MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which are part of a link farm on disposable hosting, suggesting a phishing or malware distribution campaign. One prominent URL, 'https://krisoc.ru/uplcv?utm_term=thoptv+44.0+download+for+pc', is presented as a software download, a common lure for users to click and potentially download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://krisoc.ru/uplcv?utm_term=thoptv+44.0+download+for+pc PDF link annotation
- http://islaminkiel.de/webmisr/uploadwebmisr/file/21780065103.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/gklsuvi9hh6stree57k5k80vie/34933739646.pdfIn PDF document text
- https://styliststudios.com/imagesTE/file/nelaxazowenemofujalo.pdfIn PDF document text
- https://gobelsprofil.com/upload/files/kitixugagen.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/29524496005.pdfIn PDF document text
- https://newegys.egyseg.eu/ckfinder/userfiles/files/guxipofuzuvotabogu.pdfIn PDF document text
- http://escuelasfutbol8.com/docs/files/komizutavolibonefawide.pdfIn PDF document text
- https://andrejc.si/files/file/84314002208.pdfIn PDF document text
- https://mimzyonline.com/userfiles/file/ragifarodozipegumanuweze.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/xepazorifi.pdfIn PDF document text
- http://reliancefla.com/admin/images/file/89186118504.pdfIn PDF document text
- https://inoxquochoang.com/app/webroot/files/images/pages/files/93321791300.pdfIn PDF document text
- http://allycatering.com/userfiles/59481418331.pdfIn PDF document text
- http://phoiinnhiet.com/images/uploads/files/pumugukirotal.pdfIn PDF document text
- http://www.supair-lux.hu/ckfinder/userfiles/files/vezilawerekaziwefesim.pdfIn PDF document text
- https://sunpower.lv/ckfinder/userfiles/files/tufibo.pdfIn PDF document text
- https://soalmatematik.com/userfiles/file/70222578592.pdfIn PDF document text
- https://sealskinz.ru/files/file/votolekibafem.pdfIn PDF document text
- http://xycrusher.com/d/files/pujamixipizezeleza.pdfIn PDF document text
- http://mjengo.org/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/vulin.pdfIn PDF document text
- http://culfordequestriancentre.org/UserFiles/file/92651325006.pdfIn PDF document text
- http://almuhja.com/ckfinder/userfiles/files/ridiwokonalafojesubifep.pdfIn PDF document text
- http://oxigensupplies.com/shipinc/userfiles/files/fiduxipakavusuk.pdfIn PDF document text
- http://montoaneli.com/ckfinder/files/sudejivara.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b276ad7c96---misanogutuvotadusavurek.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_off0000b2d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2D0 | 17224 bytes |
SHA-256: 768c41dcec7bf8c7988cb85f2664ac8a6738c8982523343820a86e6273df10a8 |
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font_01_sfnt_off0000deec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEEC | 10704 bytes |
SHA-256: 774de161cf6497a6b5d74020b868b1b2564d2099c92dacd8b20ed2ff0d2c315e |
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font_02_sfnt_off0000f789.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF789 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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