MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and ClamAV, indicating it is a phishing or trojan distribution attempt. The document contains numerous links to external websites, many of which are hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The primary attack pattern involves luring users with a fake free download, likely leading to the download and execution of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://philabc.ru/uplcv?utm_term=top+notch+3+third+edition+pdf+free+download PDF link annotation
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607eba0db4529---8187772083.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/91914219525.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a561576ee10---29854570020.pdfIn PDF document text
- http://gagutp.com/sa_upload/userfiles/file/20210609052303.pdfIn PDF document text
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/6a3ba145b4716b4775b1695ae7921b1f/feniwoxupi.pdfIn PDF document text
- http://ahkjt.com/upfile/file/61327766238.pdfIn PDF document text
- https://abofahed.com/userfiles/file/duzopogudugogapezotez.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef53d79c16---xovenibikifaxaral.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16070b14f4ed09---7109199694.pdfIn PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/75197213372.pdfIn PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/33490548790.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6240b99cbb---67153975633.pdfIn PDF document text
- http://drsuthichai.com/userfiles/files/5603527582.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/21272004225.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/dozolomoxupalojusakotawo.pdfIn PDF document text
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/i51bhu80jnrbpsu0bbp0d8bj6e/vofezadaradir.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dbf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBF8 | 5272 bytes |
SHA-256: c77ad7266a18eb4df20a2a993e09595540e8711495330104c67f3617e93e8bc9 |
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font_01_sfnt_off0000edf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF5 | 13584 bytes |
SHA-256: 4a480e0e88dfadb8d3efd1a9557122660d9ef15073af09c4ba69e4f771f925f0 |
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