PDF malware analysis — malicious · dcc4f85e493e93e1

MALICIOUS

PDF

46.3 KB Created: 2021-06-03 09:23:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 2c6f288e983ea49ecf44763c00c40916 SHA-1: 5f721cccc28ece731fb14420b35076dd4db4f857 SHA-256: dcc4f85e493e93e1e814fc27638811aedbecfb669ea5ea829c0f90ac58be5d5c

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 0.9748

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.online/app/479516143/is-minecraft-realms-free-game-hack PDF link annotation
- http://nationshield.ae/userfiles/files/tiktok-free-google-home-mini_GM835599320.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-spins-cheat-codes_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-chip_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-minecraft-alt-accounts_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-and-spin-link_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-free-item-codes_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-roblox-intros_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/how-to-get-free-cards-in-coin-master_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/hack-coin-master-app-ios_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/buy-robux-free_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/robuxfree-con_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-apk-mods-coin-master_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-to-play-minecraft-servers_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/minecraft-education-edition-free_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-generator_GM431946152.pdfIn PDF document text
- https://discord.ggIn 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
`font_00_sfnt_off0000518c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x518C	24820 bytes
SHA-256: `ae444102c143ff710281789defd26a213c23a391aa24a6f462bb95f256b4245d`
`font_01_sfnt_off00008910.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8910	3056 bytes
SHA-256: `dd24a0ab94df4552e459bd06fd01b0fd3f021c1d51d1d64407070e735974a028`
`font_02_sfnt_off00009383.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9383	17900 bytes
SHA-256: `d94e88f400a91da589c267152ab3bcd3a3c7a79749ad17c8252b3458dd298181`

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