MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting, likely intended to redirect users to malicious sites. The presence of multiple distinct hosts and a high number of links per host suggests a coordinated effort to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://dmkert.hu/files/file/dusefizuxus.pdf In PDF document text
- http://petswithlove.com/cvsprojects/SSK/Source/2.0.0/images/files/zipana.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/33f4f15d1b9756078bea6351b39b31aa/20578465070.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/617f760fa4f327c8b16a5c5716c17d36/josafipapap.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c96e3566a1b---sozadaramituronixevigi.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/suwovuvuzujijudosuxu.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e44390a5de08f1a73e5b78863c750be4/42930112252.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077d8d4b2c3a---17048843414.pdfIn PDF document text
- http://studiolegalezullo.eu/userfiles/files/pinabakazixeg.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfde9677371---26934410343.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/3a6lhdvtj764nhm91n5952ffht/47235886137.pdfIn PDF document text
- http://hglobaltour.com/FileData/ckfinder/files/20210602_71F3CEC173C9DF4C.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/aff24j8do9sm3oc0kpi2s7lia8/getibi.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/r7r0c38j0h1lcgs6531h2jcoh6/26458392311.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/vopane.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160abb6c4e23b5---52802394438.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/fisogagalinexisel.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/1281842754.pdfIn PDF document text
- http://weingut-suppan.at/files/5966169743.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/5615214673.pdfIn PDF document text
- http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/1365657192.pdfIn PDF document text
- http://janandpoos.com/clients/872640/File/31731946103.pdfIn PDF document text
- http://nonstopsushi.com/uploads/files/65158153451.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f00c7e3409e---83281151961.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f419e102f4---xizifumeviludabe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=norse+myths+neil+gaiman+pdfPDF 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_off0000e3e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E7 | 18032 bytes |
SHA-256: 3c2f5c827decbbf4e6df074526b616d990c026efbcbed97d1b1d2de4e88fca32 |
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font_01_sfnt_off000112cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012ae2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AE2 | 11036 bytes |
SHA-256: 82f4e595515020152468d869a3afa6a48b5973e73ce9d3a5f04fe0c79fe165a2 |
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