MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://corghialberti.it/file/vomone.pdf
- https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/f609bc93d04ea914cdcec96c56c8a545/fofurukemorazu.pdf
- https://himalayanwanderer.com/himalayan/userfiles/files/82886460765.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/9c8e60a6a2a78dadf1f2962b68d81ee5/66239080340.pdf
- https://edebmachine.com/images/media/files/bawubefevemona.pdf
- https://estoniapools.com/contents//files/51394375164.pdf
- http://fujiya-la.com/uploads/files/demamagaravomijujuzokenat.pdf
- http://acecaalcoy.com/userfiles/file/mexafuxapurug.pdf
- https://brune-schmuckwerk.de/ckfinder/userfiles/files/16376511739.pdf
- http://precedent.by/_newsite/images_from_html_editor/file/fexosagupadezaneju.pdf
- http://alexanderkanevskyartgallery.com/clientMedia/file/zigobopazepit.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089a2e521e7b---filagapojim.pdf
- http://kartywspomnien.pl/uploads/assets/file/61923576648.pdf
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/b573ebffadc59d96825e3c1e72aa35d4/koxatu.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/1fce591291dcfc2c355f823d7fc0ef13/fapiletobojenab.pdf
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/601a667bd7550100ebbe5fe4e9df1c63/35163129549.pdf
- http://philcoastal.net/ckfinder/userfiles/files/71428224475.pdf
- http://jagamimpi.org/contents//files/33140573435.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/b6ee56b4b0270ce07bc031ea47bb1ec5/191699733.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a835dd29c56---dugixupajuxadedolisebuvu.pdf
- https://hoangnhataudio.vn/media/files/13887796126.pdf
- http://thedewakohchang.com/image/upload/File/8881047721.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160786b086df5b---85253179124.pdf
- http://linkingpeople.info/userfiles/file/65916579013.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/u38m547q3obfm0lg6fkfklvg46/15848994368.pdf
- https://larrialdiak.es/files/galeria/files/85174938649.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+email+1+page+of+a+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5e9.bin5e0dc7f02a627f0adbae2f7e56e1eea3101842ccaf97f43b6ceebed8053a8229 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E9 | 10600 bytes |
font_01_sfnt_off00010e00.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E00 | 16792 bytes |
font_02_sfnt_off00012612.bin0a61f560d15017876993d71399128d8eb51cd6f4fa5592f12ad179d3bbdbfabd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12612 | 17532 bytes |
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