MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://safarekhoob.ir/basefile/safarekhoobir/files/fifete.pdf In PDF document text
- https://sofahatinh.com/upload/files/kosefomuxiwa.pdfIn PDF document text
- http://4chan.ro/UserFiles/file/4851590201.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1614110de77135---10601574664.pdfIn PDF document text
- http://autavrabek.cz/obrazky/file/gukujavemabipazu.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613c14d0051bf---84109329149.pdfIn PDF document text
- http://praguynakorn.com/praguynakorn/picture/datapro/files/zadijasidewotugal.pdfIn PDF document text
- https://sukhayurveda.in/userfiles/file/woleluzazepipon.pdfIn PDF document text
- http://stluciachamber.org/uploadedImages/contentImg/file/vadusim.pdfIn PDF document text
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/45716359768.pdfIn PDF document text
- https://umutisi.com/umut/upload/files/xavibenawuwawonubetol.pdfIn PDF document text
- http://paneldeconso.com/userfiles/file/76689530181.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/ue0ttdki8bg1l9k0j8pqpg0mug/dejirupunefexirakapebako.pdfIn PDF document text
- http://tw-sincere.com/upfiles/editor/files/73549583376.pdfIn PDF document text
- https://mogilew.ru/userfiles/file/tapijasinirudawezaponekel.pdfIn PDF document text
- http://ieeepes-thailand.org/app/webroot/files/files/zudisilitaximi.pdfIn PDF document text
- http://tauroconsulting.pl/userfiles/file/votapixofotojakudevudek.pdfIn PDF document text
- https://recrut.com/files/files/wimigolaxamelopifofebal.pdfIn PDF document text
- http://leylatoprak.com/userfiles/file/sibipawezizilinaveneleza.pdfIn PDF document text
- https://cvsc.co/userfiles/file/49473230918.pdfIn PDF document text
- http://finchamauto.com/pics/88106612762.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-9-4/20210904152337320819.pdfIn PDF document text
- https://sangolongphuong.vn/longphuong/news/files/63158562785.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=how+do+you+unblock+a+site+on+chromePDF 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_off0000c3ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dbc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC0 | 17296 bytes |
SHA-256: c6b6b3765834c4dcae5ac9a7fff6cae3e8d91d59c40a71aec995fabee23c92e4 |
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font_02_sfnt_off00010852.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10852 | 11156 bytes |
SHA-256: 4eb2c43cc1befcef5f042eb2c69c064084059856caa030bd61f59769364579f6 |
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