MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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 https://barcelonacentremedic.cat/files/galeria/files/17510250327.pdf In PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16145e1204a68a---pukipopojezitufajosadidem.pdfIn PDF document text
- http://qkmedica.com/uploads/userfiles/file/95901119570.pdfIn PDF document text
- http://domingo.hu/ckfinder/userfiles/files/dixolibozul.pdfIn PDF document text
- https://dehayemek.net/upload/ckfinder/files/98283512127.pdfIn PDF document text
- http://forumcutuca.com/ckfinder/userfiles/files/gusiluxukurumejipupetu.pdfIn PDF document text
- http://jmyhship.com/uploadfile/files/13153337624.pdfIn PDF document text
- http://www.arborvitae.cz/ckfinder/userfiles/files/xefugovegijunokuzemebuwu.pdfIn PDF document text
- https://oglethorpeclub.org/~oglethor/UserFiles/file/vegejoferolazoli.pdfIn PDF document text
- http://upservice.expert/admin/ckfinder/userfiles/files/50592494736.pdfIn PDF document text
- http://congluc.com/upload/files/mufugobivuparobawoxin.pdfIn PDF document text
- https://mertlakustika.cz/images/pages/file/3531652283.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/26692957615.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148443faa478---pinex.pdfIn PDF document text
- http://hhoasis.org/app/webroot/img/fck/file/97154857026.pdfIn PDF document text
- http://alacarte-husum.de/userfiles/file/piwad.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613711bd1578e---60282944574.pdfIn PDF document text
- http://ehomerealestate.org/images/file/27887527331.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/fivexozizadazolexeg.pdfIn PDF document text
- http://grafitym.kz/files/file/38755849581.pdfIn PDF document text
- https://hkbca.org/UploadFiles/file/20210907180453185.pdfIn PDF document text
- http://propertiesforrent.com/userfiles/file///xusiw.pdfIn PDF document text
- http://karthikeyanjayaram.com/userfiles/file/25339449452.pdfIn PDF document text
- http://appextskihjthj.handysociality.com/upload/files/8782552341.pdfIn PDF document text
- https://kiptep.ru/file/57892136818.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/f5150a54c6ccedd105b41f58f5974a0f/74256310486.pdfIn PDF document text
- http://zekejozsef.eu/FCKfeltoltott/file/45864037719.pdfIn PDF document text
- http://janjoling.com/public/ckfinder/userfiles/files/lolufowizu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=little+women+by+louisa+may+alcott+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_off0000d209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD209 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA1B | 17256 bytes |
SHA-256: 530187ff5ca5eec3fa367bcfeb710cfd8fee64d71e500b871c3e6b6c24e62538 |
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font_02_sfnt_off00011701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11701 | 11080 bytes |
SHA-256: 5c07b706d4253c7eebb0fa74837de81c68a3429afebff063e49808bc89d15754 |
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