MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with multiple URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://jf-orvalho.pt/userfiles/file/12060349073.pdf In PDF document text
- https://twinslock.com/locktactyuma/userfiles/file/nemelete.pdfIn PDF document text
- http://centronegozi.com/public/78378258506.pdfIn PDF document text
- https://proektasis.gr/admin/spaw2/uploads/files/balufutojarukarafi.pdfIn PDF document text
- http://thebodyclubonline.com/userfiles/file/kedebalipifabib.pdfIn PDF document text
- https://debcopharma.com/userfiles/file/walakabutikewadotofi.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/ahmebslsfed3vmv414vtp723ov/45787525437.pdfIn PDF document text
- http://irina-beha.com/ckfinder/userfiles/files/12698429854.pdfIn PDF document text
- http://indyskischool.com/ckfinder/userfiles/files/daregekuzaxa.pdfIn PDF document text
- https://smartstone.ca/userfiles/files/lipusoxesed.pdfIn PDF document text
- http://kubabus.cz/novy-web/upload/file/4263219101.pdfIn PDF document text
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/zarojoj.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383324206d5---26847246319.pdfIn PDF document text
- http://blpest.com/UserFiles/file/pabofawixonemasuw.pdfIn PDF document text
- https://praktijk.zorglink.nl/ckfinder/userfiles/files/xujakera.pdfIn PDF document text
- http://newdimension.su/userfiles/file/bixosejuvikarejelizarug.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee9ddc6a7a---mazorowud.pdfIn PDF document text
- http://dopuskvsro.ru/UserFiles/xagujuzarunad.pdfIn PDF document text
- http://studiopiergentili.it/userfiles/files/7676088175.pdfIn PDF document text
- http://cerritos.songhakbbq.com/uploads/files/14898067929.pdfIn PDF document text
- http://contua.org/userfiles/file/zazomikapatixesiji.pdfIn PDF document text
- https://heart-calligraphy.com/uploads/files/202109070244138645.pdfIn PDF document text
- http://euroear.eu/ckfinder/userfiles/files/72460309368.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/de64fbf5844abd58a32c38013a238cea/gatezoduwutudejovazi.pdfIn PDF document text
- http://studiosantese.eu/userfiles/files/9187610249.pdfIn PDF document text
- http://assytekservizi.com/userfiles/files/sufosasofizitirakud.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=there+is+there+are+some+any+a+an+exercises+pdfPDF 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_off0000bced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d4ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4FF | 16432 bytes |
SHA-256: 155ebe64decd43c3f5b2830e099361559ae078acd748f45f1127216c3e1db38e |
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font_02_sfnt_off0000feec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEEC | 11016 bytes |
SHA-256: f7263f6103c6cd85bf92f40011a7adbe8844d37f77173b44f2aca8b39357fe2c |
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