MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some of which are hosted on compromised or disposable domains. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://zensushidanapoint.com/uploads/files/15692217637.pdf In PDF document text
- https://kurek-rowery.pl/user_pict/file/95839552685.pdfIn PDF document text
- https://vleek.com/uploads/files/39228310820.pdfIn PDF document text
- https://fotojursa.cz/userfiles/file/12650998704.pdfIn PDF document text
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/vutefomadabetasawo.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/a63e0556b10a26a7f0185da3cb5ae3bd/32937403944.pdfIn PDF document text
- http://trufeel.com/ckeditor/ckfinder/uploadfile/files/83723072108.pdfIn PDF document text
- http://fanti-fitness.pl/uploads/assets/file/bafinivomupuboj.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/lagezosakiwovo.pdfIn PDF document text
- http://diencongnghiepvohoang.com/uploads/files/fipenixoxura.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147b42f68b67---87616884596.pdfIn PDF document text
- http://yenidenyuzlendirme.com/ckfinder/userfiles/files/52883616230.pdfIn PDF document text
- https://egokituz.org/files/galeria/files/paviviberiga.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612eea6e9be1f---kegogunotabatajexu.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/nedapalirisarutod.pdfIn PDF document text
- http://jonme.net/ckupload/files/vemis.pdfIn PDF document text
- https://linardi.ru/files/file/27937293194.pdfIn PDF document text
- https://lifecareproduct.in/ckfinder/userfiles/files/xutufosutonuxivipoverike.pdfIn PDF document text
- http://fanghsin.com/uploads/files/202109141020299970.pdfIn PDF document text
- http://lanaecoloridabruzzo.it/userfiles/file/vujef.pdfIn PDF document text
- http://tourister.kr/userfiles/file/gafixeremolinika.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/ribidoduzikuvapijupupuji.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=vaideology+free+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_off0000cae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAE1 | 10388 bytes |
SHA-256: dc56493e77ad6c094a37483d4885c28ff3f40973f1569c4b1f4303a3d6f02156 |
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font_01_sfnt_off0000e23b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE23B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fa4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA4D | 17896 bytes |
SHA-256: ab8e8354c66b395e406851c71da029ab3ec0079b9c691fdbb89a2b55866e47db |
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