MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics strongly indicate malicious intent, likely to deliver a secondary payload or lead the user to a phishing site. The document body, though partially corrupted, suggests a lure related to a 'Letter of intent to purchase land'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://infrive.ru/uplcv?utm_term=letter+of+intent+to+purchase+land PDF link annotation
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/r4b5t3hvu5ac3ukdqmv15uc4g2/71720294088.pdfIn PDF document text
- https://istocdukkan.com/userfiles/files/60577245828.pdfIn PDF document text
- http://avtokit116.ru/!upload/files/7043875608.pdfIn PDF document text
- https://carlojans.com/cms/file/pazuvewiwevowokewufijun.pdfIn PDF document text
- https://prcomponents.com/ckfinder/userfiles/files/42309971334.pdfIn PDF document text
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/84895635669.pdfIn PDF document text
- http://pamatudarbai.lt/ckfinder/userfiles/files/widudavezasikexar.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac82119b8c9---fezijumekazoraruxopij.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ffada202a8---wanemumas.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0a252914b---noriwoxiw.pdfIn PDF document text
- http://btc-ltd.com/upload/file/kifozuzupidilizibu.pdfIn PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/nonanorilebolevedujazi.pdfIn PDF document text
- https://ambulatorioveterinariosismondi.eu/file/52960074193.pdfIn PDF document text
- http://techbis.pl/files/file/buwixofopevonufuguje.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16083314178610---6436724447.pdfIn PDF document text
- https://mps-india.com/userfiles/files/sewazedelirevoganim.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_off0000e60a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE60A | 5184 bytes |
SHA-256: e786710dae53ee4eb4018f2f1ce83e0a1e16b74da3078d28d01779a099cd352f |
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font_01_sfnt_off0000f7aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7AA | 10764 bytes |
SHA-256: 1f997bfb4caf7440569871f3e76a007a32bdcddc2aa65d1d95ca5c4a2fbc0efc |
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