MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised websites and potentially disposable hosting. The presence of numerous external URIs, many hosted on WordPress sites with form-upload plugins, suggests an attempt to distribute malicious links or content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16094cc2070f3b---99873658502.pdf In PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb85661aca2---torogawavikebuwel.pdfIn PDF document text
- https://www.shropshirefurniture.co.uk/admin/ckfinder/userfiles/files/68124868438.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/3fbdb248107cf38c42cc75536c8e3876/29484292875.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/161125e57dea42---78806627373.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/54814df9bfc6d109c2c9af531a2f9385/60107756923.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/c4282965f74a63d12245ff6745a84731/19199637135.pdfIn PDF document text
- http://bookblog.kr/data/file//files/3781633377.pdfIn PDF document text
- http://celyroknaterase.sk/editor_uploads/system/files/digazexonowik.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/vib005b53ptl4t94rbrp27nqqt/33409457632.pdfIn PDF document text
- http://24cvety.ru/upload/files/fofazod.pdfIn PDF document text
- https://rpdev.org/ckfinder/userfiles/files/8237242218.pdfIn PDF document text
- http://impressivetravelvietnam.com/upload/files/nexerepinelos.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160fa9e63dc113---91967766216.pdfIn PDF document text
- http://boissee.fr/userfiles/file/talilamujulevojumivanija.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/36809692997.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=what+is+solidworks+flow+simulationPDF 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_off0000d29d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD29D | 10760 bytes |
SHA-256: 41c1c29296e8cbcf2f7f250dbdd60d4c39a6a9df7b09c7d0c5021503403bdbfb |
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font_01_sfnt_off0000eb3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001034d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1034D | 17028 bytes |
SHA-256: fbd560e124643f0b8c7dda133209397a1b0925a6c4ac96f99cc57c5aa895b211 |
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