MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to manipulate search engine rankings or lead users to malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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://pgprojekt.pl/Upload/file/23519571439.pdf In PDF document text
- http://interroadholland.nl/userfiles/file/gunubu.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210915205133_lfh3wi.pdfIn PDF document text
- https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/44368774590.pdfIn PDF document text
- https://debcopharma.com/userfiles/file/48292396169.pdfIn PDF document text
- http://headlinesdinerla.com/uploads/files/4240425340.pdfIn PDF document text
- http://ekachaiguitarist.com/ckfinder/userfiles/files/sexijajarujasopa.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/95de53482e462a7bed91062ced828d18/8147814808.pdfIn PDF document text
- http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/50975580549.pdfIn PDF document text
- https://bacsionline.net/userfiles/file/98276553211.pdfIn PDF document text
- http://lezeckastenakosice.sk/upload/files/50550491639.pdfIn PDF document text
- http://webbolt.fono.hu/data/editorfile/65504627399.pdfIn PDF document text
- https://astdubai.co/userfiles/files/25530346826.pdfIn PDF document text
- http://hwangtosidae.com/userData/ebizro_board/file/85822087252.pdfIn PDF document text
- http://vtvxm.vn/userfiles/file/41450559339.pdfIn PDF document text
- http://klhl.com/userfiles/file/nilakopok.pdfIn PDF document text
- http://alphanaturehk.com/userfiles/file/16089662799.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/rumipiximibojimezapivo.pdfIn PDF document text
- https://colegiumaniucarei.ro/ckfinder/userfiles/files/vonezadof.pdfIn PDF document text
- http://maskaevlawyer.ru/userfiles/file/60247994664.pdfIn PDF document text
- https://sarenpinler.com/calisma2/files/uploads/6432843313.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f478f913ac---jijudukokajo.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e3cde4683---10027291007.pdfIn PDF document text
- https://xn--80ag1a2a.xn--p1ai/files/file/29896192941.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=android+tv+box+steam+linkPDF 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_off0000b2d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000caeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAEB | 17700 bytes |
SHA-256: e9ae183b8e8c288621c3e6d59835b41fa35644f7f799e0360dc8435a47b745ec |
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font_02_sfnt_off0000f6f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F6 | 10792 bytes |
SHA-256: c28008135d2f98780fa963b3db25a0772ad088b6db46d188b2d101b14164a6cd |
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