MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which point to external sites, including those hosted on compromised WordPress installations. The structure suggests a link farm designed to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://chatham-ebenezer.ckdomain.com/uploads/userfiles/files/1701372653.pdf In PDF document text
- http://aviafond.ru/userfiles/file/bivezebepemed.pdfIn PDF document text
- http://chi-kara.net/userfiles/file/88968815731.pdfIn PDF document text
- https://dianthusindustrial.com/resimler/files/wutifotomidaj.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac6f5b7da3---fakosuginimovij.pdfIn PDF document text
- https://vietrocknet.org/app/webroot/img/files/pixozof.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316226d3657---76290808790.pdfIn PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/6926844794.pdfIn PDF document text
- https://sunpower.lv/ckfinder/userfiles/files/82516111536.pdfIn PDF document text
- http://www.rupankar.com/fckimages/file/80709684959.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161399bd5944a2---69144940192.pdfIn PDF document text
- https://dintek.eu/uploads/file/44805786162.pdfIn PDF document text
- http://sm.ac.th/ckfinder/userfiles/files/kebutije.pdfIn PDF document text
- http://skupka23.ru/upload/m/lakiputemo.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/wutotikusumaxuderiduxodol.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613337a0e699a---32005145882.pdfIn PDF document text
- http://okvin.org/userfiles/file/66337436472.pdfIn PDF document text
- https://verandapattaya.com/userfiles/files/4960348719.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/povalagudefaku.pdfIn PDF document text
- http://sdtrafficticketlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zumefasivalawubugaj.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/63359935753.pdfIn PDF document text
- http://chandravanshi.com/userfiles/file/pogosa.pdfIn PDF document text
- http://huarui-bio.com/upload/files/68255598457.pdfIn PDF document text
- http://capmar.eu/userfiles/file/jolomidel.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=diccionario+espa%C3%B1ol+aleman+pdfPDF link annotation
- http://irodori.kir.jp/files/file/vomokinokevegikoxumok.pdfIn PDF document text
- 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_off0000d3af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3AF | 20300 bytes |
SHA-256: 5031f82f968b9638a12a9694fb70c866b913035bd37119a402dda2acb9759dfa |
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font_01_sfnt_off00010774.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10774 | 10888 bytes |
SHA-256: 03c19cfebc718429c1b566801380058a752d5cc47558625a0b32a5cbcaed836a |
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font_02_sfnt_off00012053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12053 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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