Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c2861dd77ecd3ab…

MALICIOUS

PDF

41.5 KB Created: 2021-04-03 16:05:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-14
MD5: 40d4125e5a9c9677d32dd3e90bc06c09 SHA-1: db30df0626f728a47c8388e6e691042c572a9780 SHA-256: 7c2861dd77ecd3ab8c639647655a276024d6b2fe12e51cc8e38e73d471481589
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of links to external websites, primarily related to game hacks and Robux for Roblox. The heuristic 'PDF_GAME_HACK_SEO_LINK_FARM' indicates these links are part of a scam or lure. While no scripts were explicitly extracted, the nature of the content and the ML classifier's high confidence suggest the PDF is designed to redirect users to malicious sites, likely for malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9500

Heuristics 5

  • PDF carries distributed game-hack scam link farm critical PDF_GAME_HACK_SEO_LINK_FARM
    PDF contains a free-generator/game-hack lure together with many external PDF links spread across distinct hosts whose filenames advertise game hacks, cheats, jailbreaks, generators, or free currency. This is a high-confidence scam/SEO-poisoning carrier: the PDF exists to route users into malicious or unwanted download/redirect chains, not to present normal document content.
  • PDF carries game-hack generator link farm medium PDF_GAME_HACK_LINK_FARM
    PDF contains a gaminggenerator.org app lure together with multiple external PDF links whose filenames advertise game hacks, cheats, jailbreaks, or generators. This is a lure/delivery link farm rather than a PDF exploit: the risk is the linked redirection chain.
  • 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 http://gaminggenerator.org/app/431946152/do-illegal-aliens-get-anything-free-on-roblox PDF link annotation
    • https://www.wildpark-johannismuehle.de/images/aimbot-hacks-for-roblox.pdfIn PDF document text
    • https://verdensbarn.no/images/free-robux-no-human-verification-no-download-apps.pdfIn PDF document text
    • http://uctovnictvosnv.sk/images/roblox-cheating-dll.pdfIn PDF document text
    • http://www.zdravazena.sk/images/raindrop-hack-roblox-download.pdfIn PDF document text
    • http://www.jureclomas.com.ar/images/counter-blox-roblox-offensive-hacks-marca-los-objetivos.pdfIn PDF document text
    • http://escolaarboc.cat/images/obby-games-on-roblox-free-online.pdfIn PDF document text
    • http://www.ntc.edu.za/images/how-to-get-robux-for-free-2021.pdfIn PDF document text
    • https://www.cfdcnv.com/images/2021how-to-get-free-robux.pdfIn PDF document text
    • https://www.millatgears.com/images/hack-para-todos-los-juegos-de-roblox-2021.pdfIn PDF document text
    • http://www.tamogatoweb.hu/images/get-unlimited-robux-for-free-new-hack-2021-roblox-working.pdfIn PDF document text
    • http://www.anies.eu/images/how-to-get-free-robux-no-joke-2021.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/roblox-free-t-shirt-adidas.pdfIn PDF document text
    • https://www.tsdb.com.au/images/roblox-hack-tool-robux-and-tix-no-download.pdfIn PDF document text
    • http://bkd1.balikpapan.go.id/images/schoto-roblox-free-shop-hair.pdfIn PDF document text
    • http://www.cuniv-naama.dz/images/robuxian-com-free-robux-code-generator-2021.pdfIn PDF document text
    • https://pemadamapi.net/images/free-robloxcom-accounts.pdfIn PDF document text
    • http://ff-obertraun.at/images/hack-para-pet-simulator-roblox.pdfIn PDF document text
    • https://pa-waingapu.go.id/images/glitch-free-game-pass-roblox.pdfIn PDF document text
    • http://escolaarboc.cat/images/get-robux-free-no-survey-waiting.pdfIn PDF document text
    • http://pa-tanjungselor.go.id/images/roblox-parche-cheat-engine.pdfIn PDF document text
    • http://www.exikom.com.ua/images/free-roblox-card-codes-not-used-2021.pdfIn PDF document text
    • http://www.kalaaliaraq.dk/images/how-to-hack-poke-in-roblox.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/roblox-tix-hack-2021.pdfIn PDF document text
    • https://www.eglihotel.gr/images/roblox-i-cheated-for-this-box.pdfIn PDF document text
    • https://komakinosite.jp/images/free-hat-hack-roblox.pdfIn PDF document text
    • http://www.web.stc-part.co.th/images/get-free-face-roblox.pdfIn PDF document text
    • http://www.eaapiaria.es/images/como-meterse-en-la-tienda-free-de-roblox.pdfIn PDF document text
    • http://www.exikom.com.ua/images/roblox-com-free-codes.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/what-to-do-when-you-are-hacked-on-roblox.pdfIn PDF document text
    • http://www.eurosan1.ba/images/roblox-free-robux-hack-pc.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn extracted file (font_00_sfnt_off0000460e.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000460e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x460E 25704 bytes
SHA-256: f83cd4eaabf91916cfbf7dad673043580cf569aeef4b7f7fa5933e62adfb6582
font_01_sfnt_off00007d8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D8F 18788 bytes
SHA-256: 4526314c2fd4aaa11d76a59bb04babba7710adb6504b122f31b43953e0c57d94