MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded URLs that function as a link farm, directing users to potentially malicious websites. Heuristics indicate these links are hosted on compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly support its malicious nature.
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=ubuntu+on+usb+drive PDF link annotation
- http://clingac.com/d/files/relotatotesupuzukoduvaxok.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/tlf080rk9ciulhq2defs3qvm71/26316671404.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608620f3e514d---46632721025.pdfIn PDF document text
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609e58eded8c3---40034427596.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160881e5e53c6a---7038003659.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/pagejokowofiraganedi.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfd82ec514---41834622335.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/e94jkcap2s19b4hcpd8krplpcm/8224468948.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/0e97aa64534a35ca5c4676d77cacab83/56021117279.pdfIn PDF document text
- http://rehahomecare.com/upload/editor/files/45520504172.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa64b89c97---fadajesikazodorixivupabu.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609d28bb4d77b---10666376767.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/gpjp1s65o9j9o9pc1qr8bcbtpm/wufenilulobabokogetu.pdfIn PDF document text
- https://loctra.net/userfiles/file/28161580448.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/7306110244.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6d2d905b3---towirotaxuvazulezaxozorez.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/fk2sekpv791chjtsva9c13pd2f/doviputuvonuwe.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_off0000eace.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEACE | 4652 bytes |
SHA-256: 5258959aaa450dec6bd2e05da52a401329abe7c6416dfde499fb0eacefcdb707 |
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font_01_sfnt_off0000faa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA6 | 10784 bytes |
SHA-256: d21c94a73c86b843300d2ca65709dd019c4ddccf7b6f50af2df3a16ce406b9b6 |
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font_02_sfnt_off00011f4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F4F | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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