MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress upload directories and disposable hosting sites, indicating a phishing or malware distribution attempt. ClamAV and ML classifiers strongly indicate maliciousness, and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic confirms the presence of a link farm designed for SEO manipulation. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/04efd0c8cebc0bbbd0b9d605d300fa7c/97683329400.pdf In PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/itft5alig23i34dtaldkh96tpb/terovigabiwetusu.pdfIn PDF document text
- http://wadirumshootingstars.com/userfiles/file///rikezovat.pdfIn PDF document text
- https://bozoklar.org/ckfinder/userfiles/files/6673952566.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/79538392634.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/45806242990.pdfIn PDF document text
- http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mikowilo.pdfIn PDF document text
- https://actorconseil.com/files/file/vaxaniziwopavulafikalapar.pdfIn PDF document text
- http://tcihk.com/userfiles/17298847910.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160726edf46c11---27561889395.pdfIn PDF document text
- http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076375bb9ff1---mowebozekudowon.pdfIn PDF document text
- https://hoakhanh.vn/uploads/image/files/jozipotipukulow.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160864ca90ff45---xigowomosujaxomafilulexet.pdfIn PDF document text
- https://polymadeniyaglar.com/fckeditor/userfiles/file/74012430291.pdfIn PDF document text
- http://autosklo.sk/pictures/file/76670123637.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/42088495810.pdfIn PDF document text
- https://ceccarmaramures.ro/userfiles/file/rekivililepulajuj.pdfIn PDF document text
- http://covinahigh1980.com/clients/1/14/147ee80f0cf2e08ca1b5067d21485a43/File/24354107905.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/wekanuvapomegufen.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/70291590543.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607b04634848e---votasofuzebonururuwazinap.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/876ab59df3f4965ed6b99d021c94a8df/96338229658.pdfIn PDF document text
- http://3colorjazz.com/fckeditor/userfiles/image/dojefavinivuduvu.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/b6e75432259076b2ae32c0d02642bf5f/womexezonux.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=software+pdf+to+word+converter+full+versionPDF 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_off0000f498.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF498 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010caa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CAA | 17476 bytes |
SHA-256: 914a6b33dee877a54c817203bf5f86e7e37cdd808f7f29fd3617645f1f1222f5 |
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font_02_sfnt_off000139c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139C0 | 10940 bytes |
SHA-256: e7097106f4eabcb65eeb5bc457e1df5679995e233a361ddb02c00d1fc30e4705 |
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