Malicious PDF — malware analysis report

Static analysis result for SHA-256 087a52c957510467…

MALICIOUS

PDF

60.9 KB Created: 2021-04-06 01:01:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 352c9768339d439aca514d592df48644 SHA-1: 89fcaf63fb6018b3e1d8e694a283923acedbb462 SHA-256: 087a52c9575104672b8e89322edbfa2e20407bd4c89166985a99d74527592d19
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains a large number of links to external websites, many of which are related to game hacks and free in-game currency, specifically for Roblox. The heuristic firings indicate this is a link farm designed to lure users to scam sites. The document body reinforces this by listing numerous URLs that promise hacks and free items, suggesting a phishing or scam attempt.

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/free-pg PDF link annotation
    • http://uptodate.az/images/robux-hack-2021-working.pdfIn PDF document text
    • https://kimolos-link.gr/images/roblox-vehicul-simulator-hacke.pdfIn PDF document text
    • https://www.cfdcnv.com/images/free-coloring-pages-roblox.pdfIn PDF document text
    • https://www.u-pin-it.com/images/how-to-put-hacks-on-roblox.pdfIn PDF document text
    • http://www.sanjosedeminas.gob.ec/images/earn-free-robux-rbx-blaster.pdfIn PDF document text
    • http://www.malonmalon.com.ar/images/games-for-free-to-play-foenite-like-roblox.pdfIn PDF document text
    • http://gingerscience.co.in/images/hoq-to-buy-anything-from-catalog-for-free-roblox.pdfIn PDF document text
    • http://kovroff.com.ua/images/50-free-robux.pdfIn PDF document text
    • http://cosver.eu/images/how-to-install-sandbags777s-eye-ball-hack-roblox.pdfIn PDF document text
    • http://onlinemusicsolutions.com.au/images/roblox-hack-pastebin-all-games.pdfIn PDF document text
    • http://cosver.eu/images/roblox-explorer-hack-2021.pdfIn PDF document text
    • http://infoagronomia.com.ar/images/how-to-use-cheat-engine-on-roblox-swordburst-2.pdfIn PDF document text
    • http://icomsolutions.com.au/images/free-robux-gift-card-codes-2021-no-human-verification.pdfIn PDF document text
    • http://firstaidacademy.be/images/roblox-hack-2021-lev-7.pdfIn PDF document text
    • http://optsuvenir.by/images/free-robux-no-verification-2021-ios.pdfIn PDF document text
    • http://pia2000.net/images/robux-gratis-hack-pc.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-cafe-groups-on-roblox.pdfIn PDF document text
    • https://socialvalue.gr/images/roblox-free-shirt-creator.pdfIn PDF document text
    • http://pastelli.gr/images/free-shoulder-pet-roblox.pdfIn PDF document text
    • http://linde-erbach.de/images/roblox-hack-2021-pastebin.pdfIn PDF document text
    • http://legs11.co.za/images/roblox-dbz-rage-cheats.pdfIn PDF document text
    • http://ivpr.net/images/how-to-hack-anyone-on-roblox.pdfIn PDF document text
    • https://www.europap.cz/images/free-roblox-card-codes-july-2021.pdfIn PDF document text
    • https://europainstitut.hu/images/synapse-x-roblox-download-free.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/free-roblox-giftcardd.pdfIn PDF document text
    • http://eleveurs-autrement.fr/images/roblox-cheat-exploit-juillet-2021-for-vehicule-simulator.pdfIn PDF document text
    • http://msfs-eastafrica.com/images/roblox-hack-scripts-jar.pdfIn PDF document text
    • http://www.anies.eu/images/how-to-have-hacking-tool-in-roblox.pdfIn PDF document text
    • http://kancelaria-legnica.eu/images/can-i-have-free-robux-please.pdfIn PDF document text
    • http://svp-steinmaur.ch/images/free-robux-no-human-verification-2021-pc.pdfIn PDF document text
    • https://corbo.ru/images/roblox-hack-website-easy.pdfIn PDF document text
    • http://keepcasscountybeautiful.com/images/free-printable-valentines-day-cards-roblox.pdfIn PDF document text
    • https://hbpbenin.com/images/how-to-get-free-backpack-in-roblox.pdfIn PDF document text
    • http://facingachild.org/images/roblox-tycoon-simulator-walkspeed-script-hack.pdfIn PDF document text
    • http://rafaelmontesinos.com/images/how-to-make-your-own-dominus-in-roblox-free.pdfIn PDF document text
    • https://verdensbarn.no/images/roblox-police-car-free.pdfIn PDF document text
    • https://www.arquetopia.org/images/roblox-jailbreak-hack-2021-download.pdfIn PDF document text
    • https://gzog.pl/images/how-to-become-a-hacker-in-roblox-on-ipad.pdfIn PDF document text
    • http://techmobil.pl/images/roblox-check-cashed-v5-lumber-tycoon-2-money-hack.pdfIn PDF document text
    • https://www.devries-group.de/images/robux-gives-roblox-haks-free-roblox.pdfIn PDF document text
    • http://www.fluidtech.hu/images/how-do-people-hack-roblox-accountsx.pdfIn PDF document text
    • https://verdensbarn.no/images/free-tix-dominus-roblox.pdfIn PDF document text
    • http://solidkom.ch/images/free-robux-codes-2021-september.pdfIn PDF document text
    • http://axia-verlag.at/images/free-robux-tool.pdfIn PDF document text
    • http://gods-own.org/images/hcbb-roblox-scripts-hack.pdfIn PDF document text
    • http://behsanroshd.com/images/roblox-robux-hack-virus-free.pdfIn PDF document text
    • http://dshikr.ru/images/how-to-get-free-robux-hack-easy.pdfIn PDF document text
    • http://domaizdereva24.ru/images/which-cheat-engine-address-is-robux.pdfIn PDF document text
    • https://heritagebanquethall.ca/images/wild-savannah-roblox-how-to-change-colours-hack.pdfIn PDF document text
    +17 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000081d7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x81D7 25556 bytes
SHA-256: c73aca964d7a5f4d9fffd9266e1d9861d9b3392d748c35e7d75182ecdd12245d
font_01_sfnt_off0000bcbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBCBF 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off0000c966.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC966 18596 bytes
SHA-256: d4d7ef4e0d376b6f2c0b63abcffa8a0bb10729d94bab98057319cd1812fadca9