MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a phishing or trojan threat. It contains numerous links to external websites, many of which are hosted on disposable or compromised domains, suggesting a link farm or redirection scheme. The presence of 'utm_term' parameters in some URLs further supports the idea of tracking or manipulation for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://zlato-eu.cz/upload/files/zavexerolobidevunap.pdf In PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161354f0a9739d---zopaxigowugufazonitar.pdfIn PDF document text
- http://atmaircenter.com/lb/userfiles/files/pevabadebavawuxajifexuw.pdfIn PDF document text
- http://grupophi.es/uploads/files/vokolaxeperuvaleno.pdfIn PDF document text
- http://modamoda.nl/uploads/pic_lib/file/92881474052.pdfIn PDF document text
- http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/79351266712.pdfIn PDF document text
- http://tiendanatacion.com/noticias/files/wiridu.pdfIn PDF document text
- http://win-sonic.com/ck_imgs/files/85145612910.pdfIn PDF document text
- http://tartak-monis.pl/tartak/images/file/malojafosav.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613130ca19be9---20185890865.pdfIn PDF document text
- https://ecpa.fr/uploaded/file/90187082166.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab2c7baa06---rilisuvuvasojexefejitu.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/73199373920.pdfIn PDF document text
- http://lawyersmarketingusa.com/user_upload_image/file/In PDF document text
- http://konberdbio.com/upload/files/59491849508.pdfIn PDF document text
- https://eltonltd.ru/sites/default/files/uploads/pavatijexirilu.pdfIn PDF document text
- http://scsychem.com/upload/files/50567963458.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a887ef01a0---dimowinotajefafejo.pdfIn PDF document text
- https://venusnvs.com/userfiles/file/99045131210.pdfIn PDF document text
- http://motocams.cz/ckfinder/userfiles/files/98449020820.pdfIn PDF document text
- http://kccmaul.com/files/files/xabevuv.pdfIn PDF document text
- http://dija.lv/public/userfiles/file/rixipunajaxa.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138db5572fee---99266846685.pdfIn PDF document text
- http://puginternational.com/ckfinder/userfiles/files/91948091700.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files/dupororoxe.pdfIn PDF document text
- https://hoavily.com/uploads/files/81653558561.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=francis+in+the+haunted+house+full+moviePDF 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_off0000df66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF66 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f77d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF77D | 10884 bytes |
SHA-256: f08f4a9990ff567ce1cf7d15e2f0e40e2dfd279c06d5edc99b52f564650b3ee6 |
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font_02_sfnt_off0001106e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1106E | 17508 bytes |
SHA-256: b6a95a5a91f6797ee7e56ea9f594d78bd83787d46f01b0c9249b1eea20664296 |
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