MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML and ClamAV as malicious, with heuristics indicating it functions as a link farm hosted on compromised or disposable domains. The embedded URLs point to various PDF files, suggesting a distribution or phishing campaign. No scripts were extracted, but the structure and URL patterns are indicative of malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://ciaooo.ru/uploades/userfiles/file/nalujoxe.pdf In PDF document text
- http://hkbroadwin.com/userfiles/pijew.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161310b1c4a81a---67160314762.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/pigor.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/dv7lq92lbqcojnl4robi8jjp32/92892576592.pdfIn PDF document text
- http://eikenhorstgroep.nl/userfiles/file/61665674966.pdfIn PDF document text
- https://esperanzadeavila.com/fotos/file/tanizipexevezepumepu.pdfIn PDF document text
- http://sergeisurzhin.ru/ckfinder/userfiles/files/litalofukupafukeparamiwux.pdfIn PDF document text
- https://frutalmente.pt/site/upload/file/7701237512.pdfIn PDF document text
- http://chekeeh.ir/basefile/chekeehir/files/rofomufiwirokesogu.pdfIn PDF document text
- http://hyunshin.net/userfiles/file/54139253363.pdfIn PDF document text
- http://boldogelet.hu/media/kikalibawuribewufep.pdfIn PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/41059368352.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613bdccf3d61e---27055438395.pdfIn PDF document text
- http://lsbwg.com/ckfinder/userfiles/files/20210905/1226188655.pdfIn PDF document text
- http://emiem.pl/public/upload/ckfinder/userfiles/files/46508114336.pdfIn PDF document text
- http://xn--k1akb4c.xn--p1ai/userfiles/file/43722611309.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c94427dee4---xeteriwedag.pdfIn PDF document text
- http://industrialdevices.in/uploads/5211615277.pdfIn PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/bodikovoniwefiwuv.pdfIn PDF document text
- http://bretagne.annuaire-regional.com/ckfinder/userfiles/files/mokikoxavofevekuw.pdfIn PDF document text
- https://mimpishio.com/contents/files/18469204587.pdfIn PDF document text
- http://lyzebrno.cz/userfiles/file/zepazu.pdfIn PDF document text
- http://henghuitong.com/jingkelun/userfiles/files/20210914122926.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=android+apk+com+downloadPDF 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_off0000b091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB091 | 14792 bytes |
SHA-256: 876e8a493234e4d9dfbf8f8d389dd8e720b8a4aaf1a5384aa9d5d537febfdbeb |
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font_01_sfnt_off0000d5a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000edba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDBA | 10436 bytes |
SHA-256: 85ae2fc9e8da0cffee9f2ae078c68aa192422e62c3ed1634a8a366e4b8d6ca77 |
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