MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS upload directories. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests it is designed to redirect users to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/ljt5ugmc4q7oq0hnp5fqn42cm0/54936056045.pdf In PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8a11e96969---ditemadapon.pdfIn PDF document text
- http://zonweringbelgie.nl/ckfinder/userfiles/files/kavusekozefujafudokil.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160804030e286b---gapileliku.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16085846debd46---jotasomifuxasovisutifu.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/48169708274.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/sanodisemukaw.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079336da61b1---56050678875.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160775a7c08da4---sagitido.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160791a487352a---46257090144.pdfIn PDF document text
- https://gotoko.com/cmsv2/upload/files/popudinowolomugizil.pdfIn PDF document text
- https://ktmcollege.org/public_html/userfiles/file/vulibuzanajamudero.pdfIn PDF document text
- http://resetimpianti.it/reset/public/file/70601030944.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16091277852cb1---pupizogowa.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160bb75038b919---67735646744.pdfIn PDF document text
- http://offerseir.com/basefile/offerseircom/files/5379293833.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/katopabimalufijezivido.pdfIn PDF document text
- http://www.serge-valentin.net/ckfinder/userfiles/files/39176626575.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/geldlp9hsjictqqbb5lrm1l8g3/43795871914.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/nexokof.pdfIn PDF document text
- https://proxus.nl/file/16717547298.pdfIn PDF document text
- https://energooptima.hu/upload/File/naderizerokubuzawe.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b388479d8cd---terenafusulezesawizarugok.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16084897eac3df---tegepikavilufog.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=realtor+logo+pngPDF 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_off0000d710.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD710 | 17236 bytes |
SHA-256: 2dbae39f5fd12dccd32af24c8eca1b938ffc880960287631576bd6db05266d57 |
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font_01_sfnt_off000103e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E2 | 10212 bytes |
SHA-256: ab9ecf32a69b642125053061fea20a81e9495406fd24b1ddef9eb45998e1deba |
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font_02_sfnt_off00011aee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AEE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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