MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm or SEO poisoning tactic. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://edu-mate.kr/_UploadFile/Images/file/gobojemowomozo.pdf In PDF document text
- https://keluargamimpi2.com/contents/files/kodabexevidap.pdfIn PDF document text
- http://hevolta.com/upload/file/27038529637.pdfIn PDF document text
- http://www.guus.edu.mn/ckfinder/userfiles/files/famumiraj.pdfIn PDF document text
- https://mimpishio.com/contents/files/defevibijidadi.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613513ebe834a---27569430358.pdfIn PDF document text
- https://przyklejki.pl/userfiles/71614156959.pdfIn PDF document text
- https://035620126.tw/upload/greenkitchen/files/47463604268.pdfIn PDF document text
- http://circuitoinsulargc.com/documentos/file/ditizujilapo.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/76464337782.pdfIn PDF document text
- https://gencshoworganizasyon.com/upload/ckfinder/files/34852271792.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/4ae0c34d29b64cbd5b0f0045f2086d53/20264649346.pdfIn PDF document text
- http://df-foundry.net/d/files/39436255240.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141aadee6e4d---jitusevakarupekufolunaga.pdfIn PDF document text
- http://geojeoceanhotel.com/userfiles/file/20210906023104.pdfIn PDF document text
- http://imreelectric.sk/uploads/file/91026279974.pdfIn PDF document text
- http://first-group.kr/ckupload/files/zibakofeba.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/62680006202.pdfIn PDF document text
- https://siam-royal-view.ru/data/files/79633690657.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1612eaabb71833---xabixovinim.pdfIn PDF document text
- https://sarvodayasamaj.uk/upload/files/mogovonumukowanudebo.pdfIn PDF document text
- https://zippy-inc.com/app/webroot/userfiles/files/sunevulivuwidupipot.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+make+app+icons+smaller+on+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_off0000e71b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF32 | 10844 bytes |
SHA-256: 74109484895a233be8b10901201de3a3d3872640eca52d67c1e3ec948469c489 |
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font_02_sfnt_off0001182d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1182D | 18188 bytes |
SHA-256: 1aaf81b7db4e72b16ba9105f354fd85198f95d05b9d30cbc8afbcb4318aace94 |
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