MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many pointing to disposable domains and configured with UTM parameters, strongly suggests a phishing or link-farming operation. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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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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://nomylo.ru/uplcv?utm_term=how+to+copy+data+from+mobile+to+laptop PDF link annotation
- https://www.groupe-coelho.fr/ckfinder/userfiles/files/63917885972.pdfIn PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/sepovijevuvak.pdfIn PDF document text
- http://szpk.hu/_user/file/38890476771.pdfIn PDF document text
- http://cuanhomkinhtoanthang.com/media/file/47324638471.pdfIn PDF document text
- http://kesifveotesi.com/files/1026222931.pdfIn PDF document text
- http://architettoletiziamasciotta.eu/userfiles/files/sirawapigobipajixubut.pdfIn PDF document text
- http://iiiemjobs.com/FCK_Editor_Images/files/11615486335.pdfIn PDF document text
- https://aksukartela.com/images_upload/files/61179307381.pdfIn PDF document text
- http://evergladesharvesting.com/ckfinder/userfiles/files/41698886343.pdfIn PDF document text
- http://semihkerpiccilervesupersound.com/upload/file/vinuvatilefugumefagop.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/74749479654.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614751b41ab92---lanujanitudip.pdfIn PDF document text
- http://www.ville-dammarie.com/ckfinder/userfiles/files/fomusojur.pdfIn PDF document text
- http://awfiowv.love-mrt.com/upload/files/tedipiwoxezigibegosizelak.pdfIn PDF document text
- http://matonaklawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mozadaninitokafotawi.pdfIn PDF document text
- http://lanaecoloridabruzzo.it/userfiles/file/fexejez.pdfIn PDF document text
- http://www.mearesandassociatesllc.com/siteuploads/editorimg/file/34147571982.pdfIn PDF document text
- https://groupburuemas2.com/contents/files/70340216887.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/22815356530.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/51582011101.pdfIn PDF document text
- http://zzzwchem.com/upload/files/gofafuninowaf.pdfIn PDF document text
- http://e-store-sys.com/userfiles/file/716607175.pdfIn PDF document text
- http://sochi-vitrazhi.ru/ckfinder/userfiles/files/zolosupepepo.pdfIn PDF document text
- https://bulendengin.com/upload/ckfinder/files/dozilose.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/2270763462.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_off0000b482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB482 | 10840 bytes |
SHA-256: 5407827a195b309b6c8951fefbb14fc7d8f92bb862f6a2b9ac5b2529f6b37001 |
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font_01_sfnt_off0000cd60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD60 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e572.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE572 | 16124 bytes |
SHA-256: 866653c97e40e9ff392626fbfffe1a51968b8808d6dbea63ef3f3b235f949cb6 |
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