MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The file contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm characteristics strongly suggests a phishing or malware distribution campaign.
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://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/jc01te3ijt70s3looqlubvfeq1/jotuvujuvuxe.pdf
- http://medob.org/SITE/files/editor/file/lavegovutev.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c734f43925d---1188825024.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0360fc54e4---70360623360.pdf
- https://harkakotony.hu/UserFiles/file/72494954880.pdf
- https://louvre.lv/res/wysiwyg/file/lubonenesavefit.pdf
- http://dj-venci.com/uploads/pages/files/86411674232.pdf
- https://a2designbg.com/userfiles/file/keruvifedamatote.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/hhd7skb6ab2rrnjkfmgsj7osv4/5179388602.pdf
- http://maxidmum.com/images/upload/fck/file/51210241331.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/sj1p4da5qhfkjf21qd6tfih52o/ritatop.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba834f74689---92660194481.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607121592841e---julomidafunoxutiz.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/b2aeaefa45526a666c8a09b473137216/zikitapimujumuzit.pdf
- http://www.hermosabeachbungalows.com/userfiles/files/nazosapirajo.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/4qrg54qa2hmisan7v39bql8v6t/dusixobererunojubagolivi.pdf
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/771669cf4550d00e7da7a567904fb3ee/getikagiz.pdf
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160942738bb5f6---35774328359.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a8045b560---kugijixuxamovitetexigobaz.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/bcbtk11cppp0degk95pvnoedd2/melorotovewogipu.pdf
- http://cuatro-pr.org/sites/default/files/file/lijemirerunujur.pdf
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16093aa9651e2d---duwizidugotevun.pdf
- http://nirmalamathachurch.org/cms_uploads/image/file/vimimizewifozegakipal.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=ejercicios+de+decimal+a+fraccion+resueltos
- 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_off0000ed4d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4D | 16792 bytes |
font_01_sfnt_off00010564.bin56a1d4fb1788cf962fba13a8d2dc2e9f054f5689b89131db81251978d1e38f25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10564 | 10852 bytes |
font_02_sfnt_off00011e5b.bin20454807870b45b5d2962a5e8a25445b983f30dc42c40560684c370632fe68b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E5B | 18640 bytes |
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