Malicious PDF — malware analysis report

Static analysis result for SHA-256 e92ed33301bb6c5f…

MALICIOUS

PDF

55.4 KB Created: 2021-07-19 20:19:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 564e89308f80975dcbc72b3e39b14000 SHA-1: b1cdf3c84428e5aef1543bfa6920a2d43c74ced2 SHA-256: e92ed33301bb6c5fb5a09efd17eca49a1440aa58012e0cee88c819bbb0b23aa4
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a phishing or trojan threat. It functions as a link farm, presenting numerous URLs that lead to external sites, some of which are hosted on compromised WordPress installations or disposable domains. The presence of these links suggests an attempt to direct users to malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5388

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://rwdwebwebdesign.com/img-aim/files/51515180188.pdf In PDF document text
    • https://ocbond.org/userfiles/files/danufawetadopovixapiz.pdfIn PDF document text
    • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/6d18deed7edb4d282b369c3ae36fe248/80448045692.pdfIn PDF document text
    • http://wearefamilypalestine.com/clients/3/3b/3bc38fc23f9ffb54b20226cbd6ad6ce3/File/japaxavubonilofozudeli.pdfIn PDF document text
    • http://multifamilyfoundation.org/clients/3/38/38c33163524538bb895552046de0b362/File/jazojofata.pdfIn PDF document text
    • http://holzbau-napetschnig.at/wepokolu.pdfIn PDF document text
    • http://icwest78.com/clients/67591/File/4023410978.pdfIn PDF document text
    • https://gofropack.com/wp-content/plugins/super-forms/uploads/php/files/26c7463c9567251ce3adcdc1ae06d98b/buzakuko.pdfIn PDF document text
    • https://defrokatilai.lt/images/files/kinokurabagavevuvox.pdfIn PDF document text
    • https://africanresearchcenter.com/userfiles/file/maxizupakapogopozin.pdfIn PDF document text
    • https://cuisinescartier.ca/upload/editor/file/14394568936.pdfIn PDF document text
    • http://dianacb.cz/userfiles/file/wilaziratufipojerelaz.pdfIn PDF document text
    • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b07b6048a3c---pokopug.pdfIn PDF document text
    • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/45538666413.pdfIn PDF document text
    • http://2440027.ru/upload/file/19004520599.pdfIn PDF document text
    • http://nicenpos.com/userData/board/file/58065942064.pdfIn PDF document text
    • https://wrd13.com/force/file/tevamuga.pdfIn PDF document text
    • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/314f70da45d7fa5e3bad8989a58ab8b7/nanedifewam.pdfIn PDF document text
    • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/9ifum7q8lvh032ceparuh0dlt1/62688791285.pdfIn PDF document text
    • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0259b2d86---47676544556.pdfIn PDF document text
    • http://urjabatteries.in/userfiles/file/punonutamabagirakuzewuli.pdfIn PDF document text
    • http://ottotech.center/userfiles/file/12885139.pdfIn PDF document text
    • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/a20e0840c9a80fb74cba3658453b9a65/sapopetadi.pdfIn PDF document text
    • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/dikifanunotopex.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=synthes+catalog+pdfPDF link annotation

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