MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://oniceh.ru/uplcv?utm_term=drz400sm+for+sale PDF link annotation
- https://mujeresenmovimientoplus.com/userfiles/file/44942468394.pdfIn PDF document text
- http://fundacionecla.org/resources/original/file/totetivizufopibidu.pdfIn PDF document text
- http://gyndoktors.de/ckfinder/userfiles/files/nirusefolowonugi.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16151f181ca06f---radediliseka.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/bezinirene.pdfIn PDF document text
- https://cometsecurity.in/admin/userfiles/file/sarasunumetafod.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614b30df0c0a7---78798058692.pdfIn PDF document text
- https://evabizz.com/userfiles/file/pegasovez.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354f436cc6a---pirul.pdfIn PDF document text
- http://china-miyaco.com/img/file/202196221148.pdfIn PDF document text
- https://es88.tw/pro_pic/files/sipavuguvogiwefawuf.pdfIn PDF document text
- http://cukrarnakolbaba.eu/obrazky/files/35129667044.pdfIn PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/52345196698.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614b3606c7fe1---42882697739.pdfIn PDF document text
- http://autoscuolapezzano.it/userfiles/files/pazegofoleritat.pdfIn PDF document text
- http://alanaf.ru/userfiles/files/zatepavaxira.pdfIn PDF document text
- https://sainaudit.mn/File/64769354349.pdfIn PDF document text
- http://xn--j1aii.su/userfiles/file/sajizajajudefovunatirad.pdfIn PDF document text
- http://www.seminariomenorvalencia.com/admin/lib/ckfinder/userfiles/files/futipiwulifelotafob.pdfIn PDF document text
- http://dalieuht.com/app/webroot/uploads/files/5411531775.pdfIn PDF document text
- 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_off0000c76a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC76A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF81 | 10344 bytes |
SHA-256: 4c681be57461c7ad49285c48b7272308919030ac989b1c8d22dd6381b76db596 |
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font_02_sfnt_off0000f6f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F1 | 18628 bytes |
SHA-256: 3cec0bd54eca39040c0c8b1f58c8cabe6b5947190486410907adcf25beb9a259 |
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