MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to external domains, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of PDF-specific heuristics like PDF_SEO_DISPOSABLE_LINK_FARM further supports this, as it highlights the structure designed to host many links on potentially disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://synerhu.ru/uplcv?utm_term=note+7+pro+pixel+experience PDF link annotation
- https://baxsporthorses.nl/userfiles/file/webimabizalow.pdfIn PDF document text
- http://jullien38.com/ressource/site-image/files/56861238609.pdfIn PDF document text
- http://www.pratikchoudhury.com/fckimages/file/vanilowonelik.pdfIn PDF document text
- https://timminsrenovations.ca/file/FMDdXtfs4EN7o9Nw.pdfIn PDF document text
- http://szjwwj.com/userfiles/file///lofifuwinovewemu.pdfIn PDF document text
- http://mottaing.eu/userfiles/files/wigafikij.pdfIn PDF document text
- https://www.tristar-technology.com/ckfinder/userfiles/files/rerasub.pdfIn PDF document text
- http://dataction.org/demo/dataction/media/faxajexo.pdfIn PDF document text
- http://ucinnovation.ru/admin/ckfinder/userfiles/files/51632160666.pdfIn PDF document text
- http://escuelasfutbol8.com/docs/files/87107611311.pdfIn PDF document text
- http://capesociety.ca/uploads/files/12673892841.pdfIn PDF document text
- https://bokaichenyu.com/upload/files/96124250690.pdfIn PDF document text
- https://kawanmto.net/contents/files/wawovufesit.pdfIn PDF document text
- https://realxenon.ru/uploads/files/vojufekinoka.pdfIn PDF document text
- http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/wogonuj.pdfIn PDF document text
- http://palazzodiaz.com/userfiles/files/53859736278.pdfIn PDF document text
- https://photojet.net/userfiles/file/44321801966.pdfIn PDF document text
- http://bugskin.org/userfiles/file/fasevexekibarozazidapun.pdfIn PDF document text
- http://omegapizza.net/uploads/files/popisudezemixivukuz.pdfIn PDF document text
- https://abofahed.com/userfiles/file/muvigirigovetexatupu.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/ccde225d5fc5fdc1dde74bc592353c08/2962165647.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2348b7790---10771765281.pdfIn PDF document text
- http://erbamedica.org/userfiles/files/ruwuwukebobumirujoxorazo.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_off0000d282.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD282 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA94 | 18048 bytes |
SHA-256: 67a4293440bce5bef3c0b6b8ee17d7937062b18bbe96a87417136a2b2963da73 |
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font_02_sfnt_off0001191f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1191F | 10168 bytes |
SHA-256: df79dcc467100bdc56e687049d96f32f6577df6b8c02eb8bfc2b1a4557039b82 |
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