Malicious PDF — malware analysis report

Static analysis result for SHA-256 afbc7daf792c7ae7…

MALICIOUS

PDF

34.5 KB Created: 2021-06-21 06:43:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: ad03a6269c564c4d8a8284bd1f906510 SHA-1: 9ab6a4bcafe438a5bffe0617a082f42d381a844f SHA-256: afbc7daf792c7ae7bb7b5d13d00baf35574662361a621ce96f14156897d39018
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to known malicious infrastructure, specifically advertising free game hacks and generators. The document body and embedded URLs suggest a lure for users seeking in-game currency or cheats, which is a common social engineering tactic. The presence of embedded URLs and the nature of the lures indicate a phishing or scam attempt, likely leading to further malware download or credential harvesting.

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.co/app/431946152/ad-robux-hack-game-hack In PDF document text
    • https://fordogtrainers.mx:443/images/roblox-password-hacker_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/rbxoffer-com-free-robux_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/real-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/real-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/free-card-codes-for-robux_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/free-robux-ohne-handynummer_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/free-minecraft-account-generator_GM479516143.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/pubg-uc-kr_GM1330123889.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/free-tiktok-followers-no-human-verification-or-survey-2021_GM835599320.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/10-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/cpbildco-robux_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/robux-win-redeem-code-hack_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/how-to-make-a-developer-product-free-on-roblox_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/what-is-coin-master-app_GM406889139.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/a-lot-of-robux_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/how-to-get-free-robux-without-downloading-any-games_GM431946152.pdfIn PDF document text
    • https://fordogtrainers.mx:443/images/tp-hack-roblox-execute-command_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_off0000308d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x308D 22244 bytes
SHA-256: c3f8fea2aaab88ddea5a8f562d255218a278818c0ce5b83bb10a5acd2749ea55
font_01_sfnt_off000061f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61F3 18896 bytes
SHA-256: bb4ead6f8e19e32fcddf50d9277451132ba77d554540d1e3c2bc4be494eb5ccd

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