PDF malware analysis — malicious · ac632d8c629b412e

MALICIOUS

PDF

35.6 KB Created: 2021-06-27 12:20:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 772889e6393724182bcb0ce98e117ad1 SHA-1: 80f94249c633ff6a019ea5cb7e98f5a370263971 SHA-256: ac632d8c629b412ea9340e7ae200140e6b162bd045eafc567960a45e6e1ae4a9

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 0.9980

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 http://netcdn.co/app/431946152/tycoon-simulator-how-to-hack-money-roblox-game-hack PDF link annotation
- https://zarco.co.in/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/roblox-solar-tycoon-hack_GM431946152.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/hilton-hotels-lua-hack-roblox_GM431946152.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/daily-coin-master-free_GM406889139.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/roblox-strucid-aimbot-hack_GM431946152.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/free-spins-coin-master-cheat_GM406889139.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/free-robux-ge_GM431946152.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/free-jailbreak-money-roblox_GM431946152.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/how-to-hack-an-account-roblox_GM431946152.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/how-to-get-robux-free-roblox-glitch-2021-savagefrey_GM431946152.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/pokemon-go-free-spoofing-ios_GM1094591345.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/hack-coin-master-android-game_GM406889139.pdfIn PDF document text
- https://zarco.co.in/uploaded_files/userfiles/files/roblox-super-power-training-simulator-free-vip-server_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
`font_00_sfnt_off00003272.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3272	22308 bytes
SHA-256: `a8e4e9d868257c935461a23a5921d22f4fed4b3ba823aa0181653f30e102aa7d`
`font_01_sfnt_off0000640d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x640D	19820 bytes
SHA-256: `84ecda4c829d7bfb416dde6c99e8e87ff2a47011e7e4351281b864f6692436d3`

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