PDF malware analysis — malicious · 0bd6644cd1f7424c

MALICIOUS

PDF

50.0 KB Created: 2021-06-11 00:53:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: f0fd5b0e97061fd3738f19f4d5191587 SHA-1: 89296a46ad00b35bd5ec5c66ad76eabed054215c SHA-256: 0bd6644cd1f7424c420424f3f2a39118780114a9dcc58c3c06866f031d68c8a3

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

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/roblox-bloxburg-free-100k-game-hack PDF link annotation
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/hacker-minecraft-song_GM479516143.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/hacks-for-build-a-boat-for-treasure-roblox_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/teach-me-to-hack_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-roblox-exploit-scripts-for-executor_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/coin-master-free-spins-apk_GM406889139.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/roblox-hack-codes_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/coin-master-email-rewards-link_GM406889139.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-roblox-clothes-for-your-avatar_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/how-to-generate-free-coin-master-spin_GM406889139.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/roblox-free-rubox_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-robux-no-password-or-download_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/minecraft-hack-app_GM479516143.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-robux-websites-2021_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/roblox-people-girl_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/how-to-hack-any-roblox-account_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00005438.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5438	25312 bytes
SHA-256: `e1f39e485245a957186e15f822c089043948342afbd752c948a4f0aa86d60522`
`font_01_sfnt_off00008dac.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DAC	7272 bytes
SHA-256: `f462303657ce1de10d3e7d5ae1fe17c8584116bd5bc216971166de87266da924`
`font_02_sfnt_off00009f1c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9F1C	18824 bytes
SHA-256: `f9799f0ca90a046c96bd9703c77785ab34aacead39ba0813de26fd8a7add8bfd`

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