MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the PDF acts as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous unknown URLs suggests a potential distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161391ba2b77c0---23941301399.pdf In PDF document text
- http://bbmpva.nl/fckassets/file/85723214926.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/binimedonazulenega.pdfIn PDF document text
- https://studiecarriere.it/uploads/file/guwag.pdfIn PDF document text
- http://hitelesen.com/userfiles/file/migutasalas.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613308a36910c---vugeka.pdfIn PDF document text
- https://satellietgroep.nl/userfiles/files/5938040954.pdfIn PDF document text
- https://tiemhoamo.com/data/dulieu/files/womufev.pdfIn PDF document text
- http://sake2metustin.com/uploads/files/rexolal.pdfIn PDF document text
- http://domingo.hu/ckfinder/userfiles/files/fazutokax.pdfIn PDF document text
- http://wedooverseas.com/userfiles/file/26871890744.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f60e969f44---mepafufujadalumazokukito.pdfIn PDF document text
- http://kossuthdigisuli.hu/userfiles/file/gimibutoles.pdfIn PDF document text
- https://actaviaserica.org/board/file/files/24761516114.pdfIn PDF document text
- http://jfhcoaching.nl/userfiles/files/muzijenapo.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/gipawudivipuzeji.pdfIn PDF document text
- http://haiannweb.com/uploads/files/97691007026.pdfIn PDF document text
- https://implantsdentairesdesmoulins.com/upload/editor/file/xadowukupuvatedir.pdfIn PDF document text
- http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/9233991673.pdfIn PDF document text
- http://pes.edu.mn/ckfinder/userfiles/files/tibutu.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613019de1715a---64341630193.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/nujirisukeb.pdfIn PDF document text
- https://cyberbirddog.com/userfiles/files/91338107987.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+screenshot+on+snapchat+without+knowingPDF 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_off0000ec21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC21 | 17976 bytes |
SHA-256: f0cfa1c057639bb30a5a2f056a8ebc2f0789d2fe9c3232b85a765a41d48ae214 |
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font_01_sfnt_off00011a0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013223.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13223 | 10876 bytes |
SHA-256: 4939674b7c18c5fe3c61c5f4adab3cd0c92968ce72c05cc297cef375a0bbd9c1 |
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