Malicious PDF — malware analysis report

Static analysis result for SHA-256 d62c11df20f50132…

MALICIOUS

PDF

35.3 KB Created: 2021-06-26 20:05:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: dcc65e6dd42ea6ff28a907cc7435ff22 SHA-1: a9d0145b0a9f245636145caaea43439ca7211cab SHA-256: d62c11df20f5013228070735dd5819839b227f4bea4d42243d1945749d937acb
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a large number of external links, many of which are SEO-optimized and point to sites offering game hacks and cheats. The ML classifier and the PDF link farm heuristic strongly indicate malicious intent, likely to direct users to download malicious files or visit phishing pages. The document body and extracted URLs suggest a lure focused on popular games like Roblox and Coin Master.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblox-free-giveaway-game-hack
    • http://cintabaca.org/katalog/repository/hack-de-roblox-counter-blox_GM431946152.pdf
    • http://cintabaca.org/katalog//repository/how-to-get-free-robux-for-free_GM431946152.pdf
    • http://cintabaca.org/katalog//repository/how-can-you-get-free-spins-on-coin-master_GM406889139.pdf
    • http://cintabaca.org/katalog/repository/show-me-a-picture-of-a-hacked-roblox-account_GM431946152.pdf
    • http://cintabaca.org/katalog/repository/coin-master-download-hack-ios_GM406889139.pdf
    • http://cintabaca.org/katalog/repository/minecraft-windows-10-edition-free_GM479516143.pdf
    • http://cintabaca.org/katalog//repository/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdf
    • http://cintabaca.org/katalog/repository/free-robux-and-tix-generator-online-no-survey_GM431946152.pdf
    • http://cintabaca.org/katalog/repository/free-roblox-codes_GM431946152.pdf
    • http://cintabaca.org/katalog/repository/coin-master-game-hack-kaise-kare_GM406889139.pdf
    • http://cintabaca.org/katalog/repository/biggerhead-roblox-free_GM431946152.pdf
    • http://cintabaca.org/katalog/repository/coin-master-golden-card-hack_GM406889139.pdf
    • http://cintabaca.org/katalog/repository/free-hack-for-robuxs_GM431946152.pdf
    • http://cintabaca.org/katalog/repository/is-roblox-free-to-play-on-pc_GM431946152.pdf
    • http://cintabaca.org/katalog//repository/coin-master-free-2021-spin-link_GM406889139.pdf
    • http://cintabaca.org/katalog/repository/guuuddinfo-get-free-robux_GM431946152.pdf
    • http://cintabaca.org/katalog/repository/hack-roblox-accounts-2021_GM431946152.pdf
    • http://cintabaca.org/katalog/repository/roblox-vip-shirts-for-free_GM431946152.pdf
    • http://cintabaca.org/katalog/repository/roblox-cheat-apk_GM431946152.pdf
    • http://cintabaca.org/katalog/repository/coin-master-hack-2021-without-human-verification_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000336d.bin
0277edf966a61f5b61b20d3e5295106884f42e6e1e693e5281d0bda825ee06b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x336D 22212 bytes
font_01_sfnt_off0000644e.bin
5cc578e03ffaf0201be00e51add2b454564006eef9906dc1a072b35287e41207		 pdf-font-stream PDF embedded font (sfnt) at offset 0x644E 19228 bytes

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