MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2dc2a690d---42669121065.pdf In PDF document text
- http://jucal.es/images/file/rofekidirigijovobo.pdfIn PDF document text
- https://samarpanbharat.org/trila/userfiles/file/62390987969.pdfIn PDF document text
- http://rockbond-aac.com/id-admin/fckImages/file/rotilatigatuzutomaxeko.pdfIn PDF document text
- https://marljivo.hr/UserFiles/files/sewuvatiforikitofi.pdfIn PDF document text
- http://teaandtiarasottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/guzidinut.pdfIn PDF document text
- https://joebalogh.ro/imagini_ws/77042787587.pdfIn PDF document text
- https://cahayamimpi1.com/contents//files/10431070449.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612ccbf45fba3---73954080376.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4f7ae3f731---sotesavozunadekefawego.pdfIn PDF document text
- https://associazionedynamica.it/uploads/file/kurabirobebemof.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/39503810539.pdfIn PDF document text
- https://worldcastlive.com/userfiles/file/salesatos.pdfIn PDF document text
- http://mfcwestenkwartier.nl/beta/userfiles/file/2024143477.pdfIn PDF document text
- http://orikon.net/Images_upload/files/kafiwadu.pdfIn PDF document text
- http://lingeriedediva.com/UploadFile/file/2021090318042973499.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/161054cc5c91b8---modixivi.pdfIn PDF document text
- http://msiutilities.biz/documents/jexepigi.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da7b27a7ef---18688591067.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc39b4e015---kofetevezoj.pdfIn PDF document text
- https://soalmatematik.com/userfiles/file/55014653911.pdfIn PDF document text
- http://fotografiafrancescosomma.com/userfiles/files/felomexagusidepuluwazor.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=ibps+clerk+previous+year+question+paper+book+pdf+free+downloadPDF 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_off0000e225.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE225 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA3C | 11308 bytes |
SHA-256: 3f2a00da8ffcb38f8645213a8d32faebc9cea2324b7a7efbf02989beba5074ec |
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font_02_sfnt_off00011498.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11498 | 17964 bytes |
SHA-256: 5a7ceaa67ef61fbfdf286ac889b5b811f9ab2b7d849e6292569627a4ba1d84c0 |
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