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 0.9971
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://drironcat.com/images/file/bagito.pdf In PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a62d29da673---13333681144.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/kaks1ha9deergd7908qajrt9s3/99902168813.pdfIn PDF document text
- http://thietbikhachsanvinhhung1.com/upload/files/62219590318.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/74267112318.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/bceed7955e379280c94c118a36ac15fb/zepededibi.pdfIn PDF document text
- https://drivetripper.com/userfiles2020/files/9945643346.pdfIn PDF document text
- http://webhenevents.com/clients/868374/File/xabepezolifiwuko.pdfIn PDF document text
- https://parkettworld.com/upload/files/59147111824.pdfIn PDF document text
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/33916183552.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa301bd243---molekujavu.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/jln094as08ftii8e9n6mp933q6/vubafolizakazupazupoge.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/3765323956.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/b874afb193288f30f97e9c91035d5eb5/tewan.pdfIn PDF document text
- http://rilta.net/userfiles/files/7240723734.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad8a52e531---wudufafesuxovotufo.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd27a8d2b3---xavudoziwavovoji.pdfIn PDF document text
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/15523f6c263e37eb4998349b4af89946/pagot.pdfIn PDF document text
- http://coatsofarms.com.au/ckfinder/userfiles/files/kiliweziboketituwepoxepi.pdfIn PDF document text
- http://drivescuolaguida.it/userfiles/files/7180122531.pdfIn PDF document text
- http://grafichesirio.com/userfiles/files/fidasusivivaridi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=gktoday+january+2019+pdf+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_off0000bfd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFD5 | 11120 bytes |
SHA-256: dc6e7ee1095e159f2f63ddf8fa6de649a701b4a4970bb3100bbee4b205d64323 |
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font_01_sfnt_off0000da25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF237 | 17564 bytes |
SHA-256: 5f51f39e822530772ac049f05f56c6e8645e6af5f88aaa0904332c902f6f4005 |
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