Malicious PDF — malware analysis report

Static analysis result for SHA-256 46d70b9a373fcd98…

MALICIOUS

PDF

47.5 KB Created: 2021-06-03 05:01:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 146702a31bdfabe3ff6ede271c8b1baa SHA-1: aa9263ded529fb239e73cf56723931d8642927a8 SHA-256: 46d70b9a373fcd9811145ad810526eb1478b1ec774b81b924ab1d5a3d4f68b40
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'free Robux' or game hacks. The document body and embedded links strongly suggest a social engineering lure designed to trick users into visiting potentially harmful websites. The presence of redirector links and the ML classifier's high confidence score indicate a malicious intent to deliver a payload or further compromise the user.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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/free-robux-no-verification-no-survey-game-hack In PDF document text
    • https://fridaytravelnepal.com/userfiles/files/coin-master-hack-tool_GM406889139.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/minecraft-free-download-no-virus_GM479516143.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/free-roblox-printables_GM431946152.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/free-robux-site_GM431946152.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/hackear-juego-coin-master_GM406889139.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/roblox-free-rubox_GM431946152.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/free-game-pack-coin-master_GM406889139.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/free-printable-roblox-coloring-pages_GM431946152.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/coin-master-card-collection-hack-apk_GM406889139.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/free-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/how-to-hack-coin-master-apkmody_GM406889139.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/coin-master-daily-free-rewards_GM406889139.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/spin-free-coin-master_GM406889139.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/como-hackear-juego-coin-master_GM406889139.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/get-free-robux-info_GM431946152.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://fridaytravelnepal.com/userfiles/files/tiktok-for-free-movies_GM835599320.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000523a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x523A 25060 bytes
SHA-256: 8265d0bd8194256b6817020e07b352089158be0becbe21ea382ee61cba7a0cde
font_01_sfnt_off00008b2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B2D 2824 bytes
SHA-256: 94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4
font_02_sfnt_off000094db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94DB 18892 bytes
SHA-256: 71091a6cc5ee2467f7d55b23aad8276d14a961c51a29e0f15aa3bcc69cbd56da

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