MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document functions as a link farm, containing numerous URLs pointing to compromised CMS upload storage and disposable hosting domains. These links are likely intended to redirect users to malicious content or phishing sites, constituting a spearphishing attachment attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://cokhilegia.com/upload/files/87889937135.pdf In PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/80f293267b2ed1b66d6e97df56a71057/lovulaweduwibu.pdfIn PDF document text
- https://emtracing.net/userfiles/file/rojedoduxosewabofu.pdfIn PDF document text
- https://marmetal.cevhertemizlik.com/userfiles/files/12998679166.pdfIn PDF document text
- http://k3projekt.pl/uploads/userfiles/files/jabipanexulenovevulanopij.pdfIn PDF document text
- http://emploi.nat.tn/ckeditor/ckfinder/userfiles/files/65903423497.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/f9faf727d79b6e263f803a89fb537b50/tevovi.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/mu2et210520r3ujr3dargo9oe0/mexan.pdfIn PDF document text
- http://hanilkwanla.com/uploads/files/64381302363.pdfIn PDF document text
- http://metafelix.it/userfiles/files/megojatepezifapafid.pdfIn PDF document text
- https://ofcourselc.com/admin/uploadsfile/42105254955.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c05fe0383d---vezafeve.pdfIn PDF document text
- https://telenovella-bg.com/files/zofazisofitonawurepe.pdfIn PDF document text
- http://buyo-g.net/userfiles/file/39730969285.pdfIn PDF document text
- http://klgd.spokoino.ru/i/upload/files/34392603616.pdfIn PDF document text
- http://otvorene-srdce.sk/userfiles/file/69102880440.pdfIn PDF document text
- https://hattshopping.com/admin/assets/images/ckfiles/pemitujamune.pdfIn PDF document text
- http://printrun.nl/userfiles/files/dubeginobaniwuwivovulesi.pdfIn PDF document text
- https://gobelsprofil.com/upload/files/21160380582.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/16136546a0510e---fowon.pdfIn PDF document text
- http://orderleesushi.com/uploads/files/80471978484.pdfIn PDF document text
- http://kleinschadenexpert.com/userfiles/file/21170832283.pdfIn PDF document text
- http://borneneskontor-landsforening.dk/userfiles/file/84047575040.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=watch+rick+and+morty+season+5+episode+1PDF 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_off0000d481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD481 | 18784 bytes |
SHA-256: ae581f808e9826cdd34cc7005f195f42e9c22164dc8a311799eb44e763e67486 |
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font_01_sfnt_off00010454.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10454 | 11120 bytes |
SHA-256: 1672b9638954597adc2d9300493fbae09db905ee16192e33183cef65383aa71b |
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font_02_sfnt_off00011e40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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