Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d7a615993a90cce…

MALICIOUS

PDF

35.1 KB Created: 2021-06-30 02:51:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: c05fb536aedafd76a5905db449b56b2a SHA-1: 586d84d75e391c25b11cbbaa83dc6d57f45be70a SHA-256: 6d7a615993a90cce5f49cb04a873004ed5a8cba70e13f7c5f4c48f9260a8bd7d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains multiple heuristics indicating malicious redirector links, specifically targeting users with lures for game hacks and free generators. The primary link directs to a known malicious redirector infrastructure. The document body contains obfuscated text and URLs, reinforcing the lure to download potentially harmful content.

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-hacked-download-apk-game-hack In PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/download-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/pokemon-go-free-spoofer-ios_GM1094591345.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/pokemon-go-free-weekly-remote-raid-pass_GM1094591345.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/free-roblox-pin-codes_GM431946152.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/minecraft-story-mode-free-download_GM479516143.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/coin-master-free-spin-app-reviews_GM406889139.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/minecraft-pocket-edition-free-ios_GM479516143.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/free-robux-com_GM431946152.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/hjow-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/how-to-get-free-spins-grom-coin-master_GM406889139.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/get-a-profesional-roblox-game-cover-for-free_GM431946152.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/free-robux-promo-codes-november-2021_GM431946152.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/free-accessories-roblox_GM431946152.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/how-to-play-minecraft-with-friends-for-free_GM479516143.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/how-to-change-your-username-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/how-to-hack-at-roblox_GM431946152.pdfIn PDF document text
    • https://www.jonaled.com/uploaded_files/userfiles/files/free-spin-link-for-coin-master_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
font_00_sfnt_off0000310b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x310B 22436 bytes
SHA-256: 62697a0d8c1ffed4f0eb0fb54bae933d4fa86136c5726258dd436006da27b8c7
font_01_sfnt_off000062fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62FB 19340 bytes
SHA-256: 7cdb1ed6f60f82e3856f790274701d91c206a4ca1061ea41b23b77089809b3f6

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