MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicative of a link farm. ClamAV and ML classifiers strongly flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple external URIs and link farms suggests an attempt to direct users to potentially harmful content or exploit kits.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/5tt45m2hgoq3hdhkosipodnjs6/nafip.pdf In PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b05a7ccaa1e---boluvafejazesegurajiz.pdfIn PDF document text
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/afb247db95f72bae9d13df20a6ddd36a/suxefuxogowodigipasal.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609690fc2139e---poruzowibomozer.pdfIn PDF document text
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/94157184343.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f07a4c86f1---nokujaxotezaxotoloro.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c5aa080fae5---tevidunozabijim.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/1770d451de2ea9abb32db97fffed2764/tulake.pdfIn PDF document text
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/b3643390bb076dd28847fa5e5a74661c/xaxilafisukagamadeguxa.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/35e6b2a173a26011215675b727cb7290/94656148771.pdfIn PDF document text
- http://zap-interactive.com/uploads/files/mapuzamukenawiwafij.pdfIn PDF document text
- https://walnutcreekguide.com/wysiwygfiles/file/91968160717.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb7f266bcb2---jidewolafajup.pdfIn PDF document text
- https://postele-z-masivu.sk/ckfinder/userfiles/files/38555974227.pdfIn PDF document text
- http://everettsbarbque.com/clients/b/b0/b0b566c85bab127526a414587b81487f/File/vigitonifivobebewiziregoz.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/41433563319.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/56b54cd743cbf3ff1d0d673505e4c176/bawivujukiromeragugugogun.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202105101001.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6e166af77---77894126290.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/42967587499.pdfIn PDF document text
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608339072d39d---31469944616.pdfIn PDF document text
- http://aihyang.com/userfiles/file/dufoninepezexofodutod.pdfIn PDF document text
- http://aite-materials.com/upfiles/file/jitawozaduzulafejon.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=sword+art+online+alicization+ps4+reviewPDF 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_off0000f5bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5BF | 10872 bytes |
SHA-256: 74865629d651aba811f894d26549ebf4291b7981e69897b5d923514a7a3cdcc0 |
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font_01_sfnt_off00010f13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012725.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12725 | 16856 bytes |
SHA-256: 08fa0142d3e7cbdde819de93ad220da5afd78445fbd5a4bec77f3d5329c24cf5 |
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