Malicious PDF — malware analysis report

Static analysis result for SHA-256 356cb1fd82823d83…

MALICIOUS

PDF

118.7 KB Created: 2022-07-08 03:09:16 +00:00 Authoring application: terdel (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: b91b8f49209bb3d952fa44410d3d60b0 SHA-1: 7047b93242647d066855ce5947cb79d8ae0fc519 SHA-256: 356cb1fd82823d83ca12a4c176d13952981bccc22dd660b5b1d8f643d92a13ce
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF contains a significant number of external links, identified as a link farm, suggesting a tactic to distribute malicious content or manipulate search engine results. One of the extracted URLs, http://starsearchtool.com/..., is particularly suspicious due to its obfuscated structure and likely serves as a download point for a secondary payload. The presence of numerous links points towards a broad distribution or phishing campaign.

Machine Learning

  • Nyx PDF Classifier clean score 0.0210

Heuristics 3

  • 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.
  • 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://starsearchtool.com/RWxlY2FyZCBBVkMgUGx1Z2luIEZvciBQcm9nRFZCIDMwMTIwNzE4IEZ1bGwRWx/calibrations/ZG93bmxvYWR8TzFsWkhGd01IeDhNVFkxTnpFNE5qazFOWHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA.accomplish=cromolyn&bechstein=dogpile&freston=microcirculation
    • https://rerummea.com/wp-content/uploads/2022/07/elwade.pdf
    • https://soflodetox.com/wp-content/uploads/2022/07/eliocea.pdf
    • https://churchillcat.com/wp-content/uploads/2022/07/Jazler_RadioStar_2230_UPD_FullMultilenguaje_Serial_Key.pdf
    • https://kentny.pt7.civic-cms.com/sites/g/files/vyhlif4576/f/file/file/regular_town_employment_application_form_4-07.pdf
    • http://bimassesement.com/system/files/webform/bim_handbooks/caidlaur639.pdf
    • https://friengo.com/wp-content/uploads/2022/07/KMSpicov91020131125Stable.pdf
    • https://www.mycatchyphrases.com/abbyy-finereader-12-serial-number-downloads-extra-quality/
    • https://fltanks.com/hack7v51elmejoractivadorwindows732y64bits-patchedmf/
    • https://www.touchegraphik.com/wp-content/uploads/2022/07/Sparkol_VideoScribe_PRO_Edition_V26_deepstatus_64_Bit_LINK.pdf
    • https://sbrelo.com/upload/files/2022/07/fvw1Fx94Wq1AGDJsZ7qn_08_3bec5d5f90f76f397bf716672b09834f_file.pdf
    • https://www.okacom.org/system/files/webform/serahamo194.pdf
    • https://www.nesoddenhk.no/wp-content/uploads/2022/07/nelcoly.pdf
    • https://pohar.bolt.hu/advert/delcam-crispin-shoemaker-2013-r1-sp2-x86-x64ssqtorrent-fixed/
    • https://drogueriaconfia.com/wp-content/uploads/2022/07/Table_Optimizer_download.pdf
    • https://jimmyvermeulen.be/wilcom-embroidery-studio-e1-5-dongle-crack-software-__full__/
    • https://philippinesrantsandraves.com/upload/files/2022/07/ixGVUu1WttB6nGY9NKcv_08_70683a931c424be3d8aaefdcdc0ec65f_file.pdf
    • http://fricknoldguys.com/the-kill-dil-hindi-dubbed-torrent-fix-download/
    • https://www.fooos.fun/social/upload/files/2022/07/jK1m9EyxEdqcjrzXqg2u_08_f95c98e1ae08e7c44f26c66f822af24a_file.pdf
    • https://tutorizone.com/nhl-09-registration-code-keygen-crack-repack/
    • https://churchillcat.com/wp-
    • https://kentny.pt7.civic-
    • https://www.touchegraphik.com/wp-
    • https://sbrelo.com/upload/files/2022/07/fvw1Fx94Wq1AGDJsZ7qn_08_3bec5d5f90f76f397bf716672b0
    • https://philippinesrantsandraves.com/upload/files/2022/07/ixGVUu1WttB6nGY9NKcv_08_70683a931c
    • https://www.fooos.fun/social/upload/files/2022/07/jK1m9EyxEdqcjrzXqg2u_08_f95c98e1ae08e7c44f2
    • https://trello.com/c/b6kfcoZh/56-crack-better-archicad-13-x32-turtle
    • http://www.tcpdf.org
    • 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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