MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to potentially compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure strongly suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://dalaichau.com/files/powalosen.pdf In PDF document text
- https://alzubidi.com/userfiles/files/85350948910.pdfIn PDF document text
- http://technestudio.eu/userfiles/files/92892685530.pdfIn PDF document text
- http://csc-020.com/userfiles/file/20210807111546_812g53.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/99879214725.pdfIn PDF document text
- http://ingenermarket.ru/userfiles/27725710704.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/629854e742f262e2edfafa4101d0e3ff/xedaja.pdfIn PDF document text
- http://caudafotografia.com/userfiles/files/tigerawejerabanof.pdfIn PDF document text
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/ssv4js2v0f3cmnfv5n8kvokr0v/zovewofotosezawamawinad.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/375d7284d1639c679fbd204d18ba086c/zobumusixosivoko.pdfIn PDF document text
- https://otartufo.com/ckfinder/tartufofiles/files/79342659438.pdfIn PDF document text
- http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/62159500641.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609ea11aef545---nufubinovapax.pdfIn PDF document text
- http://stjconsulting.it/userfiles/files/6632735524.pdfIn PDF document text
- http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070733b595e8---26055721933.pdfIn PDF document text
- http://campbellelectronics.com/uploads/17750293051.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/c67f6089d40fdbaef5bdd15ed348cbb1/sikumo.pdfIn PDF document text
- https://deitratech.com/userfiles/file/86711156950.pdfIn PDF document text
- http://felixefontesadvogados.com.br/ckfinder/userfiles/files/potezezunodogavolofu.pdfIn PDF document text
- http://chpcentre.com/files/file/kutigoro.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a2693194366---podufuna.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=luz+negra+partitura+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_off0000ace8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c4fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4FA | 14872 bytes |
SHA-256: ee93f98fa295a6714941c8453fb4deed201de4b32161087ce8cf99d2aa219bd6 |
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font_02_sfnt_off0000ea60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA60 | 10456 bytes |
SHA-256: 64a81ff890962e699988f819049159d11d18545dfca59e98c62a3a81a774cb06 |
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