MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links pointing to various websites, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly indicate this is a link farm designed to direct users to potentially malicious content. ClamAV detection and ML classification further support its malicious nature, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133825b204fb---fofibuvaxepedodawugaripem.pdf In PDF document text
- http://bioaec.com/userfiles/files/8690381533.pdfIn PDF document text
- https://hrmconsulting.biz/upload/files/wudunob.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/89281708643.pdfIn PDF document text
- https://sogelec-eng.com/files/ckfinder/files/wenirolegokatetewirajefa.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/ta6l6qk9bu4mevab93ctrv7a6b/69369111559.pdfIn PDF document text
- http://3sdent.com/upload/files/98950100003.pdfIn PDF document text
- http://delfosventures.com/userfiles/files/78980630730.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/fawapolunisorapuxulewi.pdfIn PDF document text
- https://discovercefalu.it/_data/images/file/32263194940.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/tujipexotufodapufaz.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f821c7253---domakogezon.pdfIn PDF document text
- http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/65048606870.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/15393520680.pdfIn PDF document text
- https://kotypsy.pl/ckfinder/userfiles/files/12339116893.pdfIn PDF document text
- https://houstoncoinshow.org/FCKeditor/file/71131096381.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/33557956748.pdfIn PDF document text
- http://thietbimaugiao.vn/Images_upload/files/tesexak.pdfIn PDF document text
- http://ketphatthinh.vn/upload/files/dufofuke.pdfIn PDF document text
- http://ranjitabiswas.com/userfiles/files/9196759539.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/617dae2f681355cb6c585caf7c4b5397/85170228847.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/5ac7a50bee02a47433c2f5519c21a6a6/jejetaxibejukanop.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/15742306536137d0184a807.pdfIn PDF document text
- http://retailcop.ca/files/94248145410.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=pdf+text+to+excelPDF 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_off0000c436.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC436 | 17724 bytes |
SHA-256: 3d85ab98e8d4180d8c82193d2b4c67cbc0df6d1b6fe4b155ef0da6474844be51 |
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font_01_sfnt_off0000f1a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000109bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109BB | 9944 bytes |
SHA-256: cea442574960f9cc404fabad88de3ce527cadfeee71a925b19c8f7d5dad6f7d8 |
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