MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The PDF structure and link farm behavior are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://atpl.aero/ckfinder/userfiles/files/pejasalozowapejumuwogese.pdf In PDF document text
- https://fajanav.com/aym_image/files/15576487851.pdfIn PDF document text
- https://a1-recruitment.fr/v2011/Files/fck_upload/file/dupikovulog.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ac8d6ed48---wegotivijitijoweb.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ab8a8fc67---89205656934.pdfIn PDF document text
- http://tevukasveza.lt/ckfinder/userfiles/files/28139940672.pdfIn PDF document text
- http://qianlong99.org/ckfinder/userfiles/files/zeruvago.pdfIn PDF document text
- http://keifo.ru/ckfinder/userfiles/files/5867807446.pdfIn PDF document text
- http://www.jucadent.es/ckfinder/userfiles/files/jeguvada.pdfIn PDF document text
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/7082165099.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/dudozuvofe.pdfIn PDF document text
- https://barrierball.cl/ckfinder/userfiles/files/kaleduwaf.pdfIn PDF document text
- http://hnc2.com/userfiles/file/jugiromenuku.pdfIn PDF document text
- http://mstreatmentadvances.com/userfiles/files/lamozoparurevibija.pdfIn PDF document text
- https://northwestconvention.cz/data/files/24334794062.pdfIn PDF document text
- http://kietminhrivet.com/upload/files/ludoxotarifawobegil.pdfIn PDF document text
- http://eternoohydro.com/d/files/xobujapevi.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb3a790eab---sinenipigisugiduxikuzevu.pdfIn PDF document text
- https://ourcampuswindow.com/ckfinder/userfiles/files/3920401383.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/48562684129.pdfIn PDF document text
- http://35ju.21tg.cn/uploadfile/ckeditor/files/18640264805.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/o76if5g8iis4cjvjfaljqmcddv/dobijukiwirijudulad.pdfIn PDF document text
- https://pensionradvanice.cz/res/file/61957843789.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=best+android+photo+effect+appsPDF 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_off0000fb1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB1A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001132c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1132C | 17452 bytes |
SHA-256: 3f6d3b0dca299d7dd6723606f6109b1687baac21a87488ffe67a7565ad7dd4b1 |
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font_02_sfnt_off0001406c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1406C | 10724 bytes |
SHA-256: 1011ce3f4c0d0157711953a5b6118fcb42057a334b5309fc4e852ab7c7d1c1d4 |
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