Malicious PDF — malware analysis report

Static analysis result for SHA-256 f340c17464e638b4…

MALICIOUS

PDF

60.8 KB Created: 2021-04-05 21:11:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: ac404d8b53d3ed6ca6c4c172ea0c3050 SHA-1: 9eeb1024ca299fa427357185057f4045ff7752d2 SHA-256: f340c17464e638b4215e8cebc1e2304ce60ef86be977c60910adf2dfcaa0f962
82 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs, with one specifically referencing a 'roblox-redline-cheat'. The presence of a 'password-protected archive handoff' heuristic suggests the document is designed to trick users into downloading an encrypted payload, which is then likely decrypted using provided password instructions. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6030

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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-redline-cheat PDF link annotation
    • http://pourvosvacances.com/images/free-robux-too-no-verification.pdfIn PDF document text
    • http://news123.it/images/how-to-get-free-robux-in-seconds-2021.pdfIn PDF document text
    • http://safetin.ru/images/comment-hack-sur-roblox-admin-commands.pdfIn PDF document text
    • https://cdu-lengerich.de/images/free-robux-card-codes-deutsche.pdfIn PDF document text
    • http://sealysports.com/images/how-to-hack-roblox-with-notepad.pdfIn PDF document text
    • http://www.tamogatoweb.hu/images/free-roblox-card-generator-no-download.pdfIn PDF document text
    • http://learningarabic.co.uk/images/how-to-hack-jailbreak-roblox-2021.pdfIn PDF document text
    • http://spstrading-th.com/images/bleu-roblox-exploit-free.pdfIn PDF document text
    • https://www.abrapppe.org.br/images/how-to-get-free-robux-not-clickbait-2021.pdfIn PDF document text
    • http://learningarabic.co.uk/images/get-free-roblox-the-very-very-easy-way.pdfIn PDF document text
    • https://www.devries-group.de/images/free-remy-roblox-id.pdfIn PDF document text
    • https://www.romedia.gr/images/flame-gg-website-hack-not-roblox.pdfIn PDF document text
    • http://verenacrow.at/images/what-happens-if-you-get-suspected-of-cheating-on-roblox.pdfIn PDF document text
    • http://imp.lg.ua/images/robux-hack-2021-pastebin.pdfIn PDF document text
    • https://studentcareerinfo.com/images/how-to-hack-your-hacked-roblox-account.pdfIn PDF document text
    • http://www.zdravazena.sk/images/will-roblox-be-for-free-when-it-come-to-ps4.pdfIn PDF document text
    • http://www.eaapiaria.es/images/dugeon-quest-roblox-hack.pdfIn PDF document text
    • http://legs11.co.za/images/free-robux-app-ios.pdfIn PDF document text
    • https://www.hotschool.com.au/images/how-to-get-free-robux-club-in-2021.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/carte-roblox-free.pdfIn PDF document text
    • http://facingachild.org/images/bloxfun-info-free-robux.pdfIn PDF document text
    • http://pdapanache.com/images/how-to-get-free-robux-without-downloading-anything-2021.pdfIn PDF document text
    • https://gafaseo.com/images/free-obc-robux-inspect-element.pdfIn PDF document text
    • https://www.lomrad.go.th/images/how-to-change-username-on-roblox-for-free.pdfIn PDF document text
    • http://www.kalaaliaraq.dk/images/how-do-you-get-robux-on-roblox-for-free-2021.pdfIn PDF document text
    • https://www.dierenartsberghman.be/images/pastebincom-free-robux-code.pdfIn PDF document text
    • http://pia2000.net/images/hack-pin-roblox.pdfIn PDF document text
    • http://msfs-eastafrica.com/images/roblox-lumber-tycoon-2-cheat-engine-money.pdfIn PDF document text
    • http://mydevice.com.au/images/free-robux-inspect-code-2021.pdfIn PDF document text
    • http://zarinnameh.ir/images/roblox-free-items-hack-2021.pdfIn PDF document text
    • http://echosvoix.ch/images/how-to-build-hacks-in-roblox.pdfIn PDF document text
    • http://asiashop-france.fr/images/how-to-get-speed-hack-on-roblox-jailbreak.pdfIn PDF document text
    • https://www.iadh.bi/images/get-free-dominus-hat-roblox.pdfIn PDF document text
    • http://homequeen.de/images/roblox-robux-stealer-hack.pdfIn PDF document text
    • https://luminouswisdom.org/images/super-power-training-sim-roblox-simple-cheat-train-jump-force.pdfIn PDF document text
    • http://uptodate.az/images/free-roblox-redeem-codes-that-haven-39.pdfIn PDF document text
    • https://www.milewood.co.uk/images/exploit-for-roblox-2021-cheat-engine.pdfIn PDF document text
    • https://www.saisystem.it/images/how-to-get-free-shirts-roblox-2021.pdfIn PDF document text
    • http://joshherman.com/images/dofa-no-roblux-robux-free.pdfIn PDF document text
    • https://bancroftandsons.com/images/roblox-hack-free-robux-and-tix-2021.pdfIn PDF document text
    • http://jugendfeuerwehr-scheinfeld.de/images/free-robux-games-that-actually-work-2021.pdfIn PDF document text
    • http://uctovnictvosnv.sk/images/roblox-2021-cheat-engin.pdfIn PDF document text
    • https://corbo.ru/images/roblox-account-hacked-crying.pdfIn PDF document text
    • http://apkmaykop.ru/images/free-robux-hack-site-youtubecom.pdfIn PDF document text
    • http://depelem.fr/images/roblox-shirt-template-size-free-shipping.pdfIn PDF document text
    • http://www.zdravazena.sk/images/how-to-use-a-cheat-on-roblox-jailbreak-2021.pdfIn PDF document text
    • http://www.herbasacra.gr/images/roblox-free-robux-2021.pdfIn PDF document text
    • http://kruiz21.ru/images/free-roblox-catalog-things.pdfIn PDF document text
    • https://schaefer-rechtsanwaelte.com/images/i-just-got-free-robux-from-roblox.pdfIn PDF document text
    +16 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000087f0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x87F0 26188 bytes
SHA-256: 13a0519d09ea89a0b699480e5618c6d7811f3635e74e800338768746dc8f8e71
font_01_sfnt_off0000c179.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC179 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000cb2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB2A 17816 bytes
SHA-256: b49ea3bf710f2a182f893817f77413a55b093f37a4eba01e948916376e5fce91

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