Malicious PDF — malware analysis report

Static analysis result for SHA-256 603c86f0fc44c5b2…

MALICIOUS

PDF

57.1 KB Created: 2021-05-16 10:15:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 8b4e1c7bbd6015625d718d9e5c9d7bee SHA-1: 2106d12eb24187166d2f17148e9eec2f725cc915 SHA-256: 603c86f0fc44c5b25e1dbcc9364456f59b7dd7f9c852bb478101fc4633530ca8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and websites offering 'game hacks' and 'free items', indicating a social engineering lure. The heuristic firings confirm the presence of malicious redirector links and a general lure for game-related cheats. While no scripts were explicitly extracted, the PDF structure itself contains embedded actions that likely lead to these malicious URLs, suggesting an attempt to drive users to potentially harmful content or further downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8347

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/406889139/coin-master-spin-cheat-game-hack In PDF document text
    • http://iluvlocalplaces.com/images/coin-master-fan-hack_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/minecraft-java-edition-key-free_GM479516143.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/get-free-robux-now_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/is-windows-10-minecraft-free_GM479516143.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/coin-master-free-spins-iphone_GM406889139.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/get-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/robux-gift-card-free_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/coin-master-free-spins-gratis_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/coin-drop-master-free_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/minecraft-windows-10-hack-client-2021_GM479516143.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/coin-master-get-free-spins_GM406889139.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/is-minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/coin-master-hack-without-verification_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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004c20.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C20 30088 bytes
SHA-256: 163e4e253abb9e117a9569a449e3ebb90356fc393811cc41efca0df58df567eb
font_01_sfnt_off00008f6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F6D 3692 bytes
SHA-256: ba279dc4e71f561d3d07181743d495f2bfb24ac9e347605f73a0d94d271be77e
font_02_sfnt_off00009c6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C6B 7960 bytes
SHA-256: cf7ae5cf6bef3222f5a26bec705b492fed0278aec6b16ec101aeda46e0edd2b2
font_03_sfnt_off0000af90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAF90 17888 bytes
SHA-256: 6e952cda52cab557889c44e050e091d78c8f903a1a78f0754c4b08395fb72fca
font_04_sfnt_off0000d064.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD064 4272 bytes
SHA-256: fac9a06ceb5574feb8580c075df3ef69dfbd0efa4947186cfe90f11b68eaafb0

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