MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The document's content, presented as a definition of alliteration, is a lure to disguise its malicious intent.
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://infrive.ru/uplcv?utm_term=definition+of+an+alliteration PDF link annotation
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b9dad434a2e---wotepaj.pdfIn PDF document text
- https://loctra.net/userfiles/file/28161580448.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/47294e2c5793298406a213f55c2c1172/totapitotesakitaw.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9be3c5d74---65546108881.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/d8026a1e54d95f5c86e2567e16e58f2b/18226188886.pdfIn PDF document text
- http://poiskvod.ru/images/file/dusadusumavomapusede.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e237bae5a---pobig.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/3e8fojglhhoqti2t4tr2j7ks3o/siganalasoxinanabojelo.pdfIn PDF document text
- http://volamtuyetthe.com/userfiles/file/19893285364.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/1983b4b93cfbbda7ee3d8905b44d3f9f/weranujokujovofo.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a22b0044308---69641943524.pdfIn PDF document text
- https://ankaratemizlikcim.com/depo/sayfaresim/file/68724271872.pdfIn PDF document text
- https://healthmatters.me/userfiles/file/4318351862.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/7j69ntl1e4mkjabr84i9o5l13r/10572423861.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813465726ea---tujazepobotumuzeze.pdfIn PDF document text
- https://nnkcreations.com/userfiles/file/89880092576.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_off0000d3ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3ED | 4584 bytes |
SHA-256: 93593838826416ba4f1625b4c3679becb185619549ae9eaff1e6138d69f28cf1 |
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font_01_sfnt_off0000e396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE396 | 10668 bytes |
SHA-256: e49ad7cbec5420390ed5191035b7173799c44f6b715612bf76d8b8713e724af2 |
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