MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution lure. The document body was unreadable, but the presence of numerous external links indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://vijyaiprismcrm.com/userfiles/files/redijotekilobuxetujid.pdf In PDF document text
- https://pergamine.com/ckfinder/userfiles/files/lemevowibewodoxufifera.pdfIn PDF document text
- http://world-green-hope.com/uploads/files/58813091837.pdfIn PDF document text
- https://bluetact.com/locktactyuma/userfiles/file/degubegajeneruvedukafo.pdfIn PDF document text
- http://blueview.nl/app/webroot/files/userfiles/files/mumozasipibopulojisizawab.pdfIn PDF document text
- http://honmamon-s.com/img_seminar/userfiles/file/judanabekonopilugezal.pdfIn PDF document text
- http://studioiulianella.it/userfiles/files/23390495488.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/terurajatibobim.pdfIn PDF document text
- https://biomisszio.hu/tmp/kilajazufimelojetov.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/b5d400e226e619e7c2a0c9e038ee2803/sinenejizowupowefijapoge.pdfIn PDF document text
- http://xfswchem.com/upload/files/kozokivenog.pdfIn PDF document text
- https://0900107678.com/upload/file/70127386871.pdfIn PDF document text
- http://opusbiz.kr/data/editor/file/130234320613baf0b195c1.pdfIn PDF document text
- https://pianoinprimopianofestival.com/uploads/file/surekirujo.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f0a984a155---popedezoxisivu.pdfIn PDF document text
- https://holcom-wd.com/webroot/img/files/56749878229.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/bkshijti6iuj1naveiagjbvmf0/buzovidexujo.pdfIn PDF document text
- https://fobh.net/userfiles/files/56348631603.pdfIn PDF document text
- http://fapannimario.it/userfiles/files/47379311952.pdfIn PDF document text
- http://e-park.es/img/uploads/files/43495888172.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136addfd67ae---77923304716.pdfIn PDF document text
- http://avtosfera28.ru/userfiles/file/kowisajerobojumosojubu.pdfIn PDF document text
- https://pernambucoimortal.com/imagens/files/74942255631.pdfIn PDF document text
- http://mallenmediations.com/mallenmediations/images/userfiles/file/67993218965.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=loma+vs+lopez+pursePDF link annotation
- 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_off0000bb08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d31a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD31A | 17584 bytes |
SHA-256: 083db3234460ef6bdd7c359b338c5d657555f2cf808db0e7c072103f3698913b |
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font_02_sfnt_off00010126.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10126 | 10304 bytes |
SHA-256: 73d88a66aec5dc4399136ed700f8a0b3dad5f69817b5b23598ff2ea5b840e091 |
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