MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers strongly indicate maliciousness, and the structure suggests it's part of a phishing campaign, likely delivered as an attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://cattaneoarchitetti.it/userfiles/files/loraviwatukenewitu.pdf In PDF document text
- http://aqbnb.com/uploadfile/file/xotezefofedi.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/b096b0a10983c09cfa0bcec484f79758/zavoxopalinet.pdfIn PDF document text
- https://efsanepin.com/calisma2/files/uploads/30867873084.pdfIn PDF document text
- http://bamboomfi.com/htdocs/cljr/data/files/35435292819.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144ed590ff26---pasumuzolesurironipepe.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/86431404254.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/84925352692.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/xevug.pdfIn PDF document text
- https://medbioplast.com/klucharnet/images/file/14208478283.pdfIn PDF document text
- http://sghr.ca/upload/ckfinder/files/vejoviwo.pdfIn PDF document text
- http://www.cenlajobinator.com/siteuploads/editorimg/file/gopanisevutupazevenagat.pdfIn PDF document text
- https://memo-log.com/userfiles/file/17812809951.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/b59cf5a2f3ac75e73e6f4a8089bd4f1e/fosaxutodozelune.pdfIn PDF document text
- http://grandviewgroupresort.com/upload/files/japug.pdfIn PDF document text
- https://totalsewa.com/userfiles/file/bulopasokatevejuxav.pdfIn PDF document text
- http://prime-standard.com/piceditor/file/nanagusos.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408f3559c9a---wufakufululesuxusogelubu.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-9-15/20210915213243144097.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/52402816109.pdfIn PDF document text
- http://pro-roubenky.cz/UserFiles/File/30917396695.pdfIn PDF document text
- http://facilitymanagementassociates.com/survey/userfiles/files/keguzowivajitajuzif.pdfIn PDF document text
- https://soenen-pneus.com/upload/file/15582594527.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=romantic+words+that+start+with+rPDF 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_off0000b0bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0BB | 17348 bytes |
SHA-256: b982e0da707f01caec9d995825349a52b91aaffdacb8d951c00d06df9f44958b |
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font_01_sfnt_off0000dd3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD3F | 10588 bytes |
SHA-256: f721a44ddb8ff565ee46ae4b159314d662579164e2e7a066c16dc1c957a8c40f |
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font_02_sfnt_off0000f555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF555 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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