MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of 'utm_term' parameters in URLs suggest an attempt to drive traffic to these sites, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://crysiq.ru/uplcv?utm_term=apa+citation+more+than+40+words PDF link annotation
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/vatudopuzupog.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160864c956584c---bozakugenakedetogarori.pdfIn PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/2vl9ofh9jl6m9aocr83hgcbhrb/vijigitadizopujilozigi.pdfIn PDF document text
- http://duda-tech.pl/dudatech/upload/file/93394945441.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210522125432_r86yy0.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a5f102e46---84123734013.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/de2nb5n4l17llhjvttbv6jdtvd/sesujapuvapelew.pdfIn PDF document text
- http://ledson.ru/upload_picture/5496925619.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/ac1daf9a10ef61c9a8b1eed5d95c79f0/25690116109.pdfIn PDF document text
- https://aedwea.com/upload/foto/16105069898.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b40b878a875---zonuzeb.pdfIn PDF document text
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/0a3a8e7a13cf0a2d33a499cc60b70d63/sulatebadaken.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/njota5of683tdr79991etef8f0/27967238624.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/f768165f2bd85d2ea4fa452b9d8f72ca/lilikorimagagalolened.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/7292dcf4cfc97cf7a357dec4abb8bbf9/jabasavejesadupexezem.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/55205c105463179c8d81be3cfc49dfe7/41919147557.pdfIn PDF document text
- http://sns.hu/_user/file/penomigifoz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011e57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E57 | 5380 bytes |
SHA-256: 72b6859441d3e1752548e67356e3cce6b907535539a616a0d291d98631484d6c |
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font_01_sfnt_off00013075.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13075 | 10924 bytes |
SHA-256: 09a23d339114b2fb21e9c0265c286c65ae10f16f513169883fb0b4f33d8b1ddb |
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font_02_sfnt_off000155b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155B2 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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