MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating it likely exploits a vulnerability or contains malicious content. The numerous embedded URLs point to compromised websites and link farms, suggesting a phishing or malware distribution scheme. The file's structure and the presence of multiple external links indicate an attempt to redirect the user to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://mariopresto.pl/userfiles/file/sesesudipodijikivogisife.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/0alps95ijn2eoi0s0s8mfqobo7/lokilafeterajewesu.pdf
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/gipaxewifivosi.pdf
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/b94755c5cd6c78732de5c17dd6c12e2e/kevidogipasanise.pdf
- https://dbjadow.pl/attachments/file/73129946900.pdf
- http://consoles-a-gagner.com/fckeditor/userfiles/file/49909555616.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/44fb34332258bc967b0539c39474131d/jigifonulijaze.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1277c1470---kemepeseputebupuponel.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/beba33107b0fab421ae828f437aaa29e/20584830401.pdf
- http://www.radio-kum.si/data/files/72055579305.pdf
- http://abaj.cz/UserFiles/File/83867370341.pdf
- http://myxroad.com/upload/userfiles/file///jalobiparatuwelilunuva.pdf
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/e4af2f55ada6b706014830cda5928f69/tumuvuguwamufavudon.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c168aeebe5a---lozupibelisover.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/a040457096338bdf09eb10c04a5a3a6a/59062065644.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/j80q5n92a1qg5qo4na99g4r6tt/73309577845.pdf
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/f27e52f678cab55a8080639a8507aaac/vuxokodakazomakexixamoni.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e36d0609e---fafewexunox.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984be8106be---lojuzu.pdf
- http://zkojicin.cz/userfiles/file/fugulusonuzironefurin.pdf
- http://nuocmambason.com/upload/fckimagesfile/3b90c3fcff50832514f5d7c37d9a15d4.pdf
- http://fairview58.org/clients/b/b5/b5cf5456a34e3fefef15e35162a7177a/File/52184063654.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=idle+heroes+promo+codes+2021
- 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_off0000e5c1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C1 | 16792 bytes |
font_01_sfnt_off0000fdd3.bin15e6139b0fa0e58d5274fe039766697f00855f49b70956090ba3fc97ee39a98d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD3 | 17480 bytes |
font_02_sfnt_off00012b9d.bin7e434287539117f98e24882aa4c1fdf8c95a5fd9b8818ad06a7123a87d2e3b05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B9D | 10568 bytes |
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