MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as Pdf.Phishing.Trojan. The file contains numerous links to compromised websites, many of which host further PDF files, suggesting a phishing or malware distribution campaign. The embedded URLs and the nature of the heuristics indicate a likely attempt to trick users into downloading malicious content under the guise of free novels.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://oniceh.ru/uplcv?utm_term=english+novels+pdf+free PDF link annotation
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160909d33b89c1---38021841014.pdfIn PDF document text
- http://beerskiboot.com/img/upload/file/41483834429.pdfIn PDF document text
- https://anthonygillant.com/userfiles/file/56860532156.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c12b24d0bd1---lopezene.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/ponubozubixogaxa.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a1ba0ff9e---26810156288.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/h73qruj3bsi1g49kis31hm8p6j/kozomop.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8f36b8b82---luridimanijoberexim.pdfIn PDF document text
- http://allycatering.com/userfiles/61804861093.pdfIn PDF document text
- http://innotec-industrie.be/userfiles/file/33617338133.pdfIn PDF document text
- http://vitalenzyme.com/uploads/fckupload/file/28751775989.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9800f2bae3---wimogezo.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/63efacc37e815ca5338477f895c72d16/68802887290.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a67c2d9acee---gaxepis.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/976366716fe2c7ae186052a875bb4fef/lazuvojinafora.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/68727847062.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c92d847665---39583092244.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_off0000ee6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6E | 5108 bytes |
SHA-256: ff4d9bb6c824fc05a283012d24895d81bb6a41a561e376e88e34cafd66a09bda |
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font_01_sfnt_off0000ffdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFDD | 11308 bytes |
SHA-256: d2130817736e5e2813c0a4e770d86b28d8b44ab9377ae85b88db30898bd7efca |
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