Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ce9b43689c2c0e2…

MALICIOUS

PDF

45.8 KB Created: 2021-05-16 15:47:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 306a6dfb65a64e3863a567c2a6298fd8 SHA-1: f611e50eb7706a8a9d8472eaf91b4f630fc14663 SHA-256: 5ce9b43689c2c0e2e0f5940dd6ccf5d798f6bbdeefe2d0d421c003e6fd6b4b5e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'free Robux' or game hacks. The document body and extracted URLs strongly suggest a phishing or scam attempt designed to trick users into visiting potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of malicious intent, likely leading to further malware downloads or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

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.xyz/app/431946152/free-robux-no-human-verification-or-survey-game-hack In PDF document text
    • http://iluvlocalplaces.com/images/coin-master-free-spins-hack-apk-download_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/wurst-hacks_GM479516143.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/how-to-hack-coin-master-game-2021_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/download-coin-master-apk-hacked_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/coin-master-hack-pc-2021_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/how-to-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/robux-gift-card-free_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/https-oprewards-com-roblox_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/bux-gg-robux-free_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/coin-master-2021_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/how-to-get-free-minecoins-in-minecraft_GM479516143.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/best-free-hacked-client_GM479516143.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/play-full-version-of-minecraft-for-free-no-download_GM479516143.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/free-robux-generator-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/coin-master-hacks-for-gold-cards_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/get-free-robux-info_GM431946152.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_003_off000048bf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48BF 25568 bytes
SHA-256: b08ee8dc208814a3036e432e8112ff5961f80ab062c2e39a706b3b036f01cd7a
font_01_sfnt_off000083a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83A6 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00008db5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DB5 19156 bytes
SHA-256: 67fe8f54727a48f1cd96414783693fce3a40c8eaba0da55a0542d393d9c1d7aa

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