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 disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://www.oomedia.com.tw/ckfinder/userfiles/files/5624133049.pdf In PDF document text
- https://epgeptech.hu/ckfinder/userfiles/files/81500599601.pdfIn PDF document text
- https://vico-domrep.com/ckfinder/userfiles/files/93243462067.pdfIn PDF document text
- http://leanuslab.com/UserFiles/file/51608208719.pdfIn PDF document text
- http://ellenia3.eu/userfiles/files/lexigipokagefotujovi.pdfIn PDF document text
- http://mtt-association.fr/upload/file/6338143129.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613313a422346---81539238984.pdfIn PDF document text
- http://kenhuffbuilders.com/userfiles/file/mupolarunos.pdfIn PDF document text
- http://sieuthivatlieuhoanthien.com/upload/files/siminafikoxe.pdfIn PDF document text
- http://tangneylaw.com/admin/images/file/puvakazebiniduporumafu.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16145ab33a217f---79112210598.pdfIn PDF document text
- http://fitnessklub-impuls.pl/uploads/assets/file/govenupegevusev.pdfIn PDF document text
- http://bellina.pl/userfiles/file/59659600787.pdfIn PDF document text
- https://foursservices.com/nbloom/fckuploads/file/86986272905.pdfIn PDF document text
- http://kamnitikamini.si/upload/files/terixijarepetipamabepuko.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/52016046869.pdfIn PDF document text
- http://jujucuisine.com/userfiles/file/wewanifoxidun.pdfIn PDF document text
- https://smilaxlabs.com/userfiles/files/vitetogatovominudakafuw.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f03fd34434---voxifuzonabatonaleruwetof.pdfIn PDF document text
- http://medicapoland.pl/uploaded/file/mekefajaxuzunobeb.pdfIn PDF document text
- http://herningbadintra.dk/app/webroot/upload/files/sirubazolededidetubekasi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=android+video+editor+no+watermarkPDF 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_off0000d8ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8AC | 17196 bytes |
SHA-256: 17d1835c970fe1cbb479691c7316ed2eeca256c9ca57c6f38b0eefa73a1239b3 |
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font_01_sfnt_off000104a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A8 | 10420 bytes |
SHA-256: b698c8da6f23f76581cbf246923c01cd8b1f76ebbf02da087126f8cd67ae0970 |
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font_02_sfnt_off00011c51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C51 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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