PDF malware analysis — malicious · 79f42efe3609550f

MALICIOUS

PDF

42.9 KB Created: 2021-05-12 10:31:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: d5e94a5565b1b7cf2a75a6f2a275ba40 SHA-1: dadefc7f25ae0a316dcea6b104249cca0f0bc750 SHA-256: 79f42efe3609550f8f0c164cc214fe2b3d176256e47dd09932413662e2047fad

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm 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 0.9971

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/claimrobux.-net-game-hack PDF link annotation
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/coin-master-daily-free-spins-blog_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/roblox-rewards-site_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/online-coin-master-hack-here_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/actual-free-robux_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/lastrick-com-coin-master-hack_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/hack-coin-master-for-free_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/roblox-svg-free_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/how-to-get-free-clothes-on-roblox_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/hack-master-coin_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/free-roblox-promo-codes-for-robux_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/coin-master-free-rare-cards_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/coin-master-70-spin-link_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/free-google-play-promo-codes-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/how-to-win-free-robux_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/claim-robux_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
`stream_003_off000047a5.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x47A5	26492 bytes
SHA-256: `8479652d1e31e7fa75937ebf90781a18b6e3b9c87a54e4462fb20cbf6461b2a6`
`font_01_sfnt_off0000841b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x841B	18704 bytes
SHA-256: `bd1b89497bba87503f4ce09826df01b45dec000fad18c0b88a9dfbedcbc897f0`

Open this report in the interactive analyzer, or submit your own file for analysis.