MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple domains, some of which are hosted on compromised WordPress sites or appear to be disposable. The lure of a 'human resources books pdf free download' is used to entice users to click these links, which likely lead to further malicious content or exploits.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://binarbaidservices.com/public_html/userfiles/file/68342716872.pdf In PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/1e43dbd903e0f9f4b5b7191ce1c28e51/zezegiwexi.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/81267441428.pdfIn PDF document text
- http://debden.org/userfiles/file/doludevawuxufemixoguvem.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/0btvafuoj3cvg7100qkanmtl52/20498199729.pdfIn PDF document text
- http://jp-cable.com/d/files/19863562973.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/tj4d2kk2kgjamrkojhdl1e31u1/bijedogo.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c745247341---95654919732.pdfIn PDF document text
- http://nickels.design/ckfinder/userfiles/files/dekajedipowe.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9911f7c5a1---82683455433.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a12af7b9393---4414995247.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608863bb413b8---87299701058.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/39f2bb365fca3dfdae38d05988fbc642/sisolifovulemabuku.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1608a48729a750---60847929079.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/69tbv6cimbd5pjddmaeo9s2q04/vaxodejuze.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=human+resources+books+pdf+free+downloadPDF 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://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_off000264e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x264E8 | 5560 bytes |
SHA-256: 2e8705f42e54c257d1023e15d0ad2751c0234f9bf17e4d918a35559ee6101528 |
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font_01_sfnt_off000277c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x277C2 | 11056 bytes |
SHA-256: 11fae8355f8ab8d2fa720159080c22762507d22977dd0618324af59d71a9ff77 |
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