Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d764ca341e9f97e…

MALICIOUS

PDF

48.0 KB Created: 2021-09-06 07:55:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 2070ff5114ca5714bd05aa7e00a2280b SHA-1: c03008126b8e1d8dfc6bc88851947273858ccf66 SHA-256: 2d764ca341e9f97e28d7d47da366f5159866668c4b0774d986b5b876f1f09c2c
154 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to lure users to compromised resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6447

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 https://trellisdundee.com/wp-content/plugins/super-forms/uploads/php/files/f52718e6e1b20f4e3d8c3760baebfa95/nokolaperibatupuwuwafapaw.pdf In PDF document text
    • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132994f34773---lezemafutavakiwo.pdfIn PDF document text
    • https://espiber.cl/images/uploadedimages/file/51641805130.pdfIn PDF document text
    • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/c91c2649ac99515b17ebc911e8094083/59510490180.pdfIn PDF document text
    • http://aksaaydinlatma.com/img/editor/image/file/55656856931.pdfIn PDF document text
    • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1610486218a03f---68134785862.pdfIn PDF document text
    • http://schodylux.pl/userfiles/file/64457913874.pdfIn PDF document text
    • http://schokobrunnen.com/idata/pokijasinok.pdfIn PDF document text
    • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/2c8e24mtkn097l155u9ecj14j6/zugirosowefewubixa.pdfIn PDF document text
    • https://98ing.com/upload/ck/files/20210811_184727.pdfIn PDF document text
    • http://isspskola.lv/userfiles/files/nomuvuvipetudabowur.pdfIn PDF document text
    • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16118afc3dba56---18972238137.pdfIn PDF document text
    • http://inbond-cn.com/userfiles/file/zojadejakesebazoluweguj.pdfIn PDF document text
    • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/fad50750782359e6b5f6a47c68fdb4b8/40625711895.pdfIn PDF document text
    • http://terfigyelokamera.info/files/file/75331523124.pdfIn PDF document text
    • http://firesecurity.sk/userfiles/file/gowadafo.pdfIn PDF document text
    • http://ekotronic.eu/files/file/89432262901.pdfIn PDF document text
    • https://study-abroad-travel.com/ckfinder/userfiles/file/34961074880.pdfIn PDF document text
    • https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/d03372af82fe1db7cf58ea617402c21a/lexepodege.pdfIn PDF document text
    • http://banlinhkienlaptop.com/userfiles/file/58785420626.pdfIn PDF document text
    • https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/4810735534.pdfIn PDF document text
    • https://cengilli.com/icerik_images/file/jarurexefomapinajut.pdfIn PDF document text
    • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609885af333a1---doletoliromoditeb.pdfIn PDF document text
    • http://gesgo.de/userfiles/file/90740004360.pdfIn PDF document text
    • http://7seapharmtech.com/Uploadfiles/files/57265166186.pdfIn PDF document text
    • https://oicenglish.com/imagexx/files/tomejiwodibit.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=praying+for+your+family+pdfPDF link annotation

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