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 compromised websites or are part of a link farm designed to obscure the true destination. Heuristics indicate these links are used to direct users to potentially malicious content, aligning with a phishing or malware distribution attack pattern. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://xprchemical.com/upload/files/vukumipajonije.pdf In PDF document text
- http://gartenstadt-apotheke.com/userfiles/file/pekasigudoferetutorofo.pdfIn PDF document text
- http://oprandi.it/userfiles/files/xekenekis.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/cucqsqgov936kp7e0bda8q4qc5/wivolirub.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/natogup.pdfIn PDF document text
- https://s-h.cc/uploads/files/202109031934236903.pdfIn PDF document text
- https://alley.52886.tw/uploads/files/64779323680.pdfIn PDF document text
- https://nhahangbienhaitien.com/uploads/files/welafenikolupa.pdfIn PDF document text
- http://pyramidplaster.com/file_media/file_image/file/70065912258.pdfIn PDF document text
- https://optimustelecoms.com/ckfinder/userfiles/files/67323078411.pdfIn PDF document text
- http://www.elmundodelapiscina.com/ckfinder/userfiles/files/virog.pdfIn PDF document text
- http://horvathortho.hu/tmp/68484052396.pdfIn PDF document text
- http://master-br.ru/img/file/15990044621.pdfIn PDF document text
- http://go-pxl.com/uploads/files/92922135538.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/17881990528.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/korixufako.pdfIn PDF document text
- http://dobre-jaja.com/Upload/file/64785215115.pdfIn PDF document text
- https://www.idd.no/ckfinder/userfiles/files/pukinorofowitamapiw.pdfIn PDF document text
- https://xosobacninh.vn/webroot/img/files/61006932426.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/ddf74412446dca2affce421bcf703cd7/zudunedusaxejozow.pdfIn PDF document text
- http://gitishahjahanpur.org/ckfinder/userfiles/files/68990233924.pdfIn PDF document text
- http://cc-loges.com/uploads/file/41306935685.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5683e7033---nakovozorewowunagit.pdfIn PDF document text
- https://cam-ceeds.org/ckfinder/userfiles/files/puripef.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16149e6dcae529---11075821175.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/78705386855.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=pubg+apk+for+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_off0000b3b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBC6 | 15156 bytes |
SHA-256: bfd3dea2a4ff59cc8db9cea1eaafa4010f07459cf62480cf6aeb8c37683dc6ea |
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font_02_sfnt_off0000f25f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF25F | 10560 bytes |
SHA-256: 5e08e9ab55d56886f65a2727f295d79e9c4644bad42f87b5f4c7ce6129b669af |
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