MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest this PDF is malicious, likely serving as a phishing lure or a distribution point for further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the presence of a link farm on disposable hosting, and the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicates links to compromised content management systems.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://medvor.ru/uplcv?utm_term=watch+online+after+movie PDF link annotation
- http://uceng.net/_UploadFile/Images/file/fizugekebijolafesifik.pdfIn PDF document text
- http://aliceinformaticasrl.com/user/pages/33602791805.pdfIn PDF document text
- http://dj-maily.com/uploads/pages/files/zuwegutaxibor.pdfIn PDF document text
- http://xetaihyundai.net/upload/files/sopizuwofagarelufifedebe.pdfIn PDF document text
- http://huynhgiabaohotel.com/uploads/FCK/file/bomuru.pdfIn PDF document text
- http://xn--80aer5aza.xn--c1acndkmcarx.xn--p1ai/ckfinder/userfiles/files/89915691560.pdfIn PDF document text
- https://ksmt.edu.np/assets/ckfinder/userfiles/files/jitisejutidenawaf.pdfIn PDF document text
- http://j1medical.com/uploaded/file/lidupedafikikil.pdfIn PDF document text
- https://atputasbazes.lv/images/userfiles/files/koxerebekofa.pdfIn PDF document text
- https://onthespothousing.com/userfiles/file/43803551352.pdfIn PDF document text
- http://nj-rshb.com/v15/Upload/file/2021951645176516.pdfIn PDF document text
- http://slhospital.com/upload/fckeditor/file/85857767632.pdfIn PDF document text
- http://ovecollection.com/royal/admin/images/products/file/47852859063.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139087b4a1df---wivobuvemolup.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16141c55594e9a---98718592152.pdfIn PDF document text
- http://numismatika-nbkpdy.cz/userfiles/file/misisikibejuloseluluka.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///xolalubibugo.pdfIn PDF document text
- http://essentielles-theater.de/UserFiles/File/83280732162.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/a9a8061490361404cc305044a4ff9edd/25732986005.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/76469028404.pdfIn PDF document text
- http://kyokushin96.ru/admin/ckfinder/userfiles/files/xewupagofuz.pdfIn PDF document text
- http://cdn.eagle.mn/uploads/userfiles/files/mevofegugisamofidileramo.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_off00011403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11403 | 19844 bytes |
SHA-256: dfb287ed0a34458b6819fbbbd92aa881ccce3e292ce89bc5be3fbb45c818c28a |
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font_01_sfnt_off00014862.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14862 | 10492 bytes |
SHA-256: b14a69ecf8c950e3d75d218d991539ed05f16d9e2b1352a5e15a7066863bc280 |
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font_02_sfnt_off0001600f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1600F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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