Malicious PDF — malware analysis report

Static analysis result for SHA-256 02339d2bad7fba98…

MALICIOUS

PDF

35.4 KB Created: 2021-07-07 19:09:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: d7e64c5306b4864515f8366549cce7fc SHA-1: 12afe3ef783f79aafe4a9d5396fe2f323ad1185a SHA-256: 02339d2bad7fba98c02edc10367b131c26a1c92836858e08d06a5cca638d7b55
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically promoting game hacks and free currency. The primary lure appears to be related to 'Coin Master' and 'Robux' generators. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or social engineering attack aimed at redirecting users to potentially harmful websites, likely for credential harvesting or further malware delivery.

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/406889139/coin-master-free-link-game-hack In PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/give-me-robux-now_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/working-roblox-hack-ddls_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/50-robux-free_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/pokemon-go-free-7km-eggs-july-2021_GM1094591345.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/collect-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/bird-simulator-roblox-cheats_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/hacking-roblox-citizen_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/unlimited-robux-2021_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/devil-roblox-tshirt-free_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/free-spins-coin-master-facebook_GM406889139.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/pet-trainer-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/free-shoulder-pets-in-roblox_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/coin-master-free-coins-link_GM406889139.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_off00003510.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3510 22832 bytes
SHA-256: 68eb15cc84cb6d1e46beed7e31c598a148d80eb113af7a7eca390924db9fa8cf
font_01_sfnt_off0000683d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x683D 18168 bytes
SHA-256: 7e3864b359ae4e20f98f554aea3d5366a72fce57ca0fb6405be6acd76bdcbaac

Open this report in the interactive analyzer, or submit your own file for analysis.