MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on disposable domains or appear to be part of link farms. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of URLs like 'https://synerhu.ru/uplcv?utm_term=warning+camera+failed+s10' suggest a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://synerhu.ru/uplcv?utm_term=warning+camera+failed+s10 PDF link annotation
- http://thaiboxes.com/piceditor/file/darotudoxevemotumitejem.pdfIn PDF document text
- https://agrando.cz/files/file/jupamotexanola.pdfIn PDF document text
- http://nuovartea.eu/userfiles/files/nobiwisafo.pdfIn PDF document text
- http://mixmarketing.vn/upload/fck/file/4651787650.pdfIn PDF document text
- http://elard-group.com/ckfinder/userfiles/files/relitexikotepamojebom.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/wulaxekoposos.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613638ad8ac9b---wulofuvolimusewosef.pdfIn PDF document text
- https://citytrafik.nu/images/file/88591990813.pdfIn PDF document text
- https://ozsersogutma.com/upload/files/21377913671.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/48156081214.pdfIn PDF document text
- https://beyondpins.com/calisma2/files/uploads/23122325671.pdfIn PDF document text
- http://cn-biyoute.com/d/files/jonibolole.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161329ff34a1ac---94821626875.pdfIn PDF document text
- http://reliancefla.com/admin/images/file/juxak.pdfIn PDF document text
- http://kgmda.com/upload/files/davujujisev.pdfIn PDF document text
- https://nepaltrekkinginhimalaya.com/assets/userfiles/files/wamosejuxoverewutarux.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/1e174d1a5fe6dd571198075220b0887e/besivewoxazi.pdfIn PDF document text
- http://lagunaapartman.hu/images/user/file/24472523609.pdfIn PDF document text
- http://abwferrellpkwy.com/uploads/files/fibirivajigujebezuferofa.pdfIn PDF document text
- https://sportuna.be/ckfinder/userfiles/files/zigukefebezadejumenuw.pdfIn PDF document text
- https://qualityroofinnandsuites.com/nbloom/fckuploads/file/dexolil.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_off0000cb66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB66 | 16976 bytes |
SHA-256: e95282348f12814471f962eac048a848eb32fec84e94dcd9f56cb529f1d058f7 |
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font_01_sfnt_off0000f74e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF74E | 10768 bytes |
SHA-256: f9d1a3fe21bb5542b31f1c6c702363beb15dd05c7c5e0ef69b4a83f71b66112a |
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font_02_sfnt_off00010fe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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