MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating a high likelihood of malicious intent. Several heuristics point to the document acting as a link farm, directing users to various external websites, some of which are hosted on compromised CMS uploads. The presence of numerous unknown URLs further supports this, suggesting a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://cncostruzioni.com/userfiles/file/kifuredevokema.pdf In PDF document text
- http://redondoclassicburger.com/uploads/files/14446354005.pdfIn PDF document text
- http://hebammenglueck.de/ckfinder/userfiles/files/52912516904.pdfIn PDF document text
- https://ahirealty.in/admin/userfiles/files/juvavowilopitazuvakez.pdfIn PDF document text
- http://crocepadrekolbe.it/userfiles/files/82532774628.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613983587b523---62243036353.pdfIn PDF document text
- http://saikunghouse.hk/userfiles/gurabijovapabovuvatozow.pdfIn PDF document text
- https://icnj.net/ckeditor/ckfinder/userfiles/files/98186225310.pdfIn PDF document text
- http://mya1fc.com/files/ckuploads/files/xasizawininepizixase.pdfIn PDF document text
- http://netinflux.net/userfiles/file/69505134624.pdfIn PDF document text
- https://bushregenerators.info/userfiles/files/gosujupagelokugazoxemoped.pdfIn PDF document text
- http://lagrupacio.cat/file/lenigabajusapajoliza.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614349e30973e---tatosivopev.pdfIn PDF document text
- http://messtores.ca/fck_user_files/file/voxanemofol.pdfIn PDF document text
- http://bestapp4u.com/admin/uploadedfiles/file/19263329754.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/tiwuxulipo.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147e9e1d259c---54530278566.pdfIn PDF document text
- http://jessie.vn/images/ckeditor/files/92497091655.pdfIn PDF document text
- https://ymvii.com/admin/upload/files/32080912057.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd28bb60f7---98746919920.pdfIn PDF document text
- http://jikaramen.com/uploads/files/datujosutelexuzodefufewo.pdfIn PDF document text
- http://www.uc-kushiro.net/images/library/File/78744680733.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=watch+mamma+mia+here+we+go+againPDF 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_off0000dcba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCBA | 10540 bytes |
SHA-256: d7ee33d88282d8a3e293749143d3f74c8528c40d6738c1521472e42fb3ff112d |
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font_01_sfnt_off0000f4a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4A1 | 17220 bytes |
SHA-256: 7928efba0fcce73ce20c9414f385748afc93a41a6e640fcc045b3963144bb85a |
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font_02_sfnt_off00012166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12166 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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