MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute traffic or host malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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 https://vieclamday.com/userfiles/file/75655391556.pdf In PDF document text
- http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/ledinojuxijowojufatafamin.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/161365a0c54ce2---piwobenapanerovikimupa.pdfIn PDF document text
- https://netlandschool.cl/files/46583633091.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/a1a231ca9bd076763a3a29945bfe8b69/7762366437.pdfIn PDF document text
- https://yesilkoyluleriz.biz/resimler/files/gekejefolakikebovok.pdfIn PDF document text
- https://sdudyogtechnologies.in/ckfinder/userfiles/files/ritapu.pdfIn PDF document text
- http://esoftland.com/userfiles/file/2760850915.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/liwulezafudetire.pdfIn PDF document text
- http://suaups.net/userfiles/file/vomidagi.pdfIn PDF document text
- https://pensiuneavalentina.ro/app/webroot/file/5749389911.pdfIn PDF document text
- http://positiveforce.in/uploads/files/vasozixivojawuxulewofuki.pdfIn PDF document text
- https://bhsbeacon.com/FCKeditor/file/4320136499.pdfIn PDF document text
- https://www.greenlakecruises.com/ckfinder/userfiles/files/1142613604.pdfIn PDF document text
- http://gzcil.com/uploadfile/files/gelugezutidijomidabesav.pdfIn PDF document text
- http://mrspk.com/ckfinder/userfiles/files/63932023527.pdfIn PDF document text
- https://darkoyunpin.com/calisma2/files/uploads/33358655747.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/29788171477.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16134db5d301f5---tikizevaburotoketilu.pdfIn PDF document text
- http://dieutrimun.myphamkangnam.vn/webroot/img/files/9129098523.pdfIn PDF document text
- http://elazentrale.de/images/uploaded/file/55204319019.pdfIn PDF document text
- http://9275522-travel.com/userfiles/file/51881758867.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/72704097356.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lbrljren9v2ljm6ch5n14gda80/dimazuj.pdfIn PDF document text
- http://profil-metall.de/content/uploads/file/15553772173.pdfIn PDF document text
- http://xn--80ab1a9a.xn--p1ai/sadm_files/53107603866.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=broken+roblox+idPDF 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_off0000b8c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8C9 | 16056 bytes |
SHA-256: 83a20b793d763f1f800f69844382f375b82689504eacb74485e7085a3bf8d4d8 |
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font_01_sfnt_off0000e1e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9FA | 10200 bytes |
SHA-256: 9ce34dfa44412a7c0cfafeb103386accc4ca2ad792442e86e24b98728c8a910e |
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