MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by a ML classifier and ClamAV, flagging it as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting. The embedded URLs are likely intended to lead users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://krisoc.ru/uplcv?utm_term=how+to+remove+picture+from+music+player+on+android PDF link annotation
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/cd89aa19032bde496995c622a58ad074/fojijibofejolidegafum.pdfIn PDF document text
- https://hiperaktivite.info/userfiles/files/13095818392.pdfIn PDF document text
- http://specialcats.nl/media/files/22863018803.pdfIn PDF document text
- http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/41393104021.pdfIn PDF document text
- http://rockhouseschool.com/rockhouse/uploads/files/4368302407.pdfIn PDF document text
- http://nc-israel.ru/upload/files/73610250649.pdfIn PDF document text
- http://alumcity.ru/userfiles/file/gotijobewodu.pdfIn PDF document text
- https://tolgyesvolgy.hu/userfiles/file/lanozanepitepuvupor.pdfIn PDF document text
- http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/wamiwemejijekegedamuri.pdfIn PDF document text
- https://cplastik.com/data/cms/file/tavodelafunub.pdfIn PDF document text
- http://haohanlegend.com/Uploadfiles/files/9328251422.pdfIn PDF document text
- https://incoyun.com/calisma2/files/uploads/64188314746.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/ed0c8947696740ab9fe37fd3d5cfd6f3/vobibofazot.pdfIn PDF document text
- http://www.serenissimaservizi.com/files/14880944558.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/161308faba575c---kafuse.pdfIn PDF document text
- https://indicaperu.com/userfiles/file/vitagolupaxufugemuperis.pdfIn PDF document text
- https://listocrm.com/userfiles/files/silarotewubidawevejupojam.pdfIn PDF document text
- http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/62544090028.pdfIn PDF document text
- https://cncunse.com/d/files/38225964084.pdfIn PDF document text
- http://themadthinker.com/temp/vinney/HTML/userfiles/file/faranagev.pdfIn PDF document text
- http://swotaweb.com/img/upload/file/60261471283.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/7f164bc93fd93b65afc424e5b58dd922/sefidojitiroge.pdfIn PDF document text
- https://willes-gb.com/uploads/files/202109101731039472.pdfIn PDF document text
- http://koppeika.ru/userfiles/file/39348964425.pdfIn PDF document text
- https://mimpishio.com/contents/files/gikobuna.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_off0000d58a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD58A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eda1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA1 | 11136 bytes |
SHA-256: 9056d995c8540b64504a9c6e436e23e9a836cbb9b69fa005dfca56660e00f1ef |
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font_02_sfnt_off000107a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107A8 | 16904 bytes |
SHA-256: eb36b97782178696ffbf6bb0643276f5c44315edb9a71a45c577b872690da2b1 |
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