MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 hosted on potentially compromised or disposable domains, designed to redirect users to other PDF files. The presence of multiple external URIs and a compromised CMS upload link further supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://liubeauty.com/luutru/files/70700129638.pdf In PDF document text
- https://webtechnocrats.com/upload/file/71857597915.pdfIn PDF document text
- https://kstraders.com/userfiles/file/31309244036.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/konuwowukisemodajefad.pdfIn PDF document text
- https://joebalogh.ro/imagini_ws/wiranitulonadenupilunik.pdfIn PDF document text
- https://xcheck.vn/uploads/userfiles/file/fimugod.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2200e22eb---donoduwilosopazanegi.pdfIn PDF document text
- http://aktifithalat.com/resimlerfiles/dizatejobidutefaduxidi.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-2/20210902055004809974.pdfIn PDF document text
- http://frigotechreina.com/userfiles/files/81350757995.pdfIn PDF document text
- http://fiorenzuolatrack.it/userfiles/files/bokus.pdfIn PDF document text
- http://jurabos.nl/include/editor/file/nuwukowubek.pdfIn PDF document text
- http://jinsonmetal.com/Upload/file/zonunifofajebakudik.pdfIn PDF document text
- http://weldingplaza.com/files/file/zulabavij.pdfIn PDF document text
- https://hsdinstruments.nl/uploads/files/loduzajuzegogatobovusolu.pdfIn PDF document text
- http://garmaclima.com/uploads/ckfinder/files/lozutim.pdfIn PDF document text
- https://alident.centralcms.cloud/galeria/files/81217326133.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/161368472c5a14---37771815815.pdfIn PDF document text
- http://thermogroup.ru/uploads/files/2957772747.pdfIn PDF document text
- http://aburobocon2019.mnb.mn/uploads/files/ninileko.pdfIn PDF document text
- http://gamecoast.by/uploads/files/pubijokusunerokesofebigib.pdfIn PDF document text
- http://artkulinaria.pl/sites/default/files/file/fujesamoboli.pdfIn PDF document text
- http://enricobarraco.com/files/jarage.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/161521f7985932---50368085337.pdfIn PDF document text
- http://mensagemcrista.com.br/ckfinder/userfiles/files/pujogodatuwirafegixadupaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=all+real+square+roots+of+4PDF 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_off0000b4a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4A2 | 14964 bytes |
SHA-256: 06a04e16eab9647afed824ea185dcfb0e4b5eee4d8953f24dbe1ed008b8d38cb |
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font_01_sfnt_off0000da2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2C | 10316 bytes |
SHA-256: e327f2351239a24a1ca7470cba325494c8285ed2cd0c7eb1dfc7f147aca98ebc |
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font_02_sfnt_off0000f1b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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