MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm with numerous URLs pointing to potentially compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs and the overall structure of the PDF point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://tms-operation.com/upload/files/nuvotisegorosi.pdf In PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a58f2a189c---tesudamixori.pdfIn PDF document text
- http://hoaisonland.vn/upload/files/vevegaliwejolimilaso.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/33b618f67305e7848480cc4d80fb16ee/67212164295.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3005eac8f---74978951004.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc8d72beed---8148570056.pdfIn PDF document text
- http://abc-tel.ru/data/File/mekijexexomepisi.pdfIn PDF document text
- https://liniagdanskzydowo.pl/files/revow.pdfIn PDF document text
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/19006098347.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/xezegonemakexulaxedi.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/ebca68048932fa566d9bc43d7c193068/wutekeb.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b34b556c1a1---mijubalukekibanolazev.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a84a562fe0f---kafimu.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/eutvpqd8fhm8il74ah5qita63m/93189988865.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/b16ee244848f7715cd3d03899e71a05e/towidawoxusoxosetifuloruz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+add+a+tick+to+a+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6E | 4960 bytes |
SHA-256: 082466fd80224aa570d8c6f5ef8d01c808d9684b51cd951648ea17a44bb101ea |
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font_01_sfnt_off0000fd7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD7E | 11268 bytes |
SHA-256: 510da844c5fefb776133664318b5cc829c28489bb0c038c298ddf32d548cb047 |
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