MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and link farms indicates an attempt to lead the user to a secondary malicious resource, likely for phishing or further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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://mcutech.net/files/51292281634.pdf In PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/rkj7hfcjb40n4cb3vv2gfj3qlu/99793147318.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/vefubexuvotagizexi.pdfIn PDF document text
- https://hagakure.by/upload/editor/files/bisixitebome.pdfIn PDF document text
- https://greenboo.vn/uploads/files/45941452434.pdfIn PDF document text
- https://viboot.com/ckfinder/userfiles/files/vefij.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/51325537083.pdfIn PDF document text
- http://maybaobidinhdinh.com/upload/files/62285806333.pdfIn PDF document text
- http://bularz-auto.pl/images/userfiles/file/dokepanawelamalerepugexe.pdfIn PDF document text
- http://blossomtour.net/FileData/ckfinder/files/20210909_080B282B02FC9251.pdfIn PDF document text
- https://maintogelonline2.org/contents/files/kuwidezejo.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/ebkduv1himr2adlk31k0v0qfcu/nafanokojetubufuladi.pdfIn PDF document text
- https://jamurgoreng.net/contents/files/67346428683.pdfIn PDF document text
- http://slsnn.ru/content/files/39360380598.pdfIn PDF document text
- http://thuonghieutoancau.vn/uploads/files/xadakubivewi.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161428626abc41---58061533811.pdfIn PDF document text
- https://isosklo.cz/uploads/palojopemiwebuvegezek.pdfIn PDF document text
- https://www.xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/8387955175.pdfIn PDF document text
- https://fisheaglesafaris.net/pics/user/file/xibafotefarijusogeno.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/beborijogur.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a8796692c8---penim.pdfIn PDF document text
- http://faurau.com/luodan/images/userfiles/file/56546758741.pdfIn PDF document text
- https://securitydm.com/slicice/file/sipokosagovukukiwi.pdfIn PDF document text
- http://shyjjc.com/v15/Upload/file/2021951358321015.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/josuk.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=bhagwat+geeta+pdf+in+sanskritPDF 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_off0001a954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A954 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001c16b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C16B | 10840 bytes |
SHA-256: 458728fca9f46b3e797ff7494dc3a20696f4ca5a41131eed0ed7759ca3c03239 |
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font_02_sfnt_off0001da46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DA46 | 24608 bytes |
SHA-256: f2e1a30f6afaa0934ba9bb183f44d5c21f4fdace0139d0bf9544007c232b26a7 |
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