MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, with one specifically pointing to 'infrive.ru' and containing a 'utm_term' parameter suggesting a tracking or lure mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm on disposable hosting, reinforcing the phishing or malware distribution intent. The ML classifier and ClamAV detection strongly indicate maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://infrive.ru/uplcv?utm_term=redmi+note+5+system+update PDF link annotation
- https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/saxomanuxosivuvogekusi.pdfIn PDF document text
- https://shinaltd.ru/images/file/ropaz.pdfIn PDF document text
- https://rtquery.reitoken.org/Coaching123/images/files/32466442594.pdfIn PDF document text
- http://xn--2osv9pt2jfpt.com/uploadfiles/files/41677896579.pdfIn PDF document text
- http://www.udelimpa.es/ckfinder/userfiles/files/kipetoxaxulaxig.pdfIn PDF document text
- http://lsphc.com/userfiles/file///55594988866.pdfIn PDF document text
- http://twinmd.ru/userfiles/file/90646778571.pdfIn PDF document text
- http://alrabbanoilandgas.com/file/files/nesoxogawafavawixune.pdfIn PDF document text
- https://unitytradecapital.com/ckfinder/userfiles/files/44696214923.pdfIn PDF document text
- http://hataylezzeti.com/resimler/files/zonukazadinoziwebul.pdfIn PDF document text
- http://gramercygrand.ru/files/file/puponagolilamaku.pdfIn PDF document text
- http://cu-hinothai.com/ckfinder/userfiles/files/ximelo.pdfIn PDF document text
- http://lobanowscy.pl/userfiles/file/85620473651.pdfIn PDF document text
- https://eclearusa.com/images/file/7261542059.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315a62199d8---41734096518.pdfIn PDF document text
- https://dakhoathienhoa.net/images/files/puror.pdfIn PDF document text
- http://yilip.net/userData/board/file/33446897397.pdfIn PDF document text
- http://ngocvietbungalow.com/upload/files/toxopivilefares.pdfIn PDF document text
- http://dungcumaymoc.com/Images_upload/files/mezumajuxesu.pdfIn PDF document text
- http://amirafouad.com/uploaded_files/file/kisozufupozubijozuriloze.pdfIn PDF document text
- http://p-itos.net/admin/userfile/image/file/vemawegosowile.pdfIn PDF document text
- https://nedimgame.net/calisma2/files/uploads/10399130985.pdfIn PDF document text
- http://praguynakorn.com/praguynakorn/picture/datapro/files/jizemur.pdfIn PDF document text
- http://kxxbs.com/uploadfiles/file/a/30508034491.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_off0000e490.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE490 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fca2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA2 | 18792 bytes |
SHA-256: f18e48937ad67a5dfdc70460bf191d30aa2f66b68f3831228f147b43e3b05bb7 |
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font_02_sfnt_off00012e4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E4D | 10800 bytes |
SHA-256: ef10603262d1e39afc4a6a4e445edb4f8b7534b9e340da92c1280482fc6c632d |
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