MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised websites and link farms, suggesting a phishing or malware distribution scheme. The PDF structure and embedded content are consistent with attempts to disguise malicious links or exploit vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://cructi.ru/uplcv?utm_term=different+types+of+silk+clothes PDF link annotation
- http://ancient-theater.gr/media/file/mugimiba.pdfIn PDF document text
- http://demirlermetal.com/resimler/files/sutebukon.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1607785d0dfa19---2211231468.pdfIn PDF document text
- https://heuresromantiques.com/upload/files/71974035732.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/vebelowuxejibuzibonewirud.pdfIn PDF document text
- http://webcertain.asia/contentupload/fckeditorUploads/organization_/file/sabun.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f9f74fb85---midopoj.pdfIn PDF document text
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/uf6l2a44sqeqt0tlrfmtgqsa91/29590422204.pdfIn PDF document text
- https://gregoryshow.ru/files/file/67837878580.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/e6bf60bcef133ce68273a715ef05396b/4011708376.pdfIn PDF document text
- http://xn--80aaaaaikdebj9ccf1ayja1b5a3q.xn--p1ai/ckfinder/userfiles/files/88438691517.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608ece8f1fb99---41235285615.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/juxedokisasefapisinenezu.pdfIn PDF document text
- http://daehwa.info/uploaded/file/wijubet.pdfIn PDF document text
- https://nakatarikaszel.pl/app/webroot/userfiles/file/70234413318.pdfIn PDF document text
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/20990978156.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/juwaguworakafuw.pdfIn PDF document text
- https://netwindowvn.com/uploads/userfiles/file/kegorujunazi.pdfIn PDF document text
- https://www.pharmawell.eu/ckfinder/userfiles/files/59915213540.pdfIn PDF document text
- https://bauarch.bg/files/rilebupama.pdfIn PDF document text
- http://thecreditcrisis.net/clients/73966/File/50122206726.pdfIn PDF document text
- http://shimoltd.ru/images/file/39847453786.pdfIn PDF document text
- http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/89855303951.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_off0000c8e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e0f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F3 | 14892 bytes |
SHA-256: 869734f3e37e9e832fcf67eb6cc6ffd4ee57e2a0b70f8c76b0297ff8f4d55520 |
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font_02_sfnt_off0001067e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1067E | 10620 bytes |
SHA-256: 5c53cc84995e26df47607862475c7b46607e42941a2c3f1d4967b483a8fd73dd |
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