MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS upload directories and disposable hosting, indicating a link farm designed to obscure the ultimate destination. While no scripts were directly extracted, the nature of the embedded URLs suggests a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://aid-calais.com/userfiles/file/908538834.pdf In PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16137ba825aeeb---zudipiwepiv.pdfIn PDF document text
- http://sskj.pl/userfiles/file/33210542866.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f733a19d44---semisisibuzolobuz.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/23509474420.pdfIn PDF document text
- http://capitaldanceacademy.com/userfiles/files/42677269027.pdfIn PDF document text
- http://nbmounts.com/userfiles/file/1631303171.pdfIn PDF document text
- http://expertworker.paraleumarian.ro/app/webroot/files/userfiles/files/volizegipovifunokidax.pdfIn PDF document text
- http://xn--oy2b9bv81anouola.com/upload/file/202109130446475753.pdfIn PDF document text
- http://npi-management.org/ressource/site-image/files/lojetopitorurikebaf.pdfIn PDF document text
- http://challendor.com/fckeditor/upload/file/jexurigipometizosav.pdfIn PDF document text
- http://nhatrangpalacehotel.com/app/webroot/upload/files/52209628586.pdfIn PDF document text
- https://pasarangroup2.com/contents/files/99697508769.pdfIn PDF document text
- http://ankamet.com/userfiles/file/wariviwaxofixita.pdfIn PDF document text
- https://premiersuli.hu/files/files/xutoxo.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/6m8ajp0tubauvvjol0vdr5qooh/26841165961.pdfIn PDF document text
- http://okeefesreef.com/ckfinder/userfiles/files/zuvebosuzuwawetanaj.pdfIn PDF document text
- http://eventclub.pl/userfiles/file/23508343305.pdfIn PDF document text
- https://bocrangsuthammy.vn/upload/files/17677256013.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/5arvshd17613cn6c3u685sv676/18770369620.pdfIn PDF document text
- https://tort-art.ru/userfiles/file/56620360130.pdfIn PDF document text
- http://beautybybelief.com/admin/images/file/72213917836.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327d9122aed---jowefepabomagomumaxofaxun.pdfIn PDF document text
- http://contelex.it/userfiles/files/pidazuzoraje.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=osciloscopio+para+tablet+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_off0000e50a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50A | 10672 bytes |
SHA-256: 9a724a63f1a4568c1bc4d3daa79f0d814f108310b977251081f50c4772dbc5ba |
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font_01_sfnt_off0000fd66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD66 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011578.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11578 | 17748 bytes |
SHA-256: e53f46a2de5a06ca53e13708e8cf8348504afb540b898293210404099824025c |
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