MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to numerous external URLs, some hosted on compromised CMS uploads. The presence of multiple unknown URLs suggests a distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 6
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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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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://thementalhealthadvocates.org/files/userfiles/file/9021030143.pdf In PDF document text
- https://daulte.ch/ckfinder/userfiles/files/rinerik.pdfIn PDF document text
- http://adidravidar.com/ckfinder/userfiles/files/jojevavaz.pdfIn PDF document text
- https://geniodelweb.com/file/javopasegeziwunugunoper.pdfIn PDF document text
- https://hondaotohaiphong.vn/upload/files/narolodojinefapuzemeku.pdfIn PDF document text
- http://dailythang.com/userfiles/files/5434032976.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ca6713799---37144589702.pdfIn PDF document text
- https://aluvioneschicamocha.sinecsas.com/ckfinder/userfiles/files/zadexave.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/62508469725.pdfIn PDF document text
- https://brincandoeaprendendo.com/fotosempresa/files/pesofudago.pdfIn PDF document text
- http://jtravel.clickis.kr/FileData/ckfinder/files/20210916_596099D0C93D0927.pdfIn PDF document text
- https://baoholaodong24.baohohoanglong.com/userfiles/file/jakaz.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161359019334a2---vafemudusaxazemapoza.pdfIn PDF document text
- http://natpuedu.in/userfiles/file/mogebedibibuvap.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/30275033152.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/db91c9f46fcfbfb005966ac0a7871f5d/73880782626.pdfIn PDF document text
- http://kennycojewelry.com/userfiles/files/202109/1630472692.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/333300701c198a2f496da6bc3b80ae47/ponaxelibabutixirajo.pdfIn PDF document text
- https://panificioilcavaliere.it/userfiles/files/roderefagedatu.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/ff05159ed230c1ed6d3b707ab5372852/13082864930.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/b1fab82efb324dd3675b2915d4d83718/78718219980.pdfIn PDF document text
- https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/linofukolefox.pdfIn PDF document text
- http://canadanur.com/resimler/files/zoliremagixolazo.pdfIn PDF document text
- https://haciendaloscipreses.cl/upload/file/bigumiten.pdfIn PDF document text
- https://csmgh.net/pevron/www/img/file/nawesotovebituwupu.pdfIn PDF document text
- http://thekreativecompany.com/uploaded_files/userfiles/files/wopawizonut.pdfIn PDF document text
- http://jcpingie.be/public/files/26155960544.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+move+photos+to+sd+card+on+android+phonePDF 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_off0000db32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB32 | 17444 bytes |
SHA-256: 98ca3b1f47f56a48f51e5d069e493003dc8ced61864fad5e48eaf2fa1b21a5cc |
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font_01_sfnt_off0001081e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081E | 10876 bytes |
SHA-256: e4dcb8c4495423c4782441d94ab3985d60f45cddac25124427f180e7fcd6e30c |
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font_02_sfnt_off0001211d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1211D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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