MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to compromised CMS upload directories and disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.hgbehringer.de/img/files/files/risazuluwubewegisodogo.pdf In PDF document text
- http://soc-in.com/data/media/files/libibiralajelowivolevari.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/0acbd17ebee2f8a97369ac92a185fba3/saguvod.pdfIn PDF document text
- http://beautybybelief.com/admin/images/file/286562009.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/77519637498.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/79435bf483fef7c4ee59d89e89b07e38/34062675329.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4cf74db70c---rapoju.pdfIn PDF document text
- http://jaatkinson.com/userimages/56420536124.pdfIn PDF document text
- http://3q1p.com/upload/file/210619220928986377h7jyh1sr3lxi.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160820ed37f214---10944833944.pdfIn PDF document text
- http://ithaca1961.com/clients/875375/File/63219284332.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607befd0e7626---62491893720.pdfIn PDF document text
- https://actorconseil.com/files/file/82280870682.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/6568448118.pdfIn PDF document text
- http://groupkaishan.com/d/files/53830982626.pdfIn PDF document text
- https://www.jaegeraviation.com/ckfinder/userfiles/files/faponamade.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f7cf9e7a35d---44949850532.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/xivadavukivanoreterabo.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c204fcd8e94---reduzagimut.pdfIn PDF document text
- https://edebmachine.com/images/media/files/takupagejege.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/24hlrf34qi8i7futdjhip9kj36/8940173609.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/n7urd9ci903paj9g77uhos1bds/65892291412.pdfIn PDF document text
- http://jaika.in/images/documents/files/tulejaludenakes.pdfIn PDF document text
- http://www.icareonline.net.au/ckfinder/icare/files/jijunozit.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=autodesk+autocad+2015+tutorial+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_off0000e8cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100DD | 16972 bytes |
SHA-256: e5528bdaa34184212d332a8bcf524bc71abbcab032dfcb85b6c69c52a194d0ee |
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font_02_sfnt_off00012ce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CE2 | 11108 bytes |
SHA-256: 40a22b3bc756f93c4f73da8596eb646b11c7df85d44dce42735d67eaa30ae225 |
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