MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a link farm pointing to multiple compromised websites, indicating a malicious intent to redirect users. ClamAV and ML classifiers confirm its malicious nature, likely as a phishing or malware distribution vector. The embedded JavaScript is likely used to facilitate the redirection or exploit vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://calmoinc.com/upload/editor/file/xesisigoruralosiko.pdf In PDF document text
- http://ldbell1965.net/clients/85689/File/73513292254.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/jizisotetebizuwaw.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3868edc69---85462659018.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9494e09966---fefozamobemogewilepe.pdfIn PDF document text
- http://illinoislivestock.org/userfiles/file/67791710059.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/c9c47f2033f525c4131945c1dd0f4985/nokinon.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/tomazibezokasapapibi.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c5db2fca8---45112707670.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a71c7828ed2---zalinixitukelekatibadupi.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f756b63794---fuvovanakiwopupimoguxapeg.pdfIn PDF document text
- http://tpdw.pl/userfiles/file/zekisase.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16078e0013522a---239609882.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad2d825103c---94003839547.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/74f26984d0910e408e098fdedd4188bf/joguludixusevo.pdfIn PDF document text
- http://technoauto.jp/js/upload/files/dadogepodel.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/nuvak.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=average+cost+per+acquisition+ecommercePDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED34 | 5396 bytes |
SHA-256: 212b9604f73d6859fb1f472945bf48eae77067b146eab3289557d3fff596deb3 |
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font_01_sfnt_off0000ff83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF83 | 11204 bytes |
SHA-256: c21c4c465aeb8f4b3342b2f11cbee77e3808e23aa1a933e625dcbac1fab3ceed |
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