MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and a large number of external URIs, many of which are part of a link farm hosted on disposable or compromised domains. The heuristics indicate a phishing and link farm pattern, suggesting the PDF's primary purpose is to redirect users to malicious websites. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://drafthe.ru/uplcv?utm_term=drupal+webform+pdf+tutorial PDF link annotation
- http://osoboebludo.com/ckfinder/userfiles/files/xumelavejitixasebokodem.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbb7ce78fb---18897383398.pdfIn PDF document text
- http://dvg.asia/ckfinder/uploadfiles/files/78459492464.pdfIn PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/95520855534.pdfIn PDF document text
- https://arhometutor.com/userfiles/file/30676261231.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/9a3a055285eaf1603312347bdec2835a/15811461612.pdfIn PDF document text
- https://cezartravel.hu/userfiles/file/simofesojerinigov.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c447f0813b2---batapu.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160b73dfcdfbd1---witubaxazifojo.pdfIn PDF document text
- http://ecohort.com/userfiles/files/23005821145.pdfIn PDF document text
- http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/7706451270.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/9799873237.pdfIn PDF document text
- http://rutka.pl/media/upload/files/95f776ca2e3a04710b6376229dbec9e9.pdfIn PDF document text
- https://ducthai.vn/userfiles/file/milotalulirepew.pdfIn PDF document text
- http://sugarfree-gelato.com/upload/file/12601234995.pdfIn PDF document text
- http://kartelabasligi.com/images_upload/files/suvosotomulovefomotuvi.pdfIn PDF document text
- http://elektrostroy.kz/ckfinder/userfiles/files/38158103087.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/7ea16e66a0fea8c1879e445694ef3311/70604960934.pdfIn PDF document text
- https://dreamscapes.ca/dream_scapes/userfiles/files/92140598434.pdfIn PDF document text
- http://amghanoi.com/images/ckeditor/files/29529609291.pdfIn PDF document text
- 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_off0000d337.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD337 | 17792 bytes |
SHA-256: 13d63b2125a9c8f1b33a92ea2cb98b72cf5a4a2b83de7def3418877d0f4a1297 |
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font_01_sfnt_off0001019e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1019E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000119b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119B5 | 10712 bytes |
SHA-256: c4dbe7a3a8e8874307451b5fcc06d9b5e4824ea6576399d03d576a07834b8947 |
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