MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of links, many pointing to compromised WordPress upload directories, suggesting a phishing or credential harvesting attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://medvor.ru/uplcv?utm_term=neurobiology+physiology+and+behavior PDF link annotation
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba9eaeb8a6---jigunidazefejepuz.pdfIn PDF document text
- https://alihuata.com/userfiles/file/3871484573.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160894cdbc453b---kobodosoguxax.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086d1c84c374---10236809756.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/ud1ashanoo5fi3rcpuuv9uuc35/najarabod.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/o7sq58imj61cg1be2pc9vs17m0/doxenakizisuzerarozuzekep.pdfIn PDF document text
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607189ada4b10---76437730164.pdfIn PDF document text
- https://congchunghadong.com/uploads/files/futepaxesuv.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089f15f3789b---vufisikujinejanuvu.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845e3d8418c---nimusoxaxoju.pdfIn PDF document text
- http://daieimotors.com/js/upload/files/21715903807.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607377f6b89a6---76728178670.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5ff8abe41---46447833654.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608f50cfb9f19---99756858009.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/3114741927.pdfIn PDF document text
- http://co-wemart.com/careeruserfiles/file/zufujivafura.pdfIn PDF document text
- http://bestapp4u.com/admin/uploadedfiles/file/70954956444.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/m9nq7ej2eqkumlutjh734t7scu/volinidebadiwinu.pdfIn PDF document text
- https://interior-mark.com/ckfinder/userfiles/files/92411769020.pdfIn PDF document text
- https://aradovan.com/userfiles/file/38365591648.pdfIn PDF document text
- http://www.biotanika.pl/upload/file/xanabajoletagorezifesasa.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/0b4a528f5572ed89668276f976c31c25/vazonujuwiji.pdfIn PDF document text
- http://hotelamadeustorino.com/userfiles/files/tezovatelejigif.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/dfc6464265fd9c0c1cdc974bd01879bb/4036153966.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC2C | 17076 bytes |
SHA-256: c31b3e06adeca1d4771356ec06b05b721e5404a7be543297062436906a078fca |
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font_01_sfnt_off000108f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012107.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12107 | 10968 bytes |
SHA-256: d17a751267040fd6ce8175af679a7326238fe5b99bb02433b312e1bf9552c6ca |
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