MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to numerous external URLs, many hosted on compromised or disposable domains. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a phishing or redirection attack, likely leveraging embedded JavaScript for obfuscation or redirection, consistent with T1059.007.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://infrive.ru/uplcv?utm_term=eclipses+worksheet+answer+key PDF link annotation
- https://ajur.rest/uploads/userfiles/file/55088074821.pdfIn PDF document text
- http://illinoislivestock.org/userfiles/file/fawekujijezukudilidagunej.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/7139711503.pdfIn PDF document text
- http://gesht.ru/admin/ckfinder/userfiles/files/xoputapifujije.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a694a857d---99998076957.pdfIn PDF document text
- http://www.bordadoindustrial.com/ckfinder/userfiles/files/kabamojoxafinuv.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/d54b5ee533891961559ac90c908f33e9/11430967710.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b1b306046---tapusoxabomunevefi.pdfIn PDF document text
- http://xn--e42bt3l.net/upfile/files/17324315572.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/t7546jki7pbs81hpr69k70dm04/jagamofanopu.pdfIn PDF document text
- https://nutritie-metabolism-sanatate.ro/app/webroot/files/userfiles/files/xedoj.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1611bcef1695c5---4761492037.pdfIn PDF document text
- http://hilimall.ae/uploads/files/98880206841.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/812197b1c03673da0ad95cd8dba49d99/molewejefikatuzolo.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd93072687b---xovesatalukuvivamevifa.pdfIn PDF document text
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a8a90dedc8---wuvivavodupi.pdfIn PDF document text
- https://learn-atdi.com/uploads/files/verupuribekipavo.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/e7f916b9d282c54a2e8fb2f01ee3f2db/85900851668.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16108f75c9d0b3---4831436124.pdfIn PDF document text
- https://kristinanamaste.eu/files/rixesinu.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a17ae2a97f0---94313526656.pdfIn PDF document text
- http://centonze-vini.com/userfiles/files/keloriratipalosebixolafi.pdfIn PDF document text
- https://pmsp-me.com/userfiles/files/46791262748.pdfIn 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://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_off0000d22c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD22C | 17648 bytes |
SHA-256: 48b143a3fc7af0329b056dd1d6c4c5eb7b57763d67ddcd5919261daecd79d072 |
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font_01_sfnt_off0000ff9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF9A | 10748 bytes |
SHA-256: 84279983bf1239e1c878dcc87d893bf9d965bad79397336762f3b20164def52b |
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font_02_sfnt_off0001185d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1185D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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