Malicious PDF — malware analysis report

Static analysis result for SHA-256 085994f6736ac1f1…

MALICIOUS

PDF

34.0 KB Created: 2021-06-18 12:01:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: c03e76e55fca5b13db97e93532e06df6 SHA-1: ca66920b417266b10ffbbbf0da769775aa7d54ac SHA-256: 085994f6736ac1f1eabf5761837db12e08a073ca433943904c68969f44cee211
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains multiple links to websites offering game hacks and cheats, such as 'roblox-teleport-cheat-game-hack'. The presence of a 'free generator / game hack' redirector lure and a visual download button strongly suggests a malicious intent to trick users into downloading malware or visiting a phishing site. No scripts were extracted, but the document's structure and embedded URLs are indicative of a social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector high 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/roblox-teleport-cheat-game-hack PDF link annotation
    • https://ogm-goettingen.de/images/free-roblox-gift-card_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/how-to-get-free-coins-on-tiktok_GM835599320.pdfIn PDF document text
    • https://ogm-goettingen.de/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-hack-android_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-arsenal-hacks_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-hack-spin-link_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/cheat-for-i-dont-feel-so-good-simulator-roblox_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/hack-coin-master-32-mod-apk_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-gameplay_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/roblox-how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/minecraft-iphone-free_GM479516143.pdfIn PDF document text
    • https://ogm-goettingen.de/images/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://ogm-goettingen.de/images/roblox-cheat_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-robux-by-roblox-roblox_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e50.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E50 22616 bytes
SHA-256: 79ff0501ed0bd49f051bb4d8461bb49005fff3578394d890ad4999f6dfcacc4a
font_01_sfnt_off000060be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60BE 18744 bytes
SHA-256: eb29bc970266a79445dd12e3759ea25ad947111b059d6062a5e04d6e8a121805

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