MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that form a link farm, with many pointing to compromised CMS uploads or disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://tiendanatacion.com/noticias/files/sutivepadepojixujavem.pdf In PDF document text
- http://skidubravy.sk/spravca/ckfinder/userfiles/files/2622927733.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613041fee948b---lidazoxirajapaziko.pdfIn PDF document text
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210905113741.pdfIn PDF document text
- http://wijnhuis-vaessen.nl/site/data/ws/files/51611548348.pdfIn PDF document text
- http://www.ags-sib.ru/ckfinder/userfiles/files/75931224045.pdfIn PDF document text
- http://tinhdaurosa.com/Images_upload/files/59223673157.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/befd086b2c3bfc7cf78a7dd2721439ea/77097519349.pdfIn PDF document text
- http://olech-rzeszow.pl/userfiles/file/piruwuxezazozev.pdfIn PDF document text
- http://appinaris.net/ckfinder/userfiles/publics/files/vupipesasudedi.pdfIn PDF document text
- https://auditorescr.com/ckfinder/userfiles/files/26884707099.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614231ea61345---rukilefixagajole.pdfIn PDF document text
- http://zerosquareonline.com/file/22232003644.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f91495a03c---xuxadivegipowemekonuba.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613742c167a94---jejepovuk.pdfIn PDF document text
- http://poslovniimenik.net/firme_data/files/mapuwezibumapikaw.pdfIn PDF document text
- http://georgekoldun.com/var/upload/file/rujipiwefakimeg.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/didilunajajodukuvikedasol.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/71681839822.pdfIn PDF document text
- https://faguaflowers.com/images/admin/file/28422799932.pdfIn PDF document text
- http://architettosirocco.it/userfiles/files/dumavigurusatekelem.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/suruka.pdfIn PDF document text
- https://francois-daulte.com/ckfinder/userfiles/files/fesajaninofanugujaxom.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=double+tap+recent+apps+androidPDF 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_off0000dd9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD9D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B4 | 10748 bytes |
SHA-256: 8ca470d6e1719accda8014457028d54d1271e4f45f0c53a23dfed73408ed784c |
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font_02_sfnt_off00010e43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E43 | 17420 bytes |
SHA-256: aebff70212b7b500892fdf26fde25aba2c2c860f045cd3b094b12d772c5af717 |
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