MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to disposable or compromised domains, indicative of a link farm designed to host phishing lures or redirect to malicious content. The 'SE_MFA_LURE' heuristic suggests the document's content is designed to harvest credentials or abuse multi-factor authentication. While no scripts were directly extracted, the presence of external URIs and the ML classifier's high confidence score support the assessment of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://allytemp.ru/uplcv?utm_term=card+ui+design+css
- https://vroa.pl/chplusfiles/file/pewejawa.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/fe97147878120edf52add64d0fd4a447/jaxavomuvakakul.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/03d6010da67010de566a762d8ca2a306/99571028861.pdf
- http://naosgym.com/userfiles/files/falewo.pdf
- https://sanvexe.vn/webroot/img/files/lamek.pdf
- http://korvet-sp.ru/userfiles/file/maxorixixubiworimitum.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161409adbf1c76---kakasu.pdf
- http://leicesterbiketec.com/userfiles/file/85013222752.pdf
- https://stiff.pl/ckfinder/userfiles/files/koxatelatikoj.pdf
- https://phoenixturkey.com/upload/ckfinder/files/gagevesajodizogabamis.pdf
- https://faresaldabbous.com/uploads/file/remasapesesujajovex.pdf
- http://srtcivilnorth.com/ckeditor_file/files/21414818511.pdf
- http://boldogelet.hu/media/20703229851.pdf
- http://roosprommenschenckelfoundation.nl/userfiles/file/zigufofovixulef.pdf
- http://unitekinfostructures.com/userfiles/file/xolesozadofexujo.pdf
- http://nfraccon.org/userfiles/file/mupexol.pdf
- https://ajambary.com/userfiles/file/vulemukuzatalubililisafal.pdf
- http://phongthuyphatloc.com/luutru/files/80395153173.pdf
- https://giaphutelecom.com/tctt/sites/aaa/file/nakoxegobajiwafilogiza.pdf
- https://nyig.com/files/file/32374349807.pdf
- https://fibra-optica.ro/ckfinder/userfiles/files/87841235458.pdf
- https://geloracinta.com/contents/files/24153027446.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cf86.bin45fd48d068429b872c2be5a4fdbff7c61c4947e8b90176c22b2d8a69f0f0e755 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF86 | 19692 bytes |
font_01_sfnt_off000100fe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100FE | 16792 bytes |
font_02_sfnt_off00011915.bin28e761fcae1e4d08c36c9a89daf0d6423ab0a1ffa4d4a614f98e054b37339c75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11915 | 10412 bytes |
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