MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains numerous links to external websites, many of which appear to be compromised WordPress installations or disposable hosting, suggesting a phishing or credential harvesting attempt. The presence of an MFA lure heuristic indicates the document likely attempts to trick users into providing sensitive authentication information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 9
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://oniceh.ru/uplcv?utm_term=redmi+note+9s+new+update PDF link annotation
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc1df8e0f4---palovi.pdfIn PDF document text
- http://schokozentrale.de/idata/digitojifer.pdfIn PDF document text
- http://needychild.org/ckfinder/userfiles/files/14282921468.pdfIn PDF document text
- http://abwferrellpkwy.com/uploads/files/8843767246.pdfIn PDF document text
- https://ndmoyun.com/calisma2/files/uploads/porimutitar.pdfIn PDF document text
- https://serka.com/serka/upload/files/67052753983.pdfIn PDF document text
- http://gaushalango.com/uploaded_files/userfiles/files/weritof.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/rewodamirosenutefed.pdfIn PDF document text
- http://ghibms.com/userfiles/files/23788109433.pdfIn PDF document text
- https://comobrew.com/newsite/images/user_uploads/file/siludi.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/hd7dsbvj8ff7cp8886tcsfn574/janoramejuj.pdfIn PDF document text
- http://plantessentialoil.com/upload/files/nixumulikekodanuxo.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be3dfa18f1---65974877007.pdfIn PDF document text
- http://tdsns.ru/userfiles/file/9611053468.pdfIn PDF document text
- http://dent-pro.cz/pic/file/68539493442.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16131d7e578d58---71705045696.pdfIn PDF document text
- http://azco.friend-match.com/upload/files/gifejuzuz.pdfIn PDF document text
- https://ladymamashop.com/uploads/files/202109041444151702.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcd795882e---zegej.pdfIn PDF document text
- http://coming-c.com/userfiles/file/tafodulivisodipotu.pdfIn PDF document text
- https://evrenmentese.com/upload/ckfinder/files/guzikagizukapazo.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210906_D7C05279910D3EF4.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_off0000bf05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF05 | 10808 bytes |
SHA-256: 5696577aec5e7a468eec0ff1f53f561d5d6ab81be8c7094b0c6c0e2c85fa0500 |
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font_01_sfnt_off0000d80e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD80E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF020 | 16864 bytes |
SHA-256: 2fdddec2fe831ce784d35ade9fa908da24ee51454692429e015f1653862bff8b |
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