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 0.9978
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://narnivet.com/userfiles/files/povesewexanex.pdf In PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb44a12630---difezetako.pdfIn PDF document text
- http://isotech.si/uporabnik/file/daluxutagofibomorosu.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/0d3c5ca306128ae2d99982e21a069ec0/53647549293.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbd56ad106---25043548014.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/buipfk1jrjr50lp2igdan8lnim/14906867809.pdfIn PDF document text
- https://gannat-ltd.com/userfiles/file/64529732019.pdfIn PDF document text
- https://hideab.se/tc/Mediagalleri/file/dubekezumexorupudeve.pdfIn PDF document text
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/e0pnqmtcbhuel918or5l4i5ef7/18753067875.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9fb63c8e2---67894004358.pdfIn PDF document text
- https://impeka.lt/components/com_mijoshop/opencart/image/data/files/2208012089.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/b2p74p47n0s9abbmpnv0di3hgp/bijenugugovep.pdfIn PDF document text
- https://willmarareachamber.com/ckfinder/userfiles/files/36599944275.pdfIn PDF document text
- http://tydafa.com/dafa/uploadfiles/20210617112622.pdfIn PDF document text
- http://roanfamily.net/clients/0/01/01b24a6c100194bbc8678883f3cd4a53/File/zakerakezepesenoji.pdfIn PDF document text
- http://bbdecontra.com/userfiles/files/47179359118.pdfIn PDF document text
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/5d7c07e6270d7cc0c4e35c98f2ef8546/26339192011.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160963bf500078---79149196156.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/noj2m2s9sqd3euqg0q3lqufbj6/segedunemugefodigomadof.pdfIn PDF document text
- https://mallncart.com/userfiles/files/vuxeluligataxizizadaz.pdfIn PDF document text
- http://doanekeyes.com/userfiles/docs/94463429434.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16078f3b920f80---57236576467.pdfIn PDF document text
- http://ytovietnam.net/ckfinder/userfiles/files/zapelebuwajuxaboxo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=free+ebook+download+pdf+illegalPDF 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_off0000d213.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD213 | 10700 bytes |
SHA-256: b809f51e3631e696c9e847580a2ed6962b423d480cfae112c3b2b18545c4c33b |
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font_01_sfnt_off0000ea47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA47 | 17080 bytes |
SHA-256: d4e8693ab6384c8ace437e5d95ba12017a6f21ab58ab4be235655da8433eca8d |
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font_02_sfnt_off000115ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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