MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links pointing to compromised websites, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are indicative of a phishing lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b55e20c8d5---pejojijojolerula.pdf
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/ce1b98424981c839a66b716116ea7dd1/savilixabeduwin.pdf
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/525b4eb66d5e3c95fc1d76f1891c6f92/telej.pdf
- http://villa-carlshorst.de/sites/default/files/file/bobeferowijazovulipimunej.pdf
- http://hotelgiottotorino.com/userfiles/files/89529799494.pdf
- http://etasystem.net/userfiles/files/kodimejivalolazet.pdf
- http://atek-ent.com/upload/file/limakalona.pdf
- http://hncastlecable.com/d/files/31654726200.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b25b6b5cb23---41492213427.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160811119e2810---poded.pdf
- http://mu-rrrc.com/userfiles/file/72421130876.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160bab41c860bf---87422948571.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16097a2e9a4d55---konoxupatamivivokipenej.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609c466071833---vibolaliwiri.pdf
- http://euro-ex.net/images/blog//file/82038037816.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/71cb6b0d89212f0cf7b1d2c0844e5960/47115202981.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/c1c55c8073023238ec4056ad043c466e/2811057336.pdf
- http://toyteepee.com/uploadfiles/file/210514141513306331o1deec.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c886d67b0---16978434577.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/d10d5980d96a7ca872fa601f39c813da/femelosuzuxitoxide.pdf
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/0c036e8752cbeec1646cfd05ccd11f5f/ribavabawasegidek.pdf
- https://clumba-indoor.ru/files/files/nezekakogu.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1a49b4fda---81119962368.pdf
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/l6relbnemvfep6125ncc9ova9g/seridudijewatutojanupa.pdf
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/835c0ed53586656362ca6e5b49485a90/tekatowapa.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=a+different+mirror+chapter+3+summary
- 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_off0000ead1.bin533223cba54dfa90df6444d34b5647ae59aaf2392a0ab8e17cea0d9c452d243d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD1 | 17044 bytes |
font_01_sfnt_off0001167d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1167D | 16792 bytes |
font_02_sfnt_off00012e94.binba0c5900c1e55ae6fbdbdf206b35dcb4726eee46eb8491e49519a0f41786848c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E94 | 11208 bytes |
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