PDF malware analysis — malicious · d4a874af68af1154

MALICIOUS

PDF

47.4 KB Created: 2021-06-09 08:41:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 5a928442e78afa61ec891b1d26b87fab SHA-1: e5069f7da971ee6a1495ee4d811c1b1869dea1af SHA-256: d4a874af68af11540960534345f4d28d8b1f5260998ddf2012dc7f069810bed6

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and free items, specifically referencing 'Roblox'. It contains numerous embedded URLs that redirect to sites offering similar content, likely serving as a gateway to malicious downloads or phishing pages. The ML classifier strongly indicated maliciousness, and the PDF structure itself points to a redirection workflow.

Machine Learning

Nyx PDF Classifier malicious score 0.9832

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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 https://netcdn.tw/app/431946152/how-to-get-free-clothes-on-roblox-without-creating-game-hack PDF link annotation
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/hacks-para-flee-the-facility-roblox_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/im-gonna-hack-roblox_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/rob-hacker-robux-generator_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/hack-para-teletransportarse-en-roblox_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/hack-cuentas-gratis-en-roblox-pastebin_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/how-to-buy-free-robux-using-inspect_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/see-all-players-roblox-hack_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/buy-tiktok-followers-free_GM835599320.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/esp-roblox-hack_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/how-do-i-hack-roblox-games_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/robux-hack-me_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/free-generator-for-card-roblox-robux_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/free-roblox-shirt-templates-free-shipping_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/minecraft-life-hacks_GM479516143.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/give-me-free-robux_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/slurp-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/nev-roblox-hack-exploit_GM431946152.pdfIn PDF document text
- https://altaviastagerace.it/wp-content/uploads/fsqm-files/free-roblox-accounts-with-admin_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00005667.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5667	26232 bytes
SHA-256: `d4530cc6745c253f4fdc6a47f46eeebd9487755613b6f615b07101d9da0b564f`
`font_01_sfnt_off000093ba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x93BA	19356 bytes
SHA-256: `17a23806320799f52ec560fcfb578c2ff9c4eb1b81757b1a8687b404e2ad557f`

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