MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links, many pointing to potentially compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and link farm heuristics indicates an attempt to lead the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://clinicaveterinariaalbese.eu/userfiles/files/vubun.pdf In PDF document text
- http://rivebistro.net/ckfinder/userfiles/files/66774964361.pdfIn PDF document text
- http://saktigroup.in/uploads/lotidisejotisumupurejow.pdfIn PDF document text
- http://asia-test.informacittadino.net/media/files/23268770327.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161896ded3bf49---53038365704.pdfIn PDF document text
- http://p-energo.ru/content/file/80890840759.pdfIn PDF document text
- http://thekkadyinfo.com/userfiles/file/21158965423.pdfIn PDF document text
- http://anm-av.de/uploads/files/wijafudu.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/dapelipadobi.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/77a5dc26c474e62e5d0a6c9630ea88ea/firujon.pdfIn PDF document text
- https://marosme.ro/hirek/file/8062858182.pdfIn PDF document text
- http://cartopack.be/Images/file/rovusodugoraputiwuvovofa.pdfIn PDF document text
- https://www.blondel-bois.fr/ckfinder/userfiles/files/33757961248.pdfIn PDF document text
- http://golden-candies.ru/webroot/files/files/14599779630.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/eb5d866bd99e8860c7f48500341cf1cf/18225268974.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/00dff2psoucpj2180gi12u9vfl/guvadodopovovurora.pdfIn PDF document text
- http://theprojectmanagement.guru/cote_dor_import/admin/ckfinder/userfiles/files/29946279472.pdfIn PDF document text
- http://fbrasil.com/userfiles/file///lufepojodivivu.pdfIn PDF document text
- http://coachhouse.info/assets/file/larexovuzutifubi.pdfIn PDF document text
- https://shoppingplanet.ro/ckfinder/userfiles/files/rosanizixovevafa.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/5bhJmFgkeCE/uplcv?utm_term=index+of+latest+movies+2020PDF 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_off00009cf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CF8 | 17072 bytes |
SHA-256: 4e5858587c65805e4edce7b21f7f4596195811c1a7a14a751e8ebdfb7b0d89f2 |
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font_01_sfnt_off0000c97f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC97F | 10776 bytes |
SHA-256: 6112ea13b76f05da946b7cde75b647baf69cd54f211381ac6952bfa325b69200 |
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font_02_sfnt_off0000e264.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE264 | 16540 bytes |
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef |
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