MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a link farm with multiple URLs, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. The document body, though partially corrupted, indicates a lure related to online file conversion. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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://cructi.ru/uplcv?utm_term=convert+mp4+file+to+pdf+online+free PDF link annotation
- http://bloomx.com/sites/all/sites/bloomx.com/files/liwabujikofelore.pdfIn PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/mabidugesumuv.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/f3fb8d58fb55bfc2b3d11177ce2edc0c/44027926367.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/mifumumetuvemona.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/0b496cc374d4a891a2607be3f544b667/74183328261.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160833695e9d8a---zadexetebulemuluzetu.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/disovotawasixesogimuw.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/ddb46fa31bfb277fd87a059c204c25f4/9545943165.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084f32278a5c---nifazinexuwifesofusuju.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160947f5aac28a---90796709197.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/9dc666f7442862f313b2589a8be05c53/sovozunikavug.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074215a9e7db---mefupubuwe.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/e1agc3h5q9o211v98ub2sd4vl0/43244197653.pdfIn PDF document text
- http://ebanksunited.com/clients/7/7d/7da19d52c1086e69e61582739ce98a0f/File/51463227850.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072d0a2d0838---tejebu.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_off0000e4e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E1 | 4852 bytes |
SHA-256: aa59062112313639980b19f1970d6f6497bdeb8a513894eaa1005cf3c79d920c |
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font_01_sfnt_off0000f557.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF557 | 11280 bytes |
SHA-256: 4e2458fe210478ad61b810794a5f75da6c0bb68407a95186eb1525de874b6e3f |
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