PDF malware analysis — malicious · dccd684b0196db9c

MALICIOUS

PDF

46.1 KB Created: 2021-05-15 07:03:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 897ef526b7245658af69d5ef6a101513 SHA-1: df4493f08e9cac3b03ba3af09782f6cf39887aa7 SHA-256: dccd684b0196db9ce26480e9a503f087c48d8f5dac168b03ab7f495d75a0d3c6

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 0.9432

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/431946152/how-to-get-roblox-credit-for-free-game-hack PDF link annotation
- http://sostactical.ca/images/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://sostactical.ca/images/free-minecraft-skins-pe_GM479516143.pdfIn PDF document text
- http://sostactical.ca/images/como-hackear-coin-master-2021_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/coin-master-reward-link_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
- http://sostactical.ca/images/easiest-coin-master-hack_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/robuxy-com-free-robux_GM431946152.pdfIn PDF document text
- http://sostactical.ca/images/minecraft-skins-download-free_GM479516143.pdfIn PDF document text
- http://sostactical.ca/images/coinmasterfreespins_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/coin-master-100-spin-slot_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/coin-master-hack-2021-app_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
- http://sostactical.ca/images/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/free-spins-coin-master-haktuts_GM406889139.pdfIn PDF document text
- http://sostactical.ca/images/free-robux-website_GM431946152.pdfIn PDF document text
- http://sostactical.ca/images/coin-master-free-coins-and-spins-online-tool_GM406889139.pdfIn PDF document text
- https://www.bandicam.comIn 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_003_off0000489d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x489D	26956 bytes
SHA-256: `915a1b8aecce01c4464353dfb4adf13be839b0357971055f5d118ba27407b5aa`
`font_01_sfnt_off000086fb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86FB	2852 bytes
SHA-256: `e9630f3bb738ae3bc329a423cf069c8035d70ce2227e3557c42815f85ad3284f`
`font_02_sfnt_off000090bd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90BD	18508 bytes
SHA-256: `aaee93be15afea3f34265028f72e14c8d8177a28a7e511fa9958eeec3e94f784`

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