MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URI heuristics and link farm detection rules further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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 http://inarchengineering.it/userfiles/files/60965354001.pdf In PDF document text
- http://acevina.com/webroot/img/files/nawemavusewa.pdfIn PDF document text
- https://wonkingchina.com/d/files/ludojuvezu.pdfIn PDF document text
- http://shinies.ru/img/lib/file/womadadimerugisovipixux.pdfIn PDF document text
- http://rrbrentacars.com/files/others/50011360624.pdfIn PDF document text
- http://dirpub.org/editor/ckfinder/userfiles/files/37760970781.pdfIn PDF document text
- https://vetregistr.com/ckfinder/userfiles/files/vebezibezijutoxuvofaze.pdfIn PDF document text
- https://atlaskvartir.ua/data/uploads/files/nijixutuxufuji.pdfIn PDF document text
- http://studioaeditecne.it/userfiles/file/86251692097.pdfIn PDF document text
- https://floraplant.gr/FCKeditor/userimages/file/33495275492.pdfIn PDF document text
- https://unaizahic.com/Files/files/49914631056.pdfIn PDF document text
- https://sieuthimayphat.com/ckfinder/userfiles/files/xasegevel.pdfIn PDF document text
- https://samsunyapi.com/userfiles/files/34842376642.pdfIn PDF document text
- http://bolshunoff.ru/images/wysiwyg/file/foronejubirubezifo.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613db661b2d57---9509147111.pdfIn PDF document text
- http://tlumacz-bialystok.pl/pliki/file/3638708677.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/5030af29fd55d1c63e4b6e6ec27fa075/sadarodixapifujef.pdfIn PDF document text
- https://palezieux.com/ckfinder/userfiles/files/17335412668.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/4afc22c16e3f6c3adc166dbc9d5e7111/nanasevoza.pdfIn PDF document text
- https://birutelorasin.com/contents/files/kibivow.pdfIn PDF document text
- http://cuacuongiare.vn/upload/files/11710351757.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=advantages+of+artificial+intelligence+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_off0000c056.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC056 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d868.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD868 | 19272 bytes |
SHA-256: 2eefe3b7cfedb18e333953c33763b488abb0739f28cce2456863f74642346cc9 |
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font_02_sfnt_off00010aa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA1 | 10844 bytes |
SHA-256: f87007a31e53d992039b319e832ecb79be250913749041652bb9d5bd64cf9557 |
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