MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. The document contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of embedded URLs indicates an attempt to direct users to external, potentially harmful, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://infrive.ru/uplcv?utm_term=cuento+un+dia+de+estos+gabriel+garcia+marquez+pdf PDF link annotation
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/d1ad6907606231eb6784f2777fbf932b/jududetibuva.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/1rvhnc208gk2j3156023crpdtk/37317164630.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/d452f8244e6aebcd04ba61a599706ea4/bepewunetuxogodit.pdfIn PDF document text
- http://netisiletisim.com/guvennet/resimlerfiles/84372262605.pdfIn PDF document text
- http://rld-carbon.ru/file/fibadatetanodudinukoki.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982a9a7a445---zevolexaxevezavesupunune.pdfIn PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/tezuzipimax.pdfIn PDF document text
- http://rainesclassof1980.com/clients/3/31/314d3ac3c31ee16cfc8f78d457af0ebc/File/6725785326.pdfIn PDF document text
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/qqtoj0kc50jsq7du27hlpg4sh4/ramisi.pdfIn PDF document text
- http://www.onlinetemsilci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcdefa6265---xelosebufirexupuwu.pdfIn PDF document text
- https://perfecthospitals.com/FCKeditor/file/91451199571.pdfIn PDF document text
- https://washlounge.in/ckfinder/userfiles/files/mixuvezalaj.pdfIn PDF document text
- https://simplehome.ro/ckfinder/userfiles/files/vowunasi.pdfIn PDF document text
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/ae21c1cc77f1390910eb2195cf5abc4a/63668396871.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/i3ffmn4km0ie2m5fhk5t1eleg9/89551115782.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3d4ca0d74---sixinudovebamaxepowiwopu.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/xopowezatejarasam.pdfIn PDF document text
- http://passaicvalleyclassof1957.com/clients/44362/File/vibotosolibemebududotoko.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f350c7ae470---5842244974.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16093c0c1250ed---5343783524.pdfIn PDF document text
- http://www.cpiequipos.com/assets/images/user_files/files/zejexuxilolikedudikato.pdfIn PDF document text
- https://asset-books.com/userfiles/file/gurupigepo.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/pemawiru.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_off0000e0c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8D6 | 17516 bytes |
SHA-256: bb293e0dc98d1fc5b89ae519527583754efdcfe2d16277665c6eafab5061e4a2 |
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font_02_sfnt_off00012559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12559 | 11440 bytes |
SHA-256: 2fb6cc634f7ed4402549588e4fd105167b7e7a09a13506f1dfb06be76929f43f |
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