MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to potentially harmful content. The presence of these links and the overall structure strongly suggest a phishing or SEO manipulation attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://equinox-e.com/upload/files/24301513784.pdf In PDF document text
- http://thoitrangvabaoho.com/Images_upload/files/wanotireziwobirezevu.pdfIn PDF document text
- http://cukierniabrzezinski.pl/www/artizam/fck/file/21819183521.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/fee4315a0d9c7d5ff55fa0774557fd61/65197431196.pdfIn PDF document text
- https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/29e87b71d50ff2546a1ed533019fed1f.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/07945eeb77e653ae0d6ca2af63ba393a/xabet.pdfIn PDF document text
- https://sowlindia.com/userfiles/file/89431210726.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/fomamonu.pdfIn PDF document text
- https://artinterior.bg/userfiles/file/repubateb.pdfIn PDF document text
- https://calendarsunrooms.com/userfiles/files/95138492004.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/sogon.pdfIn PDF document text
- https://wittnebel.dk/file/46654814826.pdfIn PDF document text
- http://vititanon.com/user_img/files/16357484276.pdfIn PDF document text
- https://cakenflowersonline.com/userfiles/file/siwofalol.pdfIn PDF document text
- https://barcelona-health.com/files/galeria/files/84864280426.pdfIn PDF document text
- https://actorconseil.com/files/file/foruvanirilexar.pdfIn PDF document text
- http://hotechike.com/files/files/faxamojuzuputuwafazama.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca8a1b0159---kaduwofijagagoz.pdfIn PDF document text
- https://abcelectricalonlineshop.brilliantwebtech.com/userfiles/files/99227460247.pdfIn PDF document text
- http://irodaszer.lukinserv.hu/file/sedebalivoruwisevikezevoz.pdfIn PDF document text
- https://pass-eco-energies.com/ckfinder/userfiles/files/losufisebuvemi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+flip+scanned+pdfPDF 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_off0000d2ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eac4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC4 | 10592 bytes |
SHA-256: 4bea8396827d8a0e76e9d71e4b859a53845f47dfa3fd8a89e0a762050bf9a794 |
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font_02_sfnt_off0001031b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1031B | 17636 bytes |
SHA-256: eaf4c399b6c8f11306044132e890398df04d3eb18e1ef5832b93ef4ef8e18680 |
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