MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS uploads, forming a link farm. Heuristics indicate this is a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://www.willmarareachamber.com/ckfinder/userfiles/files/21685685660.pdf In PDF document text
- http://youngshiny.com/userfiles/file/1630575935.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd8ed563e0---zusababekibesuwosekef.pdfIn PDF document text
- https://conexkarvan.com/cache/fck_files/file/gupiwupol.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c55ce98b9---xoxixabevi.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/tafejavikomilipet.pdfIn PDF document text
- https://luatsubienhoa.com/upload/ck/files/denaxazij.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/67811826739.pdfIn PDF document text
- http://sswjeans.com/files/bitijifimajamepodesaxi.pdfIn PDF document text
- http://energyexcess.com/userfiles/file/jegabime.pdfIn PDF document text
- http://kmsenior.org/file/files/fivuxubanigetamasulizejob.pdfIn PDF document text
- https://marblo.marblobaths.ph/app/webroot/img/files/jofufunowuzowimal.pdfIn PDF document text
- https://bushregenerators.info/userfiles/files/3600102197.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/0a957644dd64e13b500e1148f73e75f3/21744716435.pdfIn PDF document text
- http://avtrak.ru/ckfinder/userfiles/files/xuzuxigawevinovukapifimu.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130ca22c2431---97981226924.pdfIn PDF document text
- https://cheesykeju.com/contents/files/dojosodevetaturebu.pdfIn PDF document text
- https://trvstore.com/userfiles/file/35723574060.pdfIn PDF document text
- http://brlairport.com/images/file/4991081054.pdfIn PDF document text
- https://loyd.rs/images/file/77591016951.pdfIn PDF document text
- https://cremyco.com/app/webroot/docs/file/waxiwug.pdfIn PDF document text
- https://wojczak.pl/userfiles/file/75693252674.pdfIn PDF document text
- https://bankubezpieczen.pl/userfiles/file/26682737701.pdfIn PDF document text
- http://atel-j.nl/uploads/files/70023454503.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=moving+lock+screen+wallpaper+androidPDF 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_off0000d6f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF0F | 10828 bytes |
SHA-256: a8f915519d2b00afbd6e3fcecd9222444df16b5a8ddbe7b121181161df681cfc |
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font_02_sfnt_off00010805.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10805 | 17344 bytes |
SHA-256: f2e154681bbc75a4f28574eb78c77a85dbc6110415986005565e74ea1af32ea4 |
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