MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV specifically identifying it as 'Pdf.Phishing.Trojan'. The file contains numerous links pointing to compromised WordPress sites and other domains, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious content or phishing sites, leveraging SEO-related terms in some URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
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://catamma.ru/uplcv?utm_term=how+to+bypass+website+download+speed+limit
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/35815bb1181166bca695e8e7b28fa82b/gerega.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/d23270e27abbb2b4b6e55a7820344ff8/38348186413.pdf
- http://mobilesamara.com/img/files/file/83185327434.pdf
- https://khanikango.in/file/79692736270.pdf
- http://www.photonics-science.com/ckfinder/userfiles/files/biraniwokukonojuzuzak.pdf
- https://producedepot.us/userfiles/files/doxolesilekirejati.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/18a46ee0c341f2ecfc4a4e2cc63d3c13/50530029668.pdf
- http://music-summer-courses.eu/upload/files/tibawasejaduperetug.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/b275518ae15025f78250e650faa93b8f/84494638210.pdf
- http://automotiveenergy.cz/userfiles/file/bowivotubinosa.pdf
- http://geologicatoscana.eu/userfiles/files/dapol.pdf
- http://planao.com/ckfinder/userfiles/files/20889387828.pdf
- https://mtmhomeschool.com/mycms/uploadedimages/editorUploadedImages/file/53636176392.pdf
- http://t-p-fortune.com/userfiles/file/mesafaledilofudibomulajol.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608442c7bed1e---wefedazoperojukevaror.pdf
- http://alarcon-v.com/editor_upload_image/file/jatesufuwoximezunune.pdf
- https://madspot.dk/ckfinder/userfiles/files/zomubamuzakipulapudezido.pdf
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/66551a133d465f098c342cf06aad075d/68619710666.pdf
- https://semut73.com/contents//files/nufobize.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/a78mskhu4gm97pvfpduj5ktpji/46638002679.pdf
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/goxituzesubufogerojema.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077785739a06---somazulibizimen.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160761afb45a2b---84757415360.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608274c89a500---32059853044.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1607e81b935730---gewabifewoj.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7cbab4408---25286898028.pdf
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/mogafunasiwikexedonalasa.pdf
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a972edfa9---23125720015.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000110ea.bin496d0a500b7b8ca01b8aba2194bac6264f8ef0ef12880a6efafa1841c538a618 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110EA | 18164 bytes |
font_01_sfnt_off00013f2f.bind2fccc7dd3a783c871458b988458274606c68152f0d7e0dbe2354fefdacb20dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F2F | 10784 bytes |
font_02_sfnt_off000157d0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157D0 | 16792 bytes |
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