MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to external, potentially malicious, websites.
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://ya-ke.cn/admin/upload/99100744780.pdf In PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f7b933fd0---97575313221.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/zudanefapi.pdfIn PDF document text
- http://creative-format.com/upload/editor/files/74744321518.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c178174ba67---45042281469.pdfIn PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d933dca26c---fanod.pdfIn PDF document text
- https://jdlpartnerss.com/userfiles/file/vedoj.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607064d3abdcd---rasaluv.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c30a3da1a---gexama.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/qs52mfmshr06oclrfeug68rf7n/rizoruxovu.pdfIn PDF document text
- http://targhevaticane.it/userfiles/files/kukaxopixatimibema.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608de07355f9f---43018965368.pdfIn PDF document text
- http://sparkpro.lv/content/file/gijugumufi.pdfIn PDF document text
- http://bezagsecurity.cz/userfiles/83187423092.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/89972d1faea81bd0456688703df67f46/98575000537.pdfIn PDF document text
- https://mn-lawfirm.com/box/userfiles/file/60441781747.pdfIn PDF document text
- http://sushikyototogo.com/uploads/files/23907766335.pdfIn PDF document text
- http://coinmarketsuite.com/ckfinder/userfiles/files/3862226637.pdfIn PDF document text
- http://canphantich.net/Images_upload/files/xutalodebutusutadixe.pdfIn PDF document text
- http://longhornrings.com/clients/0/08/08da48574b41509ac7bedcf2500dc652/File/namikesejalulu.pdfIn PDF document text
- http://savaksangida.com/resimler/files/2356241900.pdfIn PDF document text
- http://nelly-design.ru/upload/files/93577563398.pdfIn PDF document text
- https://careersourceokaloosawalton.com/files/public/luzatilivakil.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/84485898681.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=how+do+you+get+legend+tokens+in+apexPDF 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_off0000e8ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8ED | 17752 bytes |
SHA-256: 4882ad9e4c518d652453bec4b4bc088492685c73a25ef7694d8fda21045f9e59 |
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font_01_sfnt_off0001176f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1176F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F86 | 10952 bytes |
SHA-256: 5032a949cf0aab57b0b85f3f1f66938e642e10f4351da77ea06f73d8d0488d51 |
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