MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations. These links appear to be part of a link farm designed to redirect users to other malicious PDF files, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160f757e5aa3c1---83277931041.pdf In PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/55a1f955d7050da2155377c962258d71/19589988725.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/1451793d1addde37bc4a5b4e5565af76/20153667453.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/e275a8e26a4c7d82c5457727b2de516d/zakufakujiratusizipudo.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf75a577139---mimojupul.pdfIn PDF document text
- http://dioceseofniranam.org/userfiles/file/tivepafujujekebelu.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/41259901309.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b124f651b3e---kifukubu.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610f861176531---94508964071.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a647de9419---63543531151.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ce1cbccdd---67460090838.pdfIn PDF document text
- https://myvideoclasses.com/ci/userfiles/files/sixonuxukobavoxafemudofoj.pdfIn PDF document text
- https://uniqrelation.com/userfiles/file/66386592382.pdfIn PDF document text
- https://przygodanaukrainie.pl/admin/ckfinder/userfiles/files/lebafelakotonarijopelon.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160958b5f25b99---18365975644.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bed471d9b92---gogogamani.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607983466b96e---wapeputupapurimuvo.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/87764364460bb05c8a1368.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e7b04ddd6---27080163692.pdfIn PDF document text
- https://sonarmusic.hu/up_image/file/tovifaxovuvul.pdfIn PDF document text
- http://bestapp4u.com/admin/uploadedfiles/file/8500425397.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/1d4d0d787372cd802111215ea1c38392/84982086746.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/6rd3p4ghk2114aqm9iuv8jvc7a/mewemowuran.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d4ca52ae6---jikalunazodisajivenaluwo.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/nidopodesuwemolilepejezuf.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/e17ec81cddaf44b0db1faeca4c75823a/92519473705.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+calculate+net+fixed+asset+turnover+ratioPDF 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_off0000ef98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF98 | 10812 bytes |
SHA-256: 87eddfcb0ee9aeb122c8e62ee8c6df086aa27d75b5d4e2f6041a8fd8b7e78837 |
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font_01_sfnt_off000108b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120C3 | 16392 bytes |
SHA-256: a0fdce7542ab04af87f5c635428e9440ec02d261d1fe2c17ce998664ba36bd4e |
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