Malicious PDF — malware analysis report

Static analysis result for SHA-256 7edabd5138c4c8ba…

MALICIOUS

PDF

47.3 KB Created: 2021-09-16 03:35:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: d80ff5735eb4e34101f0624a81c24f0a SHA-1: d8f28b8aebee4834b2b211aa46393a27cc9360d2 SHA-256: 7edabd5138c4c8ba11af9c70f23882b254723d80bb34442422ca2ddb4c17be2f
154 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs that point to compromised WordPress sites and other disposable hosting. These links likely serve as a link farm to redirect users to phishing pages or download further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6646

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://queure.ru/uplcv?utm_term=share+from+ios+to+android PDF link annotation
    • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/161428c008fa53---gexojuvidatusuvusijik.pdfIn PDF document text
    • https://pasationtravellers.com/root/FCKeditor/file/zoxikadokedom.pdfIn PDF document text
    • https://alansglobalservices.com/ckfinder/userfiles/files/17578729136.pdfIn PDF document text
    • http://dakdekkersindex.nl/images/uploads/fuvenigozeranizogawuretok.pdfIn PDF document text
    • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/161348c847b6b0---runifokuvavojew.pdfIn PDF document text
    • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/161414483dfc33---72215553714.pdfIn PDF document text
    • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613a529bf1276---72201949460.pdfIn PDF document text
    • https://chambres-a-la-ferme-plouzelambre.fr/userfiles/file/dugibafozuxi.pdfIn PDF document text
    • https://lotte-ppta.com/beta/assets/file/namadox.pdfIn PDF document text
    • http://gnox.vn/upload/files/ditefobuzevoludala.pdfIn PDF document text
    • https://rougezenekar.hu/files/file/pidezaruwulukak.pdfIn PDF document text
    • http://salonorganica.ru/upload/files/80689533919.pdfIn PDF document text
    • http://way-of-spirit.ru/upload/file/verelewawejuf.pdfIn PDF document text
    • http://easyliveconstruction.com/ci/userfiles/files/benefaromasokapubonisi.pdfIn PDF document text
    • http://bfcy88.com/uploads/files/79407516529.pdfIn PDF document text
    • http://szermgrt.hu/uploads/ckfinder/userfiles/files/3279527350.pdfIn PDF document text
    • http://phongthuyphatloc.com/luutru/files/19611366463.pdfIn PDF document text
    • https://eurosan.pl/user_images/file/35059826968.pdfIn PDF document text
    • http://ingmarcofaedi.com/userfiles/files/32398598250.pdfIn PDF document text
    • https://footballsod.com/images/ck-uploads/files/zetibi.pdfIn PDF document text
    • http://badaranquehablar.com/userfiles/files/72154980220.pdfIn PDF document text
    • https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/15047264283.pdfIn PDF document text
    • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e6b5f17a7---jotaz.pdfIn PDF document text
    • https://tjp2-hotlink-j3t.com/contents/files/suparajemolizevebiv.pdfIn PDF document text

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