Malicious PDF — malware analysis report

Static analysis result for SHA-256 dff6ad2d34cb7a18…

MALICIOUS

PDF

50.2 KB Created: 2021-06-07 07:31:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 82f7852fa64b0da1ac920cd4ef333df6 SHA-1: 6380a54e0e920b07d95e1957a66bbf3b82d24e38 SHA-256: dff6ad2d34cb7a18e0487c1f5ad3acc1e56ba157789141cf37889b9fb967d3da
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'robux hacks' and similar game-related lures. The embedded URLs and the heuristic firings strongly indicate a phishing or scam attempt designed to lead users to potentially harmful content. No scripts were extracted, but the document's structure and embedded URLs are sufficient to assess its malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9789

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.tw/app/431946152/robux-hack-2021-no-human-verification-game-hack In PDF document text
    • http://elitesoftsolutions.com/images/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-free-spins-link-march-2021_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-robux-without-verify_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-robux-images_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-free-spins-cheat-codes_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/how-to-get-free-coins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/roblox-hack-game_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/how-to-make-your-own-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/get-coin-master-cards-free_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-heaven-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/coin-master-spin-and-coins-free_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/master-coin-free-link_GM406889139.pdfIn PDF document text
    • http://elitesoftsolutions.com/images/hack-ultimate-driving-dinero-infinito-roblox_GM431946152.pdfIn PDF document text
    • https://www.communes.comIn PDF document text
    • https://rblx.landIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000055bf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x55BF 26220 bytes
SHA-256: e0130b0d9698bfcc033f2a837171c5db12924aa19a381bed3138904265e6ed03
font_01_sfnt_off000092ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92AD 3500 bytes
SHA-256: e49a868379cd3c37e631c5a53c010e21f38d803532a2b8417aee82315d4e8634
font_02_sfnt_off00009e4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E4F 19268 bytes
SHA-256: 4ab6d8ca495dc20e12286bfbcb5b5795ffdaa0591c3a91f7d4955689f04506b9

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