MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links to external resources, many hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a trojanized payload. The embedded URLs and link farm structure point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pistant.ru/uplcv?utm_term=the+gig+economy+book+pdf+free+download PDF link annotation
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8d8047341---nawixugonifedewok.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc5fdc87bb---633760097.pdfIn PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/3e1b1ef08817a7d712798e00ab7be7b2/senukusurejugijekagi.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607e73f4e576b---60688162412.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f41321a723---8213101884.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file/%5C/dezovagejavipim.pdfIn PDF document text
- https://open-call.fr/uploaded/files/fomutivapivop.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/n87u1luc55u768ovgektin8dse/96478745150.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0e15cbd26---pisujibawe.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/175bcb5ca157e5c398570b0c830464a1/75060771301.pdfIn PDF document text
- http://manninareunion2012.com/clients/0/03/03b30fdf9aaeeba733afadbef254ff7b/File/lozomabituguzewaboka.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/52757551067.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/j1fpfv5udspbmnccvfpv7q8476/kubekajuzal.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/0126810e2964d12b79785728a291d39d/duroradilokixuwejopofup.pdfIn 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_off0000dcbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCBF | 2828 bytes |
SHA-256: 5fccc4b93669808a911be510fa35354615011d06cae0a9a774c0ef2e9a75b465 |
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font_01_sfnt_off0000e6c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C9 | 5740 bytes |
SHA-256: b182b3feb140c89ea6fc8a5b0bc3db1a30a7279a9f849a2a8f34076138fe68d8 |
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font_02_sfnt_off0000fa4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA4B | 12252 bytes |
SHA-256: dd62dd512f12062c62256a5ab29c69778460e261cdcc6c71399462c9c91f5434 |
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