MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to disposable hosting or compromised WordPress sites, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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 http://decom.pro/admin/ckfinder/userfiles/files/5238554903.pdf In PDF document text
- https://jss-moms.si/upload/File/tagemalokoxazu.pdfIn PDF document text
- https://aecvfcom.nrgence.com/upload/userfiles/files/68253193175.pdfIn PDF document text
- http://sfipl.in/userfiles/file/tepimutimokovume.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613062871c3c1---mariruwuleperefisinike.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/334767b92dbc0ceaf33f3e602ae07886/dosawebubimatugoxapamel.pdfIn PDF document text
- http://studio70.eu/userfiles/files/bitafavosiwarejivuzexo.pdfIn PDF document text
- http://hrudolf.com/userfiles/xekoguguketiju.pdfIn PDF document text
- http://terezmisszio.eu/files/file/79193969342.pdfIn PDF document text
- http://zae.me/datafiles/file/17151076257.pdfIn PDF document text
- http://poiskvod.ru/images/file/88912543162.pdfIn PDF document text
- http://vegman-kzn.com/ckfinder/userfiles/files/vasosavanasowu.pdfIn PDF document text
- https://rolcsi-bau.hu/userfiles/files/fuxuv.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613707b039892---1344579853.pdfIn PDF document text
- https://digireg.pl/upload/fotaminozujile.pdfIn PDF document text
- https://greenlakepaint.com/ckfinder/userfiles/files/kupuvusimaludagujevakiz.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/2021932123438283.pdfIn PDF document text
- https://producedepot.us/userfiles/files/2573055553.pdfIn PDF document text
- http://gimhaejazz.com/fckeditor/userfiles/image/40943043435.pdfIn PDF document text
- http://eubeer.vn/uploads/files/tawavuzikunupozedepimebot.pdfIn PDF document text
- https://bawauang.com/contents/files/87987597202.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/83701969861.pdfIn PDF document text
- http://casms.org/atts/news-files/file/varusiduvavabokaluradix.pdfIn PDF document text
- https://jsptti.com/ckeditor/ckfinder/userfiles/files/90377209640.pdfIn PDF document text
- https://printsolutions.printsolutions.bg/uploads/wysiwyg/files/dowiketewoxetelekuxud.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=game+bagus+ps4PDF link annotation
- 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_off0000cb7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB7E | 17216 bytes |
SHA-256: d54a59740018267ba9f80ac27743e0b3bd6c3b0496137c942038ca778d58d14d |
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font_01_sfnt_off0000f84b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84B | 10392 bytes |
SHA-256: 6b2f53f2961cc2b61f77caa4bad8e1b29da645917edc0e7d69ba59854252a270 |
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font_02_sfnt_off00010fb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FB2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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