Malicious PDF — malware analysis report

Static analysis result for SHA-256 939fe6b2264dfa92…

MALICIOUS

PDF

42.3 KB Created: 2021-05-19 12:05:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 49e1b17c66d6f335306cfb06f5544646 SHA-1: 655384f2e4d02ada4768ffc00d345731f2e8fdf2 SHA-256: 939fe6b2264dfa92dda894e1fd64ba2e33a2bc30664db143749567b150b7e2c8
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains multiple embedded URLs that redirect to websites offering game hacks and generators, such as 'pokemon-go-free-to-play-game-hack'. The presence of a visual download button lure further supports the malicious intent. The document's primary function appears to be directing users to potentially malicious external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/1094591345/pokemon-go-free-to-play-game-hack PDF link annotation
    • https://ogm-goettingen.de/images/get-free-robux-today_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-coin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/clean-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/how-to-get-minecraft-for-free-on-iphone-2021_GM479516143.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-hack-without-verification-or-downloading-apps_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/how-to-use-wurst_GM479516143.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-deals_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/real-roblox_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/is-there-a-free-version-of-minecraft_GM479516143.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-robux-mod_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/daily-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/real-working-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/roblox-free-bundles_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/how-to-watch-ads-for-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000046b4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46B4 26884 bytes
SHA-256: a78b900cb687366c343e5f5005b7e0681d4f939b908be93087ed7f97badc936e
font_01_sfnt_off000082ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82EC 18324 bytes
SHA-256: 05376e93095c7980c06f35000c2abe0141442ca37a6d1b8c2280ef0b4ee493cd

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