MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to a specific book title, likely to trick users into clicking the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://nomylo.ru/uplcv?utm_term=metodologia+dela+investigacion+sampieri+2018+pdf PDF link annotation
- https://tomas-music.com/contents//files/jevapudiw.pdfIn PDF document text
- http://royalwedding.jp/images/blog//file/jagabalesagepininid.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/hv4aakeqbo79oelbnv324lrla5/rupameborenesakitokub.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/pn01c39a4nt4eod8eut69f0ul6/tewinijego.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/pipumaralemusaj.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160724e1b65780---xerumotixexudofabar.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/maxukagixabujabu.pdfIn PDF document text
- https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/d8de49dd6ec3a5225f836847c12f0d68/tebokegikuwovofevumuz.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/38664988208.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608a06411c2be---ligofi.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a4f24ff4f---sukat.pdfIn PDF document text
- http://ballstonfamilymedicine.com/clients/861402/File/laragomeja.pdfIn PDF document text
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/miketixedadi.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fabe0e29f---63496499885.pdfIn PDF document text
- http://sun-tes.ru/files/file/fizigariwavikow.pdfIn PDF document text
- http://exmar.it/foto_fck/file/79768400802.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c60714c6f2---14256852467.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE6B | 6060 bytes |
SHA-256: 399e0dd3d85c6d4587aab027c25e6ace36bb82a56f976d272c3d8c145e864ba4 |
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font_01_sfnt_off0000f311.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF311 | 12744 bytes |
SHA-256: 88afc25e8cc20c8e234b644fa5c609bcdc3cd0dfa70ca9c195d7c16257e20530 |
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