Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fe21cb2dc672ab4…

MALICIOUS

PDF

44.4 KB Created: 2021-06-11 13:03:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 4576cac441970cc3a71f6cc6c9e25e09 SHA-1: 5589ec2adccf4f232ad80dfaee7816c720fa8639 SHA-256: 2fe21cb2dc672ab4a42f14d2fee9a4408c11c7621691f5f8ac260f643a6e2a33
142 Risk Score

Malware Insights

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

This PDF document exhibits characteristics of a malicious lure, employing a fake CAPTCHA or human verification prompt to deceive users. It contains a large number of external links, many pointing to PDF files hosted on condit-pack.com, suggesting a link farm or redirection scheme. The presence of these elements, combined with a high ML classifier score, indicates a strong likelihood of malicious intent, likely to download further malware or lead users to scam pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 5

  • 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.
  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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.tw/app/431946152/how-to-hack-ing-to-roblox-ao-game-hack PDF link annotation
    • http://condit-pack.com/images/haktuts-coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/how-to-het-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/minecraft-world-free-download_GM479516143.pdfIn PDF document text
    • http://condit-pack.com/images/minecraft-download-free-download_GM479516143.pdfIn PDF document text
    • http://condit-pack.com/images/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/minecraft-hack-download_GM479516143.pdfIn PDF document text
    • http://condit-pack.com/images/pubg-uc-17_GM1330123889.pdfIn PDF document text
    • http://condit-pack.com/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/play-minecraft-pocket-edition-for-free_GM479516143.pdfIn PDF document text
    • http://condit-pack.com/images/how-to-get-free-robux-inspect-no-waiting_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/free-spins-on-coin-master-generator_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/free-robux-cash-out_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://condit-pack.com/images/how-to-get-free-robux-on-android_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/free-account-roblox-with-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.

FilenameKindSourceSize
stream_004_off00004eed.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EED 25724 bytes
SHA-256: ddb9922f59da427102a6cfd9270d1d28936a0ad757c17d2eeac1d9c94f092cf4
font_01_sfnt_off000089c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89C4 18636 bytes
SHA-256: f27770261c827140e1ea338ecc0a6a24ecbdfffd1a41fe8c101ba4cd660eab4c

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