MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and ClamAV as malicious, specifically as a phishing or trojan delivery mechanism. 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 ML classifier output of 0.999766 further supports the malicious classification.
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=free+phonics+worksheets+for+year+1 PDF link annotation
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/e45e5ea0a40c87e6e3530eda59278043/34987057694.pdfIn PDF document text
- http://zoncmswebsitebeheer.nl/files/editor/file/29272081285.pdfIn PDF document text
- http://kibbkw.com/uploads/files/21766047260.pdfIn PDF document text
- https://festival.bg/fckeditorfiles/file/66257681673.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/6a1kdc1olgg2rqd92lj0egjmc9/remubumupasolozotek.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16088f6c23970d---jadobolimimu.pdfIn PDF document text
- https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/1752980b3b63a931b5b04bb8dfd03bfe/zorow.pdfIn PDF document text
- http://ahchala.com/img/file/70915378477.pdfIn PDF document text
- https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/es6oni52c3rf7gufkbc0jt1c7v/xamotezureve.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4361e3bee---sapenujupenor.pdfIn PDF document text
- http://surtek.biz/image/files/20150120_072802.pdfIn PDF document text
- http://andlupa.com/userfiles/file/runimapuw.pdfIn PDF document text
- https://bem-sa.com/img/file/jovusezukakinufux.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b77ecd50860---96190780282.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/givebamovinofarujaka.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607204168ddfa---94394842040.pdfIn PDF document text
- https://burkina-businessschool.com/business_school/uploads/file/84727563500.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_off0000d1b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1B3 | 5336 bytes |
SHA-256: 6f676a2657f81bf63c6487cdd36b43bc707addf7bf02fce142a90cc39ac93a22 |
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font_01_sfnt_off0000e3fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3FC | 10872 bytes |
SHA-256: c49930a167bb12e0e7146e44fa811b5e09f41595c7b91049119483fd940d3bbf |
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