MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ClamAV as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, appears to be a lure related to a specific PDF title, likely to trick users into clicking the embedded links.
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://allytemp.ru/uplcv?utm_term=catecismo+del+padre+ripalda+pdf PDF link annotation
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/4c1b3cca085b94c7b26ad0286fcf93a3/90989524171.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ebba4c4eed---fapiwejiwavilajojune.pdfIn PDF document text
- http://naturabliskociebie.pl/userfiles/file/totidepigazizomowa.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16074c1ea83e9f---79492958006.pdfIn PDF document text
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/aci203u76keu7edt9ggqes6vkp/lepewovobosaribenigopi.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070306ca0af6---zefapeponugirafemelevave.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce20b8cbd4---43052944174.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/3de433107ea5fad30566b5dc4145b6f3/35338733148.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0cbe504211---tukubesegudidupaxe.pdfIn PDF document text
- http://sonkertrail.org/clients/9/92/9260a3c387aed4615f72c72c3a1da295/File/dokasinotikorovu.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/cbam0sjtanmaqecu4vkpob05q4/neredirofebidawunalod.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af7bf83f534---89975872113.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b27f7fdaa29---puximadofitinufanajaxag.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e49b976397d49d0d3a1002a2d375dbab/pawezufetuxisusupizajerel.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9a7548c15---duvigekebewi.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_off0000e882.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE882 | 5208 bytes |
SHA-256: aea3701160de6d07d5ed9a222bc0dce79ea6510603d23e1bd1681da14acb4c4c |
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font_01_sfnt_off0000fa1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA1C | 11320 bytes |
SHA-256: 46fb403873e53cdbdbbc309b7e7bdde05cbb709bceacf90d0fdcff1a5b4c3b4f |
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