Malicious PDF — malware analysis report

Static analysis result for SHA-256 04d39c91c1212a5c…

MALICIOUS

PDF

62.0 KB Created: 2021-04-05 18:27:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 4eeaf3b8fba68de236ecd175d65b55ed SHA-1: 62e9eb959cdb5f20cb2fa0f072bee098f69842c0 SHA-256: 04d39c91c1212a5c5119dda0e1e4c8f0cff09ba9660a6fe56e28a396ab909ae0
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of links related to game hacks and free Robux, indicating a scam or phishing attempt. The heuristic firings confirm the presence of a link farm and external URIs, with the primary lure being 'gaminggenerator.org'. While no scripts were extracted, the document's structure and content strongly suggest it's designed to redirect users to potentially malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6193

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/legit-films-free-robux PDF link annotation
    • http://www.sanjosedeminas.gob.ec/images/how-to-block-games-on-roblox-for-free.pdfIn PDF document text
    • http://bkd1.balikpapan.go.id/images/roblox-hack-commands-admin.pdfIn PDF document text
    • http://www.actae.gr/images/how-to-get-a-roblox-group-for-free.pdfIn PDF document text
    • http://www.fanciullovito.it/images/roblox-pokemon-brick-bronze-arcade-hack.pdfIn PDF document text
    • http://www.htc.edu.au/images/cheats-for-bear-roblox.pdfIn PDF document text
    • https://www.fhccu.com/images/how-to-get-free-robux-on-roblox-december-2021.pdfIn PDF document text
    • https://www.tsdb.com.au/images/free-robux-sites-v3rmillion.pdfIn PDF document text
    • http://escolaarboc.cat/images/free-money-boku-no-hero-roblox-remastered.pdfIn PDF document text
    • https://www.wildpark-johannismuehle.de/images/free-script-injector-roblox.pdfIn PDF document text
    • https://corbo.ru/images/can-you-use-cheat-engine-in-2021-roblox.pdfIn PDF document text
    • https://hbpbenin.com/images/hacks-para-roblox-2021-noviembre.pdfIn PDF document text
    • http://magistrinfo.ru/images/online-free-roblox-games.pdfIn PDF document text
    • https://www.coriglianocalabro.it/images/google-play-free-robux.pdfIn PDF document text
    • http://echosvoix.ch/images/free-things-on-roblox-2021.pdfIn PDF document text
    • https://www.wildpark-johannismuehle.de/images/how-to-hack-robux-on-roblox-2021-mac.pdfIn PDF document text
    • http://www.marambio.com.ar/images/free-roblox-outfits-for-avatar.pdfIn PDF document text
    • https://cdu-lengerich.de/images/roblox-games-for-free-to-play-online.pdfIn PDF document text
    • http://altc.de/images/roblox-fly-script-hack.pdfIn PDF document text
    • http://www.eurosan1.ba/images/roblox-cheat-codes-rocitizens-november-2021.pdfIn PDF document text
    • http://lewishome.net/images/free-robux-yummers.pdfIn PDF document text
    • http://www.lascalamilanowallcovering.it/images/roblox-donegon-quest-hack.pdfIn PDF document text
    • http://www.flotom.at/images/roblox-hack-inspect-element.pdfIn PDF document text
    • http://kermas.eu/images/how-to-get-free-robux-place.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-get-free-robux-card-codes-parody-of-robuxian.pdfIn PDF document text
    • http://stomatolog-choszczno.pl/images/how-to-hack-roblox-and-get-robux.pdfIn PDF document text
    • http://www.hawler.in/images/how-to-hack-in-roblox-ninja-legends.pdfIn PDF document text
    • https://www.cfdcnv.com/images/roblox-hack-tool-download-2021.pdfIn PDF document text
    • https://gabrieliassociati.com/images/roblox-rocitizens-hack-money.pdfIn PDF document text
    • https://www.udivadlahotel.cz/images/free-robux-2021-code.pdfIn PDF document text
    • http://baah.ca/images/bloxy-world-free-robux.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/counter-blox-esp-hack-roblox-2021.pdfIn PDF document text
    • http://evro-okna.net/images/how-to-get-free-shirts-roblox-2021.pdfIn PDF document text
    • http://www.mikramarine.gr/images/codes-to-get-free-vip-in-roblox-in-mining-simulator.pdfIn PDF document text
    • https://www.porthos.it/images/roblox-cheat-codes-for-robux-and-tix-2021.pdfIn PDF document text
    • http://tehergumi.hu/images/codes-for-free-robux-2021.pdfIn PDF document text
    • https://corbo.ru/images/easy-roblox-hack-2021.pdfIn PDF document text
    • http://androidthai.in.th/images/how-to-get-hacks-for-flight-on-roblox-2021.pdfIn PDF document text
    • http://palogar.es/images/roblox-rs-cheat.pdfIn PDF document text
    • http://moto98.com/images/how-to-use-cheat-engine-on-roblox-without-shutdown-2021.pdfIn PDF document text
    • http://sandra-masemann.de/images/free-face-items-not-model-roblox.pdfIn PDF document text
    • http://bvmg.nl/images/hacks-for-initial-despacito-roblox.pdfIn PDF document text
    • http://posterprintshop.nl/images/hacking-giving-my-fans-robux-inquisitor.pdfIn PDF document text
    • http://www.exikom.com.ua/images/free-roblox-accounts-walang-pin.pdfIn PDF document text
    • https://gzog.pl/images/cheat-engine-roblox-robux-hack-2021.pdfIn PDF document text
    • http://www.notaioricci.it/images/alpha-hack-roblox.pdfIn PDF document text
    • http://tehergumi.hu/images/uncopylock-free-robux-wait-for-24-hours-for-your-robux.pdfIn PDF document text
    • https://lesegais.ru/images/how-to-get-2021000-robux-for-free-in-roblox.pdfIn PDF document text
    • http://poltekkeskhjogja.ac.id/images/redeem-card-2021-robux-free.pdfIn PDF document text
    • http://addair.co.uk/images/roblox-avatar-hack.pdfIn PDF document text
    +18 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000081e8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x81E8 30512 bytes
SHA-256: 9b1d62e0e9843abc9d62cd1b5f63435b0f0031756afc432663deff397670461c
font_01_sfnt_off0000c51f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC51F 2844 bytes
SHA-256: baad2f3f6808f4af03fa9398e38c580c8d846f7f773a947d8cc1f39b2753d31a
font_02_sfnt_off0000cee0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCEE0 18284 bytes
SHA-256: 8fc90629930bbaae501d864a40f06cbd6542999b7039cd3cf3646e7c9633420f