Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d105988041d6b63…

MALICIOUS

PDF

63.7 KB Created: 2021-08-17 05:58:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 00f9e5b00cc4bdc1e42027c57fda2684 SHA-1: 700e09fba944231012802386c6d76f48203f0943 SHA-256: 7d105988041d6b637341ca33bb42902a8b43def8fd275d73beac039a81d77349
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting. The ClamAV detection and ML classifier indicate malicious intent, likely to phish or redirect users to malicious content. Although no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to exploit users through deceptive links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5245

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/2c3c99d6f173e4553083634d3eee3bde/nedezifagife.pdf
    • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfd3fed7480---bikidiwenemowivuwuzux.pdf
    • https://laptoptranganh.com/data/dulieu/files/seminezuletod.pdf
    • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607debdd9e991---vibawo.pdf
    • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160783152761fd---tajufefaminomejaju.pdf
    • http://legendtec-eg.com/wp-content/plugins/super-forms/uploads/php/files/lh6su778cr3htcecnfvhkmm546/wituropela.pdf
    • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e3650484bf---gotowuzesujelegumefofu.pdf
    • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160c202b40c400---97602552434.pdf
    • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/15f102c256e69104ffe1ec9d8f066622/vekulipogiwejiwosijex.pdf
    • https://ultralloy.net/upload/files/98333915513.pdf
    • http://albertopizzetti.it/userfiles/files/66539004886.pdf
    • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/6ekac2rcd7ea7sgbl07lqjfitu/wulafin.pdf
    • http://uitetenindex.nl/images/uploads/72888931782.pdf
    • http://bacsionline.net/userfiles/file/revusu.pdf
    • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160929d457033e---59531689872.pdf
    • http://hoteldazegliotorino.com/userfiles/files/86286728730.pdf
    • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/a305fd6673c9c02b03021bf52754c7f8/wanulikumoburofusi.pdf
    • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082aec51e70b---sarapivoluluxab.pdf
    • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607340c7ab2ed---46030340763.pdf
    • http://cdio.vn/uploads/userfiles/file/12112915372.pdf
    • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160818d1575c3e---73351714103.pdf
    • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160c187532135d---kugasoxijevum.pdf
    • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d291fa6421---33495628414.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+to+get+unlimited+coins+dls+2020

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