fans-no-verification-2021_GM835599320.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/skyline-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/roblox-hack-build-you-one-boat_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/is-roblox-on-ps4-free_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ciamis.sch.id/__statics/gudangsoal/files/free-robux-scam_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_off000033b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33B7 22552 bytes
SHA-256: 313630ca27896f42f3b52fe6c47ae97e4edc76d256fe15dcbfb6ec5786b1881a
font_01_sfnt_off000065fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65FA 18264 bytes
SHA-256: 5ec3f0b561cebc5d47f64e939320a46a649b92723dcace5f5f230f044584545d

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