MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution campaign. The presence of external URI links and the overall structure point towards an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9868
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://crabandclaw.com/uploads/files/21037447408.pdf In PDF document text
- https://goodline.by/userfiles/file/69722800328.pdfIn PDF document text
- http://luberoff.com/userfiles/file/84461511978.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/595149d1891bf7a7fbdad8cd4ff359af/86503470661.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160af3af2b09e0---94690360481.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607c34cb51109---dumisuno.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/c29cf58100a4576f13adea923358d1dc/64496627282.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/iirgp2g1ss4j8tcpop23fh3ir3/28776348997.pdfIn PDF document text
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/6f418c1e87ead38d76121ea88c4507fd/losul.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/remmu4etf7lvvie4p07f48jpn3/jalunozupeli.pdfIn PDF document text
- https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/c7963665a00254fbe626756562404126/zelinoleneravem.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/kodasimeliri.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/mljiju9j452n2n3f2d36cr6sav/7695649289.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ac220e108---83381558777.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca8bf50a18---kubisoxatugijusu.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/lp36h15atg4nrcichqfubq11d7/75177945761.pdfIn PDF document text
- https://menu2uplus.com/images/file/mivave.pdfIn PDF document text
- https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/84a2d980656a8230082f030717de3aa0/doloxaxizoruka.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160853acb70346---kimawa.pdfIn PDF document text
- https://airbays.com/userfiles/file/20488776834.pdfIn PDF document text
- http://richardarnoldalumni.com/clients/a/ad/ad1dcfa6f69ac51e3fe6bec18f6cf6d6/File/fosezenadow.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/7e56cf576a850106fb6b701a58658b1a/7087277409.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/b67f318669204820b1f67c41a2e87faa/90580779581.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/3d287a95f17a2a21c32ffd296ae09eac/kumenukimizawadozoninenog.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=the+chinese+captainPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF62 | 34332 bytes |
SHA-256: 3b28ae4cfd71d0582e86818675b1df1e92dbdc90ad4ca235a124b8705641f193 |
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font_01_sfnt_off00014c99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000164ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x164AB | 17992 bytes |
SHA-256: 7c82f0637bd138d781497ead4ed3fe87cc6794665dc02970fbd0eeaa8ec7bbb5 |
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font_03_sfnt_off000193b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x193B4 | 10168 bytes |
SHA-256: cca0e5261dbc2484774c13cee6c9dd074b21351770eea3211c57c869c813862e |
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