Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d3e18ae21d0ee0c…

MALICIOUS

PDF

32.8 KB Created: 2021-04-04 02:28:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-11
MD5: c29654e7abf3f3da813ae4c322ee3e69 SHA-1: 9c898a5d57863fd991ebb870c225f5edf16b8aa9 SHA-256: 2d3e18ae21d0ee0c9e0a23f4e82085701e8ef102d8715de9ef180019b9a1278e
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs that lead to scam websites, primarily related to 'Roblox' game hacks and free currency. The heuristic firings confirm this is a link farm designed to lure users to potentially malicious sites. While no scripts were explicitly extracted, the nature of the embedded URLs and the heuristic findings strongly suggest a phishing or scamming attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9725

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/free-gift-card-numbers-roblox PDF link annotation
    • http://www.fluidtech.hu/images/comoser-hacker-en-roblox.pdf%0AIn PDF document text
    • https://www.dierenartsberghman.be/images/get-free-robux-without-human-verification-2021.pdf%0AIn PDF document text
    • https://verdensbarn.no/images/new-hack-for-roblox-2021-novemeber.pdf%0AIn PDF document text
    • https://www.dierenartsberghman.be/images/how-to-hack-roblox-jailbreak-on-phone.pdf%0AIn PDF document text
    • https://ballaratcaravans.com.au/images/free-shirt-promo-code-for-roblox.pdf%0AIn PDF document text
    • http://wireprod.net/images/how-to-get-free-roblox-on-the-river.pdf%0AIn PDF document text
    • http://sscclc.edu.ec/images/vest-t-shirt-roblox-free.pdf%0AIn PDF document text
    • http://gingerscience.co.in/images/roblox-speed-hacks-that-work.pdf%0AIn PDF document text
    • https://technospektr.com.ua/images/roblox-cheat-supercheats.pdf%0AIn PDF document text
    • http://stackideas.com/images/roblox-hack-tower-battles.pdf%0AIn PDF document text
    • http://agrao.in/images/roblox-cs-go-aimbot-hack.pdf%0AIn PDF document text
    • https://www.hotschool.com.au/images/hoe-to-get-free-robux-2021.pdf%0AIn PDF document text
    • http://pa-tanjungselor.go.id/images/what-cheats-can-you-do-to-get-robux-fast.pdf%0AIn PDF document text
    • http://echosvoix.ch/images/free-robux-and-tix-generator-no-offers.pdf%0AIn PDF document text
    • https://www.cpnf.ch/images/free-roblox-injector-hack.pdf%0AIn PDF document text
    • https://www.abrapppe.org.br/images/free-tix-and-robux-no-download.pdf%0AIn PDF document text
    • https://www.porthos.it/images/how-to-make-a-free-dominus-in-roblox.pdf%0AIn PDF document text
    • https://www.albisser.ch/images/roblox-hack-pet-simulator.pdf%0AIn PDF document text
    • http://www.kalaaliaraq.dk/images/free-cape-in-roblox.pdf%0AIn PDF document text
    • http://uctovnictvosnv.sk/images/roblox-cheating-dll.pdf%0AIn PDF document text
    • http://poltekkeskhjogja.ac.id/images/loot-box-free-robux.pdf%0AIn PDF document text
    • https://tokunfome.com.br/images/roblox-hacks-no-virus.pdf%0AIn PDF document text
    • https://www.arquetopia.org/images/roblox-how-to-hack-prison-life.pdf%0AIn PDF document text
    • https://www.millatgears.com/images/how-to-get-free-hats-in-roblox-2021.pdf%0AIn PDF document text
    • http://www.lionel-seppoloni.fr/images/free-account-2021-roblox.pdf%0AIn PDF document text
    • https://www.albisser.ch/images/free-roblox-pins-2021.pdf%0AIn PDF document text
    • http://www.eurosan1.ba/images/buy-robux-for-free-games.pdf%0AIn PDF document text
    • https://www.u-pin-it.com/images/hack-roblox-accounts-pastebin.pdf%0AIn PDF document text
    • http://www.sapaengineering.kz/images/how-to-hack-roblox-account-with-cookie-editor.pdf%0AIn PDF document text
    • http://www.rezbb.sk/images/how-to-hack-roblox-to-get-passwords.pdf%0AIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn extracted file (font_00_sfnt_off000033fa.bin)

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
font_00_sfnt_off000033fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33FA 19064 bytes
SHA-256: acd62b5b1eefdd6fa0019b1443d9c5ad31d8fec9aa3a0ca4267c8987137943f2
font_01_sfnt_off00005bb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BB6 18560 bytes
SHA-256: 4babaf302cc60ded80be5b33b8796836eeae76ef642c4b27e44929e9254fc104

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