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 0.9990
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 https://smidgel.ru/uplcv?utm_term=pokemon+diamond+gba+zip+free+download PDF link annotation
- https://chp-travel.ir/data/file/wanuroze.pdfIn PDF document text
- https://0a3exp.com/upfiles/editor/files/vujibig.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/m2t6soi8mct93r5f8des7uekh6/36179802805.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160be5f1dd4f97---3594320867.pdfIn PDF document text
- http://jumpstart.mobi/ckfinder/userfiles/files/nisim.pdfIn PDF document text
- https://aspirans.com/files/file/linabodewinizinax.pdfIn PDF document text
- http://walker-doss.com/clients/4/45/450b4a4af5ff3f13851793278d9c7ef8/File/170872509.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/1b61b4c2c0387ade70ec6afd881ac142/13879399348.pdfIn PDF document text
- http://kfnmdg.com/upfolder/e/files/20210730045431.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/ba5d699aee401fbe8ebcab966d8667c2/fodepiw.pdfIn PDF document text
- http://biznesfishki.ru/files/userfiles/files/51505338554.pdfIn PDF document text
- https://marlin-aquarium.ru/ckfinder/userfiles/files/53038682185.pdfIn PDF document text
- http://praconsulgroup.ru/pict/file/narujew.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d55091e4ef---kamixikibag.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/8e2d8694db6d40d44ba9ed08aab4b202/limibela.pdfIn PDF document text
- https://pointvirgule.ca/upload/editor/file/nekeragivoz.pdfIn PDF document text
- http://innotec-industrie.be/userfiles/file/muvibipusekoxakugelubim.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/r1jl4jp8fnntrb519mscakn0dd/busokat.pdfIn PDF document text
- http://fotostudiovaccari.it/userfiles/files/razaxexeremano.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160aed20f6e6fc---51000794466.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/dfu10mf5t8bkid9tcsa90ihht5/10330330486.pdfIn PDF document text
- http://tivatijapan.com/uploads/userfiles/file/rapugadukavofebojopumabi.pdfIn PDF document text
- http://agendaalzheimer.org/files/galeria/files/39300759442.pdfIn PDF document text
- https://ekselantechnology.solutions/ckfinder/userfiles/files/47733186071.pdfIn PDF document text
- http://biomassasia.net/data_ed/userfiles/file/54568189484.pdfIn PDF document text
- http://sln.cloudz.pw/download?file=pokemon+diamond+pearl+In 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_off0000f05c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF05C | 17400 bytes |
SHA-256: 1d8735ff0c49cecd47bf37b33c01f135867d76bcf908124c033bbf6c145ec1ca |
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font_01_sfnt_off00011da2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DA2 | 10952 bytes |
SHA-256: a964d711921e1395d29a3ed62c47f89189d31b37ace97c9fc8ece6ed6aeb85c5 |
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font_02_sfnt_off000136a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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