Malicious PDF — malware analysis report

Static analysis result for SHA-256 020884025c3703c5…

MALICIOUS

PDF

63.7 KB Created: 2021-09-05 00:38:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 48bbb681794dd0af2e640ce17d84c0c1 SHA-1: 158056025a017c79e514a1126fe3bd10f0f9a75a SHA-256: 020884025c3703c5733ef5712bc295c9c82e114836f9cb70ab3cf509aa7b26e5
154 Risk Score

Malware Insights

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

The PDF file contains a link farm directing users to multiple compromised WordPress sites. These sites host further PDF files, suggesting a multi-stage redirection or phishing scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6263

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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 http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c048abb9d2b---75821605272.pdf In PDF document text
    • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611823587faa6---75683469255.pdfIn PDF document text
    • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607668fcdd49a---fopatezowogori.pdfIn PDF document text
    • http://thegioimercedes.com/upload/files/33434031236.pdfIn PDF document text
    • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/d1d77b928c9e34a6f07371260c1ada01/ketazidoxar.pdfIn PDF document text
    • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/7oq5sqv1r496cqurri51kkuq9r/bawusugipobafesexujuzube.pdfIn PDF document text
    • http://huron81reunion.com/clients/f/fe/feec28e48c841af8be4ad6373737a022/File/vadutil.pdfIn PDF document text
    • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607eac186361d---veziramowiw.pdfIn PDF document text
    • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/9c2aa4637f794ba0b30bbe482a071cc4/jelerinobusipasuvutiguli.pdfIn PDF document text
    • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b0b529cf676---sijuxuz.pdfIn PDF document text
    • http://klubalfa.org/img/userfiles/file/55725601842.pdfIn PDF document text
    • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b804eea07c7---79676438532.pdfIn PDF document text
    • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/a73eaa3e3f8954f36256b40829f7b474/nebunuteterabidurekijixe.pdfIn PDF document text
    • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/a231d816189280dfc3855f47984bdcc1/67520248174.pdfIn PDF document text
    • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c34112e4581---kevovuzuderakapag.pdfIn PDF document text
    • http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/toxovifujora.pdfIn PDF document text
    • http://www.contal-farmer.com/uploads/files/72922980171.pdfIn PDF document text
    • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/6433e0a8a07cf99b287e8e1055e42cd0/74995313948.pdfIn PDF document text
    • http://mylivediamondinventory.com/uploads/files/zavudimidazorexilo.pdfIn PDF document text
    • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e4acf5314d.pdfIn PDF document text
    • http://zonweringbelgie.nl/ckfinder/userfiles/files/wopitagorivov.pdfIn PDF document text
    • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0faaa474d---28015370076.pdfIn PDF document text
    • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b7a813285---jagige.pdfIn PDF document text
    • https://nbretail.com.vn/ckfinder/userfiles/files/52089576740.pdfIn PDF document text
    • http://constantemail.com/userfiles/file/162470604790806766050.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=honda+click+150i+game+changer+manual+pdfPDF link annotation

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