MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised or disposable domains, a common tactic for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' confirm the nature of the links as a link farm on potentially untrustworthy hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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://tulga.ru/editor/files/94977005122.pdf In PDF document text
- http://www.addvanceo.info/userfiles/files/bijowedezidetijaz.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/a3c6d59d3bcd927242b72d3659d9bd9a/sefazogegenimep.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/suzagabugebone.pdfIn PDF document text
- https://tatsolarlight.com/uploads/files/76151026896.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/761670975f5302a88033e4a35d702a9e/10081530627.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/b7420179e099071348b57672ac339cf0/kusezupogopararidejobubaz.pdfIn PDF document text
- http://palakkadtourism.in/ckfinder/userfiles/files/movizatibikugobadawanimaw.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b41d2c7c8ad---kezemanig.pdfIn PDF document text
- https://malashealthcare.com/userfiles/files/jififokav.pdfIn PDF document text
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/4d47c424314bb5a2d747d128a930a3b9/35942033677.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b42b60b643c---nijibivir.pdfIn PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/dd4nc60v9jahjoa177qqd1e860/28216142395.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/b4uvcjbr0k5kdqoerp1564i742/47004759376.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161324c6fa22e9---51896725479.pdfIn PDF document text
- http://zajazd-broadway.pl/galeria/file/doratekokesozesavujubi.pdfIn PDF document text
- http://thegroverestaurantnj.com/userfiles/files/xinima.pdfIn PDF document text
- http://pcccphucvinh.com/upload/files/19902088369.pdfIn PDF document text
- https://sesconbs.org.br/ckfinder/userfiles/files/87333672602.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8bf00c962---90258199231.pdfIn PDF document text
- https://ww150004.linebot.net/upfile/files/20210905055009.pdfIn PDF document text
- http://bellina.pl/userfiles/file/wojawavil.pdfIn PDF document text
- http://mazdooradda.com/userfiles/file/57471785479.pdfIn PDF document text
- http://lighthouse-connection.at/myPix/file/jekiwexevuberosib.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+do+i+manually+insert+page+numbers+in+word+2010PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b4fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4FC | 15928 bytes |
SHA-256: 786c48764ad3e699739d737856c93daf49f1b2fe8fe9aaccd13717d06f76acc4 |
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font_01_sfnt_off0000dd50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f567.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF567 | 11460 bytes |
SHA-256: de9560f2a59513701e49fc78e09fbbcf6be941657cfe54e5b6181843f2dfe6aa |
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