MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised WordPress uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these link farms and the overall detection by security tools strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://limoride.net/gallery/file/15124944502.pdf In PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/161364a90348c7---10961450280.pdfIn PDF document text
- http://abbwingslynnhaven.com/uploads/files/gukufa.pdfIn PDF document text
- http://www.alcera.ca/userfiles/file/1031476233.pdfIn PDF document text
- https://corpusbg.com/files/fck/file/58175310645.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///2021914181656747.pdfIn PDF document text
- https://inprovitparaguay.com/ckfinder/userfiles/files/17595462993.pdfIn PDF document text
- http://motopujcovnateplice.cz/userfiles/file/niborelovanixuriw.pdfIn PDF document text
- http://lezeckastenakosice.sk/upload/files/savoranodusalojuzakegijis.pdfIn PDF document text
- http://short-story.ru/upload/file/45841703644.pdfIn PDF document text
- http://mediaworld.pro/ckfinder/userfiles/files/87347985770.pdfIn PDF document text
- https://dienhoanghean.com/upload/ck/files/zilowusagove.pdfIn PDF document text
- https://billard-hauri.ch/userfiles/file/sedawakutukobo.pdfIn PDF document text
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/63648130282.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613488a371902---50353132676.pdfIn PDF document text
- http://wangnatheater.bpi.ac.th/ckfinder/userfiles/files/15921558827.pdfIn PDF document text
- http://golden-candies.ru/webroot/files/files/leniwavi.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615250bf47171---wilesuxowibutev.pdfIn PDF document text
- http://giteduguedesboires.com/userfiles/file/kanejosewevujokidedejok.pdfIn PDF document text
- http://oletrans.sk/editor_uploads/files/xubirunapemalusadibaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=amazing+spider+man+1+game+download+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_off0000afd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFD4 | 10920 bytes |
SHA-256: 68a714ffa09eb38a26bf50317d7e5bffaa8ae3dc2dc7460febcca5d9e8e82f27 |
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font_01_sfnt_off0000c8fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8FE | 16488 bytes |
SHA-256: 73b4310133e67463e0f2950a39672ba9d23638b67da3495997af3da6a7ac4b8d |
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font_02_sfnt_off0000f3c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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