MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external URLs hosted on compromised CMS platforms and disposable domains. While no scripts were explicitly extracted, the presence of external links suggests a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/teminubusisugojor.pdf In PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/7becd424c8cc271bdb64e75931dbdcee/kurafuduwaloxujegovi.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/4tsqea2lqtjcgb47nie8llej70/lugejozoxojosuwumibasadi.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/64d9f606cc762270495bbc4733d4360e/3081451537.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16071602c995cd---57534548700.pdfIn PDF document text
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/23798e008e49274568fe25d1a49628c8/mijelolaxibalom.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f626c8752c---fejuber.pdfIn PDF document text
- http://dentish.ru/ckfinder/userfiles/files/zasorumewilidizogawipe.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16092401292de9---sujozanikujo.pdfIn PDF document text
- https://yourownadviser.com/ckfinder/userfiles/files/rexufusepugusubozixu.pdfIn PDF document text
- http://erictex.com/ufiles/files/risarijopoxibofez.pdfIn PDF document text
- http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17578428887.pdfIn PDF document text
- http://app8itebarandgrill.com/admin/images/file/98308501496.pdfIn PDF document text
- http://angelcabrera.com/FCKfiles/file/borivipatidisoraxo.pdfIn PDF document text
- https://aravlicraft.com/cmsCart//upload/file/35787290364.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/buwasesoju.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/78091917873.pdfIn PDF document text
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/36c8dbf921d4893a15f08a937a2e8d62/fadafodalawasilutovev.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd89432c6f---jumexilidobosososak.pdfIn PDF document text
- http://clarksville.net/wysiwygfiles/file/62659000482.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607295acd33d0---81175759638.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb11964c645---wapusotegavidu.pdfIn PDF document text
- http://bhk-aindling.de/userfiles/files/72559441301.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/6529f8f613f69639ddd314c9fce2e7f7/lojatesujevor.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=girl+woman+other+quotesPDF 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_off0001019e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1019E | 10744 bytes |
SHA-256: 3448786001a5b9ebb1e1e382c401cd36399185b19b13ac2272ec67c475afc8f7 |
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font_01_sfnt_off00011a3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001324c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1324C | 17396 bytes |
SHA-256: fb08b1360b407d84dfe8e33fd9d52ef77bdb26fcc37741c8cf4f0c5eda824a56 |
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