MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to multiple compromised CMS upload locations and disposable hosting, likely serving as a lure to phishing or malware download sites. No scripts were extracted, but the PDF structure itself facilitates the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 https://taybaite.com/userfiles/file/wekovepezam.pdf In PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f762659c6e---25326468560.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161458f8a47ac9---rotewazamipizakevizo.pdfIn PDF document text
- http://lapmaymn.samdigroup.vn/app/webroot/upload/files/xawem.pdfIn PDF document text
- http://zulassungsdienst4you.de/bilder/file/xutefa.pdfIn PDF document text
- https://lederstuehle-shop.de/ckfinder/userfiles/files/67302735956.pdfIn PDF document text
- https://etravelbox.com/scgtest/team-explore/uploads/files/zelusi.pdfIn PDF document text
- http://simonide.org/userfiles/file/67402081220.pdfIn PDF document text
- https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/20225259187.pdfIn PDF document text
- http://mvdeastudio.it/userfiles/files/bezofikupojaxasefej.pdfIn PDF document text
- http://divapharma.com/uploaded/file/vaberitol.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ccb1a1c6c1---67328297206.pdfIn PDF document text
- http://dmychadla.eu/UserFiles/File/jawapi.pdfIn PDF document text
- http://koreadramatour.com/FileData/ckfinder/files/20210921_746E98BDF4E39120.pdfIn PDF document text
- https://workinhotel.com/upload/fckfile/kevexulodavevor.pdfIn PDF document text
- https://98ing.com/upload/ck/files/20210910_181751.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/161434a5338abb---bagodobi.pdfIn PDF document text
- https://rocha.pt/userfiles/file/55718820890.pdfIn PDF document text
- http://isotech.si/uporabnik/file/78654806453.pdfIn PDF document text
- https://nicklason.se/ckfinder/userfiles/files/400880879.pdfIn PDF document text
- http://rc-mst.com/mst/_upload/files/dolevejimu.pdfIn PDF document text
- http://yuqiaohome.com/uploads/files/202109201619478605.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=positive+word+that+starts+with+an+sPDF 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_off0000afed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFED | 10452 bytes |
SHA-256: 5e15fa7fcbe128a95e664dac5a728208e3396770c5fe52c2bff369c14c1d1926 |
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font_01_sfnt_off0000c7b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dfc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC3 | 17080 bytes |
SHA-256: 9a4e9fd56a8660fc0e751a1c677887fb9fc54705672b89a76fab7a1f62851d19 |
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