MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links pointing to compromised websites, many of which are WordPress installations. The presence of 'utm_term=the+sims+4+vampires+free+download' in one of the URLs suggests a lure for users seeking free software. ClamAV detected this file as 'Pdf.Phishing.Trojan', and the ML classifier assigned a high probability of maliciousness. No scripts were extracted, but the overall structure and URL distribution indicate a phishing or malware distribution attempt.
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://synerhu.ru/uplcv?utm_term=the+sims+4+vampires+free+download PDF link annotation
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/0c547f461af53bfb1c4dea8e133d3e69/newunad.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d02d971df---41649729546.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/9fce7ef87df6e30505a8c136f6aa2bd4/taxabumagupaf.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095bf6c2f79b---65716948476.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/2c35a1d7e4d4639d9e2a1cb4bfde8974/45657947806.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/jajalanijodaladezus.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/n643q9q1pt5lubf8ro1btrmsl3/73770132993.pdfIn PDF document text
- http://moristas.com/userfiles/files/13949714366.pdfIn PDF document text
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/i0lketq10u66fqdv8mp7thg09m/kenakadinigosiramijagi.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/pozegovewivalowabisofesa.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609175d3f1ca9---sewuxeta.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa9757cddd---rovade.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160b65f21183a5---26370521199.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/vonozizasiresajefipif.pdfIn PDF document text
- https://clickkedai.com/userfiles/file/5424008848.pdfIn PDF document text
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607199be16787---jedapajapogepezajejev.pdfIn PDF document text
- http://sukhabalka.com/files/file/tazivozurubagesufur.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd9f6ae296---bavapo.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_off0000e11d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE11D | 5472 bytes |
SHA-256: 4e91dd85170c6a09a70403338ceea9c348daaf26e46282e40181c961ad88fec1 |
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font_01_sfnt_off0000f3a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3A4 | 10732 bytes |
SHA-256: cf9143b94126bff8ee7e6cc08d3e00c8b59f15e8d31d3c738498f51d0d3fdfee |
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