Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c71c662fc12fc08…

MALICIOUS

PDF

35.2 KB Created: 2021-06-18 09:00:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 269e17471b1dd4f0e6dee4b9a7a481af SHA-1: e035b8c3e43158b73dad7d8d17dc3f457d2ff6f5 SHA-256: 7c71c662fc12fc0859833342533ab34ce91e325a601871e55b7c4902899d01a9
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that are identified as malicious redirectors, specifically luring users with promises of game hacks and generators. The ML classifier also flagged this PDF with high confidence. The document body contains the primary lure URL and other related URLs, suggesting a phishing or scam attempt to redirect users to 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/cheat-roblox-money-lumber-tycoon-2-game-hack In PDF document text
    • http://safwafurniture.com/images/robux-free-com_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/roblox-apocalypse-rising-hack-2021-still-working_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/dev-console-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/500-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://safwafurniture.com/images/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://safwafurniture.com/images/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://safwafurniture.com/images/free-robux-website-that-works_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/coin-master-pc-game-free-download_GM406889139.pdfIn PDF document text
    • http://safwafurniture.com/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/free-robux-codes-for-400_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/roblox-executor-cheat-engine_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://safwafurniture.com/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://safwafurniture.com/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://safwafurniture.com/images/robux-hack-911-pastbin_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/is-minecraft-free-on-pc_GM479516143.pdfIn PDF document text
    • http://safwafurniture.com/images/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/free-spin-link-coin-master-today_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_002_off00002e9a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2E9A 23320 bytes
SHA-256: c92cba325bf3c685ce0b690da16f59e8e4cc79217450198fd5837de6fdb240d2
font_01_sfnt_off00006343.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6343 19468 bytes
SHA-256: d893e023665e12f841abb9e07b33a0bec8e29fb89f6ad04d78acddc046cbbc93

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