Malicious PDF — malware analysis report

Static analysis result for SHA-256 acdf365c38ea1068…

MALICIOUS

PDF

44.4 KB Created: 2021-06-03 06:56:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: cd577cd2dda0128f724b0474a94dcac6 SHA-1: 69cbd46c27178d451445b7a20f8b9fb9d9546761 SHA-256: acdf365c38ea106848967a9248c0f245add40b9e961cb03ff6f546d06579df0a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document employs a game hack lure to redirect users to malicious infrastructure. The document body contains a primary URL pointing to a 'free generator / game hack' page, which is also flagged by heuristics as a malicious redirector link. Multiple other PDF files hosted on 'raqam.net' are also referenced, suggesting a campaign distributing various scam-related documents. No scripts were extracted from this sample, but the embedded URLs and redirector behavior indicate a phishing or scamming attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/431946152/how-to-get-roebucks-in-roblox-game-hack In PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/free-robux-mod_GM431946152.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/roblox-download-pc-free_GM431946152.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/free-robux-scam_GM431946152.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/today-free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/free-robux_GM431946152.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/free-spins-coin-master-android_GM406889139.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/coin-master-free-pet-food_GM406889139.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/tiktok-views-free_GM835599320.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/robux-hack-tools_GM431946152.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/roblox-free-rubox_GM431946152.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/minecraft-free-version_GM479516143.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • http://raqam.net/uploaded_files/userfiles/files/coin-master-daily-free-cards_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004e62.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E62 26940 bytes
SHA-256: d468e5bb331d5b851ed542d0b243df2a4b1170e1878fc09e0f110a7d4bf22fd4
font_01_sfnt_off00008aab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AAB 18364 bytes
SHA-256: ef1b78a66279658933fe2b8668a06e9e8330ca7c94d89169a06b9c8d822bf7c7

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