PDF malware analysis — malicious · 7d8f7e1ff67ae1c7

MALICIOUS

PDF

43.2 KB Created: 2021-05-20 02:17:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 5f35aacc8f47a8739768a72f9e52b226 SHA-1: ab658cd5bf10e16b658ed584868445c8178843d5 SHA-256: 7d8f7e1ff67ae1c7156036d0ffdee944f18c48f06cd259a6136a3407964a5c76

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 0.9969

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.xyz/app/1094591345/pokemon-go-free-spoofing-game-hack PDF link annotation
- http://www.sarrafoods.com/uploaded_files/userfiles/files/coin-master-free-spins-link-app-download_GM406889139.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/daily-coin-master-link_GM406889139.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/free-spins-coin-master-october-13-2021_GM406889139.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/free-spins-coin-master-cheats_GM406889139.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/easy-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/all-minecraft-handbooks_GM479516143.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/how-to-get-free-golden-card-in-coin-master_GM406889139.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/coin-master-tricks_GM406889139.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/roblox-adopt-me-hack_GM431946152.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/coin-master-hack-spins-2021_GM406889139.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/orewards-com-free-robux_GM431946152.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/minecraft-hacked-client-18_GM479516143.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/coin-master-pet-food-free_GM406889139.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/lucky-patcher-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/roblox-premium-free_GM431946152.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/minecraft-pe-hack-client-ios_GM479516143.pdfIn PDF document text
- http://www.sarrafoods.com/uploaded_files/userfiles/files/moonactive-coin-master-hack_GM406889139.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_003_off00004a3c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A3C	26452 bytes
SHA-256: `37c31461e9764f4db0517bf5c9e03e8483b6e99de539202d74d8eb54caafe246`
`font_01_sfnt_off0000869d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x869D	18424 bytes
SHA-256: `11dfcaa0006db07ba410a58aaa6bff09573e150639cc80e743b557308b471d8b`

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