MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the PDF containing a link farm hosted on compromised WordPress sites, directing users to potentially malicious PDF files. The presence of numerous unknown URLs suggests a broad distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e065463b1---kepizibunegagotojasosif.pdf In PDF document text
- http://89928386.com/uploads/files/202109021052007005.pdfIn PDF document text
- http://ahchala.com/img/file/45865641625.pdfIn PDF document text
- http://drxzhang.com/userfiles/file/38428566698.pdfIn PDF document text
- http://www.mmalappeenranta.com/tiedostot/files/jobajozujozap.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16135ca4f7f419---52454631740.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f159a08230---kimuto.pdfIn PDF document text
- https://interstudy.net/userfiles/file/dakilox.pdfIn PDF document text
- https://baobiachau.com/luutru/files/24810044555.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/pobuwatejamorem.pdfIn PDF document text
- http://thaicockstar.com/ckfinder/userfiles/files/towuweti.pdfIn PDF document text
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/68676836141.pdfIn PDF document text
- http://hc6999.com/userfiles/files/rabukepetepoluregewiku.pdfIn PDF document text
- http://clear-es.net/yamituki-n/uploads/files/50457540246.pdfIn PDF document text
- http://tfh-filter.hu/_user/file/xotubowilogojafuretalaw.pdfIn PDF document text
- http://lica-mpt.it/userfiles/files/lofokutubuvejumajusubise.pdfIn PDF document text
- http://agppi99.pretty-match.com/upload/files/18476825315.pdfIn PDF document text
- http://conelser.hu/fck_uploads/file/66094668392.pdfIn PDF document text
- https://elmawadah.com/userfiles/file/38646097813.pdfIn PDF document text
- https://used-machinetools.ro/app/webroot/files/userfiles/files/totewabaletiboruxajilopop.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132ae5349280---zujaxilekubu.pdfIn PDF document text
- http://whuntex.info/userfiles/file/nonofuzonefudodurejo.pdfIn PDF document text
- http://universalestetic.com/userfiles/file/jobitujibefisoku.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/40791256660.pdfIn PDF document text
- https://basisnomor.com/contents/files/9932544803.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=the+last+jedi+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_off0000beb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEB4 | 17264 bytes |
SHA-256: 62e279d49ac7f2e26f55c7e667c40f969019f74370fb347f28ffacef73007553 |
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font_01_sfnt_off0000eb38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB38 | 10364 bytes |
SHA-256: a7f3500c9d43b26e37c242ff4b91b89c9676aa50c3530dfb2277a49c55365ca4 |
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font_02_sfnt_off000102b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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