MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate an attempt to exploit users through deceptive redirection.
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://izyskately.ru/foto/ck/files/6070000237.pdf In PDF document text
- https://nichecnk.leaddeehub.com/userfiles/files/8533885256.pdfIn PDF document text
- http://makinsushi.com/uploads/files/46433461784.pdfIn PDF document text
- http://amsuatrust.org/survey/userfiles/files/gofevaruxu.pdfIn PDF document text
- http://rothemtour.com/FileData/ckfinder/files/20210903_FF131C6AAF84172C.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/paxunikut.pdfIn PDF document text
- http://skkl.cn/filespath/files/20210912094631.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/negevatatipenaf.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137703526d69---rapalazebigezufu.pdfIn PDF document text
- http://cornucopiafrederick.com/uploads/files/21579258900.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/ede2111331fef9a14feb6d1792816d46/majisut.pdfIn PDF document text
- http://motovelo-nmsk.ru/userfiles/file/xigutufamig.pdfIn PDF document text
- http://theorientgarden.iorderfoods.com/uploads/files/13703772291.pdfIn PDF document text
- http://blossomtour.net/FileData/ckfinder/files/20210914_6538CDEEDBA6B989.pdfIn PDF document text
- http://potentialdesign.cn/userfiles/file/1630645738.pdfIn PDF document text
- http://modellszerviz.hu/userfiles/file/mupusovikat.pdfIn PDF document text
- https://drakbera.com/ckeditor/ckfinder/userfiles/files/15057316688.pdfIn PDF document text
- http://kmjmt.com/news/upload/file/21090909461765639468hiw4.pdfIn PDF document text
- http://centrlita.ru/archive/image/file/99328093520.pdfIn PDF document text
- https://wasael.com/userfiles/file/bijurejelo.pdfIn PDF document text
- http://www.biharikft.hu/bihari-admin/ckfinder/userfiles/files/luvogabuguvejutipukadewis.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135dca6484cc---84742741018.pdfIn PDF document text
- http://feldbach-tourismus.at/files/jupuvisuwij.pdfIn PDF document text
- http://www.sanjuktabanerjee.com/fckimages/file/36103647495.pdfIn PDF document text
- http://lejuriste.ru/files/file/gewupuvejokowazole.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=summer+house+full+episodesPDF 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_off0000dd16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f52d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF52D | 10572 bytes |
SHA-256: 25c4242b09f94322d0b2f2194a71720a33ba3361cdd418892c3bc4c192c18923 |
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font_02_sfnt_off00010d2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D2E | 17568 bytes |
SHA-256: 2477afeb01faf78f2029f2a0c7f2796c4416c45bb78cbd821c7e70422a673ca8 |
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