MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple external URIs and link farm heuristics strongly suggests a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://laborke.ru/uplcv?utm_term=android+store+change+country PDF link annotation
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614248ee75b7c---pivovamevixif.pdfIn PDF document text
- http://rrarental.org/upload/file/gejutuli.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140738d2a21f---52539678850.pdfIn PDF document text
- http://a899.net/userfiles/file/nujamikinawe.pdfIn PDF document text
- http://munnarinfo.in/userfiles/file/30375595912.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/22cea8e8408a4fe9719b6135bf8c7f39/jumolarezosasadaz.pdfIn PDF document text
- http://proficlim.ru/public/userfiles/file/natetusuvorit.pdfIn PDF document text
- http://www.europesolidaire.eu/userfiles/files/18446082109.pdfIn PDF document text
- http://dautuck.com/uploads/userfiles/file/58229115984.pdfIn PDF document text
- http://www.sas.edu.mn/ckfinder/userfiles/files/wopiwisakeb.pdfIn PDF document text
- https://chuyennhakienvangvn.net/upload/files/gorikazujerazisuge.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/fogujisupapajaxepudonuv.pdfIn PDF document text
- http://constantemail.com/userfiles/file/1631897617xeritidagodexofitalugusib.pdfIn PDF document text
- http://solis.altrodesign.eu/ckfinder/userfiles/files/fasekimisab.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/49861751628.pdfIn PDF document text
- http://hydrogears.com/survey/userfiles/files/45788890533.pdfIn PDF document text
- http://phfamilyrestaurant.com/uploads/files/rifilosulixamam.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137ed697bda2---63135286822.pdfIn PDF document text
- https://kvzriu.org/images/file/pekajumenakiwisobe.pdfIn PDF document text
- http://peaceinsrilanka.lk/userfiles/file/47194641519.pdfIn PDF document text
- https://vili-al.com/uploads/wysiwyg/files/jufogux.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/sonojiru.pdfIn PDF document text
- http://dallapietamarchisio.it/userfiles/files/32674602392.pdfIn PDF document text
- 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_off0000d8e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E4 | 16776 bytes |
SHA-256: 8b33f4c3564e1151aab207c3629b4daea7260d1eefdf00546cb542565cae6d8c |
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font_01_sfnt_off0001043e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1043E | 10796 bytes |
SHA-256: 5dd5c5eb303fd963b0917e56c6b561955fb4d7ffc65e4da20495ffd356dd0002 |
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font_02_sfnt_off00011ced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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