Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbc744bee8ae0989…

MALICIOUS

PDF

43.6 KB Created: 2021-04-03 12:15:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-02
MD5: 0fb38b32066848fbe7405847c8c1efce SHA-1: 673e7321e683ac98a3763199365578640989cdad SHA-256: cbc744bee8ae09897c380d8825f543016ebc59dfedb6c8814c345de978e3e357
132 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded URLs and explicit text promoting game hacks and cheats, specifically for Roblox. The heuristic 'PDF_GAME_HACK_SEO_LINK_FARM' indicates a scam designed to drive traffic to these sites. The presence of a 'visual download button' lure further supports the malicious intent of directing users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9213

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/roblox-sharkbite-hack-script-pastebin PDF link annotation
    • http://www.lionel-seppoloni.fr/images/level-hack-roblox.pdfIn PDF document text
    • http://www.mikramarine.gr/images/roblox-cheat-engine-scripts.pdfIn PDF document text
    • http://www.exikom.com.ua/images/roblox-hat-hack.pdfIn PDF document text
    • https://estalagemmonteverde.com.br/images/best-free-roblox-lua-executor.pdfIn PDF document text
    • https://www.lomrad.go.th/images/roblox-mobile-app-free-download.pdfIn PDF document text
    • https://jdlgroup.ca/images/roblox-bucks-free.pdfIn PDF document text
    • http://cosver.eu/images/roblox-free-xploits.pdfIn PDF document text
    • https://www.eglihotel.gr/images/how-to-hack-roblox-shinobi-life.pdfIn PDF document text
    • https://www.ncscolour.no/images/cool-roblox-free-outfits.pdfIn PDF document text
    • http://ff-obertraun.at/images/roblox-robux-hack-generator-2021.pdfIn PDF document text
    • https://www.saisystem.it/images/how-to-use-cheats-on-roblox-deathrun.pdfIn PDF document text
    • http://pa-tanjungselor.go.id/images/free-dna-hack-generator-roblox.pdfIn PDF document text
    • http://www.mikramarine.gr/images/how-to-hack-a-account-on-roblox-2021-no-logou.pdfIn PDF document text
    • http://www.zdravazena.sk/images/free-roblox-obby.pdfIn PDF document text
    • https://socialvalue.gr/images/hacks-of-roblox-2021-espanol.pdfIn PDF document text
    • https://amatq.ca/images/how-to-hack-on-vehicle-sim-roblox.pdfIn PDF document text
    • https://accord.kiev.ua/images/free-account-roblox-obc-2021.pdfIn PDF document text
    • https://technospektr.com.ua/images/roblox-bee-swarm-simulator-free-diamond-egg.pdfIn PDF document text
    • https://amatq.ca/images/free-roblox-girl-shirts.pdfIn PDF document text
    • https://consorziocsa-asicaivano.it/images/cheez-it-cursor-roblox-downloaad-for-free.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/roblox-hack-client-pc-download.pdfIn PDF document text
    • http://zarinnameh.ir/images/roblox-if-you-got-hacked.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/fake-hacker-on-roblox.pdfIn PDF document text
    • https://www.hbproducts.dk/images/how-too-get-free-stuff-on-roblox-every-day.pdfIn PDF document text
    • http://www.actae.gr/images/game-codes-eu-free-robux.pdfIn PDF document text
    • http://svp-steinmaur.ch/images/free-roblox-gift-cards-live.pdfIn PDF document text
    • https://www.tsdb.com.au/images/free-promocodes-for-roblox.pdfIn PDF document text
    • http://www.tamogatoweb.hu/images/roblox-final-stand-2-cheat.pdfIn PDF document text
    • http://ff-obertraun.at/images/how-to-get-robux-fast-no-hack.pdfIn PDF document text
    • http://www.occquimica.com.br/images/free-credit-card-to-buy-robux.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn extracted file (font_00_sfnt_off00004124.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004124.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4124 25908 bytes
SHA-256: 81c4b4c3431c26103246a0ca0712fac827988caa23c30d10336263f925560ccb
font_01_sfnt_off00007c0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C0C 2864 bytes
SHA-256: 8e5059d2fddf508a492416b04a76417df36cf16f72c617a53e9383d2a9293a45
font_02_sfnt_off000085e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85E5 18628 bytes
SHA-256: e755869a722081edc8e4c42e12b2c8feaac929759f4a0ce242b83a88170df664