Malicious PDF — malware analysis report

Static analysis result for SHA-256 d48d7a7c5b978679…

MALICIOUS

PDF

35.1 KB Created: 2021-06-29 17:52:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 55353c4cdcae916fa88f408822d94c97 SHA-1: a473f0b7a60f6f3b783c2f757d52aaba281f8c3d SHA-256: d48d7a7c5b97867984e2a2aa68b9a1fb0fc8f796989949ff4801bd7d8c94936a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites that are identified as malicious redirectors, specifically promoting game hacks and generators. The document body and heuristic firings strongly indicate a lure for free in-game items, which is a common social engineering tactic to drive traffic to potentially harmful sites. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

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/roblox-money-hack-vehicle-simulator-game-hack In PDF document text
    • http://www.europeancamerata.com/userfiles/files/free-robux-promo-generator_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/minecraft-pe-free_GM479516143.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/free-roblox-codes-website_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/free-robux-message-wont-go-away_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/synapse-roblox-free_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/imaflynmidget-roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/free-robux-hack-2021-no-human-verifaction_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/free-roblox-codes-gift-card_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/coin-master-hack-ios-cydia_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/who-to-hack-pubg-uc_GM1330123889.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/roblox-skywars-infinite-coins-hack_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/where-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/legit-coin-master-hack-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/how-to-get-free-robux-fast-no-waiting_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/master-coin-hack-apk_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_off000030ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30AB 22280 bytes
SHA-256: 05ebb952f2ba43d7342638c054af3ce79ed867069b0a49688caa57708ff6fe51
font_01_sfnt_off000061bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61BF 19956 bytes
SHA-256: 945a6fe9ee2615840401165a361da2a7998dda8f37b2966b8509dbafc1c1d2eb

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