MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which host other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or facilitate phishing attacks. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://irlanc.ru/uplcv?utm_term=hex+editor+pro+apk+download PDF link annotation
- http://fence-alarm.com/userfiles/files/kunozosalolatezikokiga.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/63597198561.pdfIn PDF document text
- https://lee-trading.tw/archive/upload/files/33727857288.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/adob9h9j9rggemal1k838lihfr/52309287770.pdfIn PDF document text
- http://2sisaccount.com/userfiles/files/37556096566.pdfIn PDF document text
- https://momentous-inst.com/uploads/image/files/mukezo.pdfIn PDF document text
- http://teplorium.su/userfiles/file/dazamiruserefogikenubobo.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/96215100688.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613f99b283dbc---73562297152.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/28500973202.pdfIn PDF document text
- http://sakem.org/userfiles/files/31330333386.pdfIn PDF document text
- http://smart-ventures.ch/upload/Editor_Images/files/45689803486.pdfIn PDF document text
- http://szjg.hu/images/file/89804569835.pdfIn PDF document text
- http://warmistore.com/userfiles/file/gibilisawiduk.pdfIn PDF document text
- http://needychild.org/ckfinder/userfiles/files/masinabonajepowam.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/7a647c9943e30de942d43af66486057e/82531758840.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613060f896713---zaxolex.pdfIn PDF document text
- https://implantsdentairesdesmoulins.com/upload/editor/file/saburevidetirixi.pdfIn PDF document text
- http://aeusjtu.pretty-match.com/upload/files/21637130376.pdfIn PDF document text
- https://argumentua.com/i/file/zagejanilugekuvabegas.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/ziwodowolelelenaf.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/nugukinorilureviralawizaz.pdfIn PDF document text
- 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_off0000c227.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC227 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA3E | 10488 bytes |
SHA-256: 98bfaa4dec74a03cf06694ec2116c5f0530b90ff01c5047554c2d5c62023af16 |
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font_02_sfnt_off0000f22d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF22D | 19416 bytes |
SHA-256: bf88ff2ba78db0579e9b2546379fdf7e8e027e57bce8db89263f7aea4e0aa46c |
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