MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. Heuristics indicate it's a link farm on disposable hosting and points to compromised CMS uploads. ClamAV detection and ML classification confirm its malicious nature, likely as a phishing or malware distribution vector.
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 http://purplebyanki-com.bvirani.com/ckfinder/userfiles/files/vupokobowepidubeseji.pdf In PDF document text
- http://cuanhuadanang.vn/uploads/image/files/46998408596.pdfIn PDF document text
- http://opt-russtd.ru/data_center/upload_pictures/file/pemujejudevowafidorusi.pdfIn PDF document text
- http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/1b0d438ea39993a92a2a3d6201a592f7/gojilotitomorefonenuba.pdfIn PDF document text
- https://gencshow.com/upload/ckfinder/files/lisosel.pdfIn PDF document text
- http://www.investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/letufatekelusokem.pdfIn PDF document text
- http://ilyxrace.com/userfiles/files/fimamikir.pdfIn PDF document text
- http://land89.com/ckupload/files/lozovidoxululokabopor.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/a9396d0924b3bef4ae8e89038c5db1ac/58188184563.pdfIn PDF document text
- http://n2nnetworks.com/files/others/96920270154.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbd0a892ef---jaxinesesi.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149e8774ae27---21920001476.pdfIn PDF document text
- http://tecksco.com/upload/files/81355174474.pdfIn PDF document text
- https://ietc-oman.saktoon.com/userfiles/files/litajuvap.pdfIn PDF document text
- http://superazs.ru/images/news/file/42386900245.pdfIn PDF document text
- http://kovacsoltvaskerites.hu/images/file/45479904281.pdfIn PDF document text
- http://erdbau-rauch.at/buwakeruk.pdfIn PDF document text
- https://khonggiansangtao.com/platformecom/img/upload/file/taretolod.pdfIn PDF document text
- http://handinks.com/ckfinder/images_store/files/gaxedovuta.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/22886170764.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/161368184de528---wazapobivawegefotoxus.pdfIn PDF document text
- http://acrclubinversores.com/files/galeria/files/defaxok.pdfIn PDF document text
- http://handinks.com/ckfinder/images_store/files/kerumutiv.pdfIn PDF document text
- https://kitapkaplama.com/upload/ckfinder/files/fepogedaliwelejedegiwati.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=harry+potter+emoji+textPDF 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_off0000b327.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB327 | 14720 bytes |
SHA-256: bee88c24c51f0a7a3d9cdda4b3863726ae9bb66874e9bd8f74616867119d4eef |
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font_01_sfnt_off0000d84d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD84D | 10432 bytes |
SHA-256: 8cf40e6a48607016feb6be11d1b1f8f40ffce07610d11303ff65639f38d82ce6 |
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font_02_sfnt_off0000efea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFEA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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