Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f85277794e9d199…

MALICIOUS

PDF

49.8 KB Created: 2021-09-19 01:33:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 7b32e8cd7fe6c07b195e843b2a633b60 SHA-1: 89db79a8b75071427947d705582a9914c6ee3f94 SHA-256: 2f85277794e9d1990695b587192791d09c4a2a337b5ecf3e3cd81950a9e81ffa
154 Risk Score

Malware Insights

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

The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites. These links are likely intended to lure users into downloading further malware or engaging in phishing activities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8005

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://atasuorganiktarim.com/upload/ckfinder/files/64589875592.pdf In PDF document text
    • http://twtipa.com/upfile/files/2021/09/06/48497443309.pdfIn PDF document text
    • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff72d97129---jagupegewik.pdfIn PDF document text
    • https://btsis.com/upload/ckfinder/files/zikon.pdfIn PDF document text
    • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe69aa0c3c---tupijagotoj.pdfIn PDF document text
    • https://alatheir.com/atheirwsfiles/file/99491404731.pdfIn PDF document text
    • https://brs.jo/userfiles/files/duromopoladexo.pdfIn PDF document text
    • http://doradcyprawni.com/images/pliki/58510605466.pdfIn PDF document text
    • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/92238783454.pdfIn PDF document text
    • http://drivingtesttips.ie/fckeditor/userfiles/file/lefazogusezigudat.pdfIn PDF document text
    • https://pui-vital.ro/msg_media/file/85093984817.pdfIn PDF document text
    • http://oralrem.kz/ckfinder/userfiles/files/82005456111.pdfIn PDF document text
    • http://bdsps.org/slbdavbatala/userfiles/file/popuzo.pdfIn PDF document text
    • http://musicincw.com/fckeditor/userfiles/image/zegexomunilivagajixoroz.pdfIn PDF document text
    • http://ilsogno-bomboniere.com/userfiles/files/69609327473.pdfIn PDF document text
    • https://cncunse.com/d/files/zonogakisibalizuzavemaf.pdfIn PDF document text
    • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/851885c1c5a294589500fe5c4b36738e/sutepoli.pdfIn PDF document text
    • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336ea946901---29343381341.pdfIn PDF document text
    • http://tomgiongvip.com/uploads/files/file/taxobivofof.pdfIn PDF document text
    • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/17572622563.pdfIn PDF document text
    • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145dfd74ae23---pezirig.pdfIn PDF document text
    • https://coebmsf.com/userfiles/file/82951000066.pdfIn PDF document text
    • http://nitecoreromania.ro/files/file/gudem.pdfIn PDF document text
    • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/f2d9d96919dbe166c7f7f594f358e2b9/12681331927.pdfIn PDF document text
    • https://livres-arts.com/ckfinder/userfiles/files/viputaxetepanezugivavu.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=rate+app+button+androidPDF link annotation

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