MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file that contains numerous links, many of which point to compromised WordPress upload directories or SEO redirectors. The heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' indicates an image lure related to 'bioluminescent plants pdf' that redirects to a malicious URL. The presence of ClamAV detection and ML classification further supports its malicious nature, likely serving as a phishing lure or a downloader for further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.7346
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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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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://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/29156364069.pdf In PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/1u77c8i0hf3ad335193tu0rc1l/jamuruweni.pdfIn PDF document text
- https://goldmenu.com/userfiles/file/95957683312.pdfIn PDF document text
- http://njchemland.com/upload/files/sipukofimesal.pdfIn PDF document text
- https://groupunsur3.com/contents/files/gaduv.pdfIn PDF document text
- http://veiligheidsslot.nl/ckfinder/userfiles/files/10783197827.pdfIn PDF document text
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/78653f6ff2f7110fb2e7222f82058085/wupitulejabiki.pdfIn PDF document text
- http://giaydantuongphongkhach.net/images/news/file/kuvuzanogawijunoxumoxip.pdfIn PDF document text
- https://yauspeshen.com/ckfinder/userfiles/files/tojufetuwasafapuk.pdfIn PDF document text
- https://gornjastubica.hr/files/fixagaz.pdfIn PDF document text
- http://iuppiteredizioni.it/kcfinder/upload/files/31825715800.pdfIn PDF document text
- https://kingwaterpure.com/ckfinder/userfiles/files/34359514329.pdfIn PDF document text
- http://membre3.trajetplus.fr/userDocs/file/kotas.pdfIn PDF document text
- http://jovanrajsic.net/storage/files/93369279840.pdfIn PDF document text
- https://www.journalstudiesanthropology.ro/adm/jsq/kcfinder/upload/files/vemipezewawapodudoke.pdfIn PDF document text
- https://www.unecol.com/uploads/kcfinder/upload/files/wutetotikaveta.pdfIn PDF document text
- https://kralpin.com/calisma2/files/uploads/4299490191.pdfIn PDF document text
- https://themalc.org/files/file/42557051944.pdfIn PDF document text
- http://defhjdrjioo.friend-match.com/upload/files/31988166648.pdfIn PDF document text
- https://igmof.com/admin/js/kcfinder/upload/web_file_ig_1/files/vaganedajud.pdfIn PDF document text
- http://giaydantuongphongkhach.net/images/news/file/80775127518.pdfIn PDF document text
- http://ceu-jgh.org/kcfinder/upload/files/dalajubuke.pdfIn PDF document text
- https://airshow-bg.com/file/jukudafipukekoxeguxo.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621ab07ecfdfa---sogokugij.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/74847228553.pdfIn PDF document text
- http://bannermaul.com/userData/board/file/toluputarabilogiki.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fab3009c418---14549914074.pdfIn PDF document text
- http://khodahoanglang.com/admin/webroot/upload/image/files/tejew.pdfIn PDF document text
- https://ltes.tw-goods.com/UserFiles/files/75031846590.pdfIn PDF document text
- https://fotbal.regionycr.cz/media/file/bovarododo.pdfIn PDF document text
- http://www.klub112.cz/upload/files/jabiwakokikububusobi.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/nofejojojimovozamalosedur.pdfIn PDF document text
- https://melnikhouse.com/userfiles/file/45711534697.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161ff3a0538a71---55880892214.pdfIn PDF document text
- https://www.prashantgroup.com/admin/kcfinder/upload/files/24587233017.pdfIn PDF document text
- https://wirut.co.za/XSRYdR1H?utm_term=bioluminescent+plants+pdfPDF 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 extracted file (font_00_sfnt_off00042154.bin)
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00042154.bin)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00042154.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x42154 | 17588 bytes |
SHA-256: cd4e5c6e21d86b72512d69d276fc1a251a67828f8004abd8912689d9e144508c |
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font_01_sfnt_off00044e88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44E88 | 16560 bytes |
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9 |
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font_02_sfnt_off000465a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x465A8 | 10832 bytes |
SHA-256: 6068eb3261d5b77af8091b6216db10c5b1e143307c657154653af187d55e2607 |
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