MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, likely a phishing or SEO spam document. Although no scripts were extracted, the presence of numerous external links suggests an attempt to redirect users to malicious or deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/8e444964e8f9188b3bbce00497e1f4ae/sidenewodipejor.pdf In PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/e4iumust7dpte2k571661d49lm/zoxijaxuxuwatedawiwozu.pdfIn PDF document text
- https://vandolderskb.com/images/usr/resamejakekogubevi.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f21ed4f819ab5963be66a652c6d22049/xudigovixodal.pdfIn PDF document text
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/abc61f4b3bb2ab90007a6004c6aebf62/marobagibofelodas.pdfIn PDF document text
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/7efd5ab683e38dffe8986eeb7b5b5968/ruxoregesaxapebexagox.pdfIn PDF document text
- http://didaconcept.com/admin/fckeditor/file/deroguwokilulegibawaki.pdfIn PDF document text
- http://laulumaja.fi/ckfinder/userfiles/files/kudozijajeroxowe.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d340b8f693---zaxazedumidisoxaza.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/n5ssjdugaapu93ib2qiiu20fl4/rowileninamefaxenojodawo.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aea0d72d07---69595599758.pdfIn PDF document text
- http://wallacewilliamsfamilyreunion.net/clients/6/66/662ca4338cd1fa41fa93b88222973dc6/File/dajoresemutorepunib.pdfIn PDF document text
- http://gopherandsquirrelcontrol.com/admin/images/file/zenuji.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a233ce0d7dd---59750988196.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be502965c24---63901370517.pdfIn PDF document text
- http://poultech.net/d/files/gesusoranabutodotiti.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/xikon.pdfIn PDF document text
- http://bisenzia.it/userfiles/files/tesirewepenivalupakulawel.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16093f8e39cb61---bupurojujupedoxezunaweso.pdfIn PDF document text
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d46eb67dcb---76148339353.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606d54906260c---jawibax.pdfIn PDF document text
- https://ctsgroups.asia/images/file/92851667058.pdfIn PDF document text
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/96ff0eb27f88697f33aa0f2778ddd96a/31290962774.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/28c7880c4356aae24f2c24175e7579d3/bedamizusivowibipipipok.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+remove+permanent+marker+from+white+shirtPDF 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_off0000f51f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51F | 10812 bytes |
SHA-256: d437bfce8c687caa2564a440a172a43ed7552b158867cb544a1bcdad38659c18 |
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font_01_sfnt_off00010deb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DEB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000125fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125FD | 16716 bytes |
SHA-256: e342b0f483d29e3d1a0c69aed1b38329ada0eaf9321ec939279da274a5255eb1 |
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