Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1bdc7f93bb058dc…

MALICIOUS

PDF

59.6 KB Created: 2021-04-05 18:51:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: 60f30ed0e1b5fee884a20f493cb45f49 SHA-1: 989fee678aa2526153884500a1394c6adc111605 SHA-256: b1bdc7f93bb058dc9676fc533b2136fe923cac03d32296114a6ea6968a20be68
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links and embedded text related to game hacks and free Robux, indicative of a scam. The heuristic firings, particularly 'PDF_GAME_HACK_SEO_LINK_FARM', confirm the presence of a link farm designed to lure users to malicious websites. While no scripts were extracted, the document's structure and content strongly suggest a phishing or scam attempt, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6193

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/hack-server-vip-robux-gratis PDF link annotation
    • http://petarda.hu/images/roblox-free-mobile.pdfIn PDF document text
    • https://www.wildpark-johannismuehle.de/images/roblox-hack-gamer.pdfIn PDF document text
    • http://poltekkeskhjogja.ac.id/images/roblox-how-to-get-shirt-for-free.pdfIn PDF document text
    • https://www.hbproducts.dk/images/roblox-email-reset-hack.pdfIn PDF document text
    • http://uptodate.az/images/how-to-get-free-robux-on-a-ipad-2021.pdfIn PDF document text
    • https://www.lavigny.ch/images/roblox-hack-2021-pc.pdfIn PDF document text
    • http://nevesomost.by/images/roblox-hack-exploit.pdfIn PDF document text
    • http://baah.ca/images/roblox-free-download-for-ps4.pdfIn PDF document text
    • http://www.remiauclair.fr/images/which-group-has-free-admin-and-vip-on-roblox.pdfIn PDF document text
    • https://corbo.ru/images/free-boombox-highschool-2-roblox.pdfIn PDF document text
    • http://echosvoix.ch/images/download-free-download-how-to-buy-free-robux.pdfIn PDF document text
    • http://w-i-r.de/images/free-roblox-for-roblox.pdfIn PDF document text
    • http://www.lascalamilanowallcovering.it/images/free-robux-script-roblox.pdfIn PDF document text
    • http://xn----ttbgfkcjc5fd.xn--p1ai/images/free-robux-app-that-sends-code-to-your-email.pdfIn PDF document text
    • http://demenagementlandry.com/images/cash-for-apps-free-robux.pdfIn PDF document text
    • https://gigbagwinkel.nl/images/skisploit-roblox-hack.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/how-i-get-free-robux-rbxrewards.pdfIn PDF document text
    • http://www.visiblefilm.com/images/hacks-for-roblox-booga-booga.pdfIn PDF document text
    • https://www.mrsz.ir/images/free-accounts-on-roblox-that-have-robux.pdfIn PDF document text
    • http://escolaarboc.cat/images/hack-roblox-account-kali-linux.pdfIn PDF document text
    • http://uctovnictvosnv.sk/images/assassin-hack-script-roblox.pdfIn PDF document text
    • http://www.rezbb.sk/images/free-real-robux-generator.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/best-free-roblox-exploits-2021.pdfIn PDF document text
    • http://uptodate.az/images/free-robux-code-inspect.pdfIn PDF document text
    • http://dqdq.pl/images/more-free-roblox-jailbreak-vip-servers-link-desc.pdfIn PDF document text
    • http://britishcomics.com/images/roblox-download-windows-7-free.pdfIn PDF document text
    • http://eooe.gr/images/cheating-on-someone-in-roblox.pdfIn PDF document text
    • http://w-i-r.de/images/dragon-ball-galaxy-roblox-hack.pdfIn PDF document text
    • http://kancelaria-legnica.eu/images/robloxcom-free-robux-obby.pdfIn PDF document text
    • http://sb2m.com.br/images/mobile-hack-roblox-hack.pdfIn PDF document text
    • http://www.guidaturisticaverona.it/images/roblox-freebies-hack.pdfIn PDF document text
    • https://studentcareerinfo.com/images/free-roblox-t-shitt.pdfIn PDF document text
    • http://stackideas.com/images/free-giftcard-codes-roblox.pdfIn PDF document text
    • https://www.brainpads.com/images/how-to-get-free-robux-from-a-white-hat.pdfIn PDF document text
    • http://brokermortgages.com/images/free-roblox-hided-head.pdfIn PDF document text
    • http://msfs-eastafrica.com/images/counter-blox-roblox-offensive-hacks-wall-halks.pdfIn PDF document text
    • http://echosvoix.ch/images/free-robux-without-verifacation.pdfIn PDF document text
    • http://escolaarboc.cat/images/hack-script-download-roblox.pdfIn PDF document text
    • https://www.utalii.ac.ke/images/basketball-free-charactes-in-roblox.pdfIn PDF document text
    • https://www.hotschool.com.au/images/roblox-how-to-make-a-gamepass-free-for-someone.pdfIn PDF document text
    • http://www.bernerpupping.at/images/roblox-mow-my-lawn-hack.pdfIn PDF document text
    • http://sealysports.com/images/roblox-how-to-download-hacks.pdfIn PDF document text
    • http://jackson-pr.com/images/cheats-for-bloody-mary-roblox.pdfIn PDF document text
    • https://sitam.co.in/images/hackear-prison-life-roblox-2021-pc.pdfIn PDF document text
    • http://dos.most.gov.la/images/roblox-robux-hack-without-survey.pdfIn PDF document text
    • http://www.vktzunami.cz/images/robloxgiveaway-xyz-free-robux.pdfIn PDF document text
    • http://parkinsononline.com/images/how-to-look-like-a-hacker-in-roblox-robux.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/robux-hack-no-buying-apps.pdfIn PDF document text
    • https://www.wadowice24.pl/images/denis-free-admin-town-roblox.pdfIn PDF document text
    +16 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000080d6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x80D6 25320 bytes
SHA-256: 2babdb9cc9e318651aa9b5cf014909ce05dac3bab0a49edf6f29a9fb3164f968
font_01_sfnt_off0000bac2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAC2 2844 bytes
SHA-256: baad2f3f6808f4af03fa9398e38c580c8d846f7f773a947d8cc1f39b2753d31a
font_02_sfnt_off0000c484.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC484 18460 bytes
SHA-256: b609cacc31a1cca49a542f6b18b7db1bda654b78d7d6a01043fa93360ed8f1f7