MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links to external websites, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://archism.ru/uplcv?utm_term=money+train+2+demo PDF link annotation
- http://litho-and-co.fr/ckeditor/upload/files/52489798199.pdfIn PDF document text
- https://oriental-kitchens.com/userfiles/files/34089531541.pdfIn PDF document text
- http://www.specemc.ru/upload/files/rekedopaletenologekoxebo.pdfIn PDF document text
- http://phulieumaymacbaoco.com/hinhanh_fckeditor/file/zugiwuragevubebikepef.pdfIn PDF document text
- http://clubselectionvoyages.com/images/file/kixuzibadoramate.pdfIn PDF document text
- http://7sate.com/filespath/files/20210912201613.pdfIn PDF document text
- http://rootbeadmill.com/upload_fck/file/2021-9-3/20210903073431959286.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/xiwibididazesedo.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161422ca299cd5---totuzitoz.pdfIn PDF document text
- http://korea-seals.com/ckfinder/userfiles/files/2065263521.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/zexuxuzopanukowi.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/k8e2b99oi1s5a88cjaldg9hfdi/zababowofukobugamus.pdfIn PDF document text
- http://heydarbaba.org/resimler/files/misaredizabogowifigufuv.pdfIn PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210917062707.pdfIn PDF document text
- http://savitapiti.org/ckfinder/userfiles/files/patoverif.pdfIn PDF document text
- http://frutapac.es/ckfinder/userfiles/files/jojawepaw.pdfIn PDF document text
- http://ecolservizinettuno.com/userfiles/files/palokedoxarimij.pdfIn PDF document text
- https://mogilew.ru/userfiles/file/36336657649.pdfIn PDF document text
- http://underbutter.cz/download/foto/52021533920.pdfIn PDF document text
- http://hyunbulsa.org/~ewedd2/userfiles/file/89406235794.pdfIn PDF document text
- https://arslanemlak.com/E/file/In PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/161317f25230d7---21395592789.pdfIn PDF document text
- http://burattinojatek.hu/userfiles/file/250884030.pdfIn PDF document text
- 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_off000106ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106CA | 10424 bytes |
SHA-256: b699fde072694361b32f0524c40e95fed12c9fe881086a4b4948a9948bd30258 |
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font_01_sfnt_off00011e75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E75 | 18172 bytes |
SHA-256: 59902e878213d0d28386e0fc75842eab93f5186e6bb92423d05fdfae8a8d30a1 |
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font_02_sfnt_off00014d4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D4A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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