MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains a large number of embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links aligns with a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://nomylo.ru/uplcv?utm_term=bloom%27s+level+verbs PDF link annotation
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea5cdd554a---81054274879.pdfIn PDF document text
- http://pluimveebeurs.com/userfiles/file/kopoza.pdfIn PDF document text
- https://ylwlgwadmin.ylwl.cn/upload/files/dezabuve.pdfIn PDF document text
- https://at1apigroup3.com/contents/files/difudeletujivewarop.pdfIn PDF document text
- http://tacchigroup.com/public/thread/risorse/file/94093361663.pdfIn PDF document text
- https://dermatologie-chamonix.com/userfiles/file/gofokavovisulumurorax.pdfIn PDF document text
- http://marcth.pl/media/fck/file/pidekanutuwok.pdfIn PDF document text
- https://tecnomatec.cl/upload/file/motolurisagiwerejurilen.pdfIn PDF document text
- https://liftsystems.ro/LiftFiles/file/70544818832.pdfIn PDF document text
- https://artedeeducar.com.br/ckfinder/userfiles/files/60075040312.pdfIn PDF document text
- http://familiegravesen.dk/userfiles/file/dojufilolagoxurewanu.pdfIn PDF document text
- https://queensflower.nl/clientfiles/85482606997.pdfIn PDF document text
- http://irs-messtechnik.at/upload/91953912303.pdfIn PDF document text
- http://achwvs.love-mrt.com/upload/files/19061655718.pdfIn PDF document text
- http://julianina.de/upload/file/31545673579.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd912c5227---wedikixijo.pdfIn PDF document text
- https://gullyracing.it/admin/ckfinder/userfiles/files/42265749841.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1a568f3b9---35768149027.pdfIn PDF document text
- http://eldorautomaticgates.com/UserFiles/file/34754168843.pdfIn PDF document text
- http://bugskin.org/userfiles/file/xewavezujavog.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/9nsl0flgiclj3hcvmroch544e8/97750750654.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc0ff40394---pudalibokumikopane.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_off0000cee5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEE5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e6fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6FC | 10108 bytes |
SHA-256: 02b89856de442e19a150bc87694c96b8db5e1f9745aa62db789835ff4178dfab |
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font_02_sfnt_off0000fda0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA0 | 18012 bytes |
SHA-256: ed7880dceb2da1fedc093284de30e911932509fe5bc9d6d281be25d2092661f0 |
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