MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, directing users to numerous unknown domains, with one URL pointing to a compromised CMS upload. The document's structure and the presence of multiple links suggest an attempt to distribute malicious content or engage in phishing, likely delivered via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://homeopathyhongkong.cn/files/19618627740.pdf In PDF document text
- http://sicilalluminio.it/userfiles/files/99413697976.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/40311524643.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/82017955888.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609f30484ed4d---mumirolofewimawosabikewif.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c25b04287a---27907748423.pdfIn PDF document text
- https://dancleland.com/img/upload/file/gokafupopukadudadu.pdfIn PDF document text
- http://sehs67.com/clients/e/e0/e078d4d0076166a7bb489ca3b3a583ab/File/19314299613.pdfIn PDF document text
- http://zap-interactive.com/uploads/files/pajagopewaf.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ef04e6484---gokolutevivafig.pdfIn PDF document text
- https://sofanet.ro/ckfinder/userfiles/files/99132321588.pdfIn PDF document text
- http://upperdublin1970.com/clients/3/3b/3b2fb281f4756d03d37a29c41a8c1d95/File/29306643392.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160806b7b2145d---nozavexigekerolemasef.pdfIn PDF document text
- http://beachfirebrands.com/userfiles/file/jabomotedoved.pdfIn PDF document text
- https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/kieo0ffl6ess9sgtdk5p2e1omh/57740002529.pdfIn PDF document text
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c3713861b---74966998858.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/woberezuxozudiwoji.pdfIn PDF document text
- https://mama-light.net/business_school/uploads/file/fizatelomamomamedubagifi.pdfIn PDF document text
- https://bushregenerators.info/userfiles/files/25496427301.pdfIn PDF document text
- http://mayinluatudong.com/uploads/userfiles/file/fetanodukulukojiriluvug.pdfIn PDF document text
- http://amblesidewindermere.ca/fckuploads/images/file/kunavetevubuzawuxux.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee298822299---dejaboleti.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=constitutional+law+exam+answersPDF 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_off0000f7c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010fda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FDA | 10588 bytes |
SHA-256: 2a609a67bfdd19a98326fc57a1acfa4114fc3a51d1be76517e06db33adccb2fd |
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font_02_sfnt_off00012827.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12827 | 17208 bytes |
SHA-256: 951c6d81f305fa4d2cd26f519c8e104badbf86e0115189d3e7dbe27b9a20f9d9 |
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