MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to potentially harmful content. The PDF's structure and the presence of multiple external URIs point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://laborke.ru/uplcv?utm_term=free+android+browser PDF link annotation
- http://saimiri.name/upload/file/69494361593.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161386a98d06ae---tegobapemefuvatoribe.pdfIn PDF document text
- http://modellszerviz.hu/userfiles/file/rimajekugolojezapif.pdfIn PDF document text
- http://ore-processing.ru/d/files/51949280384.pdfIn PDF document text
- https://mondoaudio.it/img/uploaded/file/47150563043.pdfIn PDF document text
- https://vico-inmobiliaria.com/ckfinder/userfiles/files/mixinanoritela.pdfIn PDF document text
- https://equalitas.es/userfiles/file/48517567128.pdfIn PDF document text
- https://callmarkinvestments.com/callmark/files/25666836145.pdfIn PDF document text
- https://caribemed.com/userfiles/file/45528940517.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/63224466699.pdfIn PDF document text
- http://kingkady.cn/uploadfile/files/46339328348.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210910_AFF3A3027036AC0C.pdfIn PDF document text
- https://pioneerlift.com/upfiles/editor/files/25791359574.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614169316305a---porimafoguju.pdfIn PDF document text
- http://medtravel.lv/images/hand_uploaded/files/bibabibobigan.pdfIn PDF document text
- http://www.groupementpecheduloir.com/ckfinder/userfiles/files/nofalufeb.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613996783e6e0---1790278185.pdfIn PDF document text
- http://kuresi-kaitori.com/upload/content_pic/files/12322476128.pdfIn PDF document text
- http://kirakuramenandsushi.com/uploads/files/wexuxufowidiwi.pdfIn PDF document text
- http://bpsstudio.hu/uploads/bukimaroparaxosolijoxa.pdfIn PDF document text
- http://alsace.annuaire-regional.com/ckfinder/userfiles/files/57976342141.pdfIn PDF document text
- http://gloteckr.com/upload/editor/file/12536801721.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_off0000e9cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CC | 10300 bytes |
SHA-256: f71db7c5aaf0e985ba0fe0ed33da9865c82f607108f5ed65a11c0715f30ccc61 |
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font_01_sfnt_off00010117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10117 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011929.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11929 | 17428 bytes |
SHA-256: 6eca25eb79a867c2730333c1a82ce0c1a5e11f12c69c33f2ad6431e3b7bdb47c |
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