Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b9495582daf43e6…

MALICIOUS

PDF

119.1 KB Created: 2022-07-04 03:02:34 +00:00 Authoring application: hellory (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: a7bc349956d92bb8256f7f83635ee1f0 SHA-1: b629c428f41a1e3a9c355c2445401aa1b21e3ef9 SHA-256: 6b9495582daf43e6f855ee6208b85b8e299dd779c9bdae5a81e2231735604668
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of external links, many of which point to sites advertising cracked software. This indicates a lure to download potentially malicious software. While no scripts were directly extracted, the PDF structure and the nature of the linked content suggest an attempt to trick users into a malicious download, likely initiated via spearphishing.

Machine Learning

  • Nyx PDF Classifier clean score 0.0175

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.
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://72bid.com?password-protected=login
    • http://web904.com/?p=1165
    • https://www.rhodiusiran.com/wp-content/uploads/2022/07/netlan.pdf
    • https://roundabout-uk.com/wp-content/uploads/School_Bell__Crack_Free_Download_MacWin.pdf
    • https://innovacioncosmetica.com/wp-content/uploads/2022/07/Sys_Probe__Crack__Latest.pdf
    • http://capabiliaexpertshub.com/campgrounds-database-incl-product-key/
    • https://stroitelniremonti.com/wp-content/uploads/2022/07/colyyel.pdf
    • https://www.distrixtmunxhies.com/2022/07/04/sql-server-source-control-for-developers-crack-free-registration-code-free-macwin-2022/
    • http://inventnet.net/advert/1-abc-net-webdynamicer-crack-free-license-key-free/
    • https://momentsofjoys.com/2022/07/04/migmigi-5-4-6-with-serial-key/
    • https://geobook.ge/advert/obj-export-for-sketchup-x64/
    • https://longitude123.net/wp-content/uploads/2022/07/BulkDown_Pictures.pdf
    • https://akastars.com/upload/files/2022/07/jAvRYTlthnkEdmALHxAc_04_444ecd45dc37e3d214bb1314790a6474_file.pdf
    • https://libertycentric.com/upload/files/2022/07/4K4o7X9rZFxumXH26uji_04_4457c663146bf996ead96a28d98349da_file.pdf
    • http://xn----btbbblceagw8cecbb8bl.xn--p1ai/mediaespresso-crack-download-mac-win-latest/
    • https://www.cameraitacina.com/en/system/files/webform/feedback/phyfot819.pdf
    • https://revelandrest.com/wp-content/uploads/2022/07/Underwater_World_Free_Screensaver__Crack__Free.pdf
    • https://www.distrixtmunxhies.com/2022/07/04/sql-server-source-control-for-developers-crack-free-registration-code-
    • https://akastars.com/upload/files/2022/07/jAvRYTlthnkEdmALHxAc_04_444ecd45dc37e3d214bb1314790a6474_file.p
    • https://libertycentric.com/upload/files/2022/07/4K4o7X9rZFxumXH26uji_04_4457c663146bf996ead96a28d98349da_
    • http://seachtop.com/ajaccio/anchorperson/R0NNIFV0aWxpdHkR0N/brilliantseo/hklm
    • https://www.kidney.org/system/files/webform/star-trek-chronometer.pdf
    • https://paperpage.sgp1.digitaloceanspaces.com/upload/files/2022/07/R24y2WAKlpD22SD6xZSN_04_dc93061730a3b89197792115f5d30119_file.pdf
    • https://wakelet.com/wake/YzwCMas4hYcyRZ4U5s9vk
    • http://www.tcpdf.org
    • https://paperpage.sgp1.digitaloceanspaces.com/upload/files/2022/07/R24y2WAKlpD22SD6xZSN_04_dc93061730a3b
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

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