MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users. The presence of 'utm_term' parameters in some URLs indicates a potential SEO manipulation tactic to improve search engine ranking for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1610f65801d42c---bafesikabipu.pdf In PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100485b4c94d---sonaxizodebenifelexe.pdfIn PDF document text
- http://ahsaipu.com/v15/Upload/file/2021581827228694.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb267e2765---788654642.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/7ba5bb1f61dede71be12df87e953e4f2/44533378067.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/19103612202.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/87294611930.pdfIn PDF document text
- http://master-br.ru/img/file/61250190070.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc76f27bfb4---54351882406.pdfIn PDF document text
- https://btegypt.com/file/33204697643.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/4267417691.pdfIn PDF document text
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/mrsa6esna8rlc4firc30ojogeh/92968405115.pdfIn PDF document text
- https://avflash.nl/upload/files/92714263004.pdfIn PDF document text
- https://gppacdatabase.net/userfiles/file/33152133366.pdfIn PDF document text
- http://dilimkebab.com/userfiles/file/dorak.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/ttqs09l046b0un6fmuh87pgc35/597523538.pdfIn PDF document text
- http://gediklimakinahidrolik.com/resimler/files/poxawumedoniwikan.pdfIn PDF document text
- https://visualarchive.bg/files/binozuluzerumovipe.pdfIn PDF document text
- http://secretinvitation.net/images/files/54769691510.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/f31suhqjdstfjaiaf29t151i35/42019041323.pdfIn PDF document text
- http://primaria-ciocirlia.ro/media/file/48877824905.pdfIn PDF document text
- http://arohitourandtravels.com/userfiles/file/jadetewimuka.pdfIn PDF document text
- http://richwoods1969.com/clients/861079/File/kanuxuxaweboma.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=edexcel+igcse+english+literature+anthology+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_off00010c8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C8C | 18536 bytes |
SHA-256: 489fa41d53adabb8272a0c56f5d2cc3bf1b9b68f7fe697e96a88b95fecf8bc75 |
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font_01_sfnt_off00013cea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CEA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015501.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15501 | 11196 bytes |
SHA-256: 8e626c7246d0c546a3e9fcfad62eafcc9989dd6407727e5c075802db15436bcb |
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