MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable domains. The embedded URLs, such as http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2ad21d170---93638223321.pdf, are likely intended to host or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://anandalaya.in/resources/file/43999744082.pdf In PDF document text
- http://uktohabbarijamalta.com/files/file/57051342906.pdfIn PDF document text
- http://9jamail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/35499510735.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/91093760323.pdfIn PDF document text
- http://alfadent-volg.ru/images_uploads/files/zikanifenigetadevav.pdfIn PDF document text
- http://xn--76-6kca8aqc6c.xn--p1ai/pic/userfile/movuzapadezozo.pdfIn PDF document text
- https://corianderedmonton.com/ckfinder/userfiles/files/sisegusutotawolumuviku.pdfIn PDF document text
- http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/52946081544.pdfIn PDF document text
- http://www.sospapa24.com/lib/ckfinder/imgupload/files/pisowozivaperixeruzo.pdfIn PDF document text
- https://ashasuchikala.com/ckfinder/userfiles/files/tekizevexebizevagubi.pdfIn PDF document text
- https://himarco.ir/basefile/himarcoir/files/wugoxezeriz.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f066f3f636---dapesokutitufetonoro.pdfIn PDF document text
- https://easternresources.net/ckfinder/userfiles/files/wibefapifupiwedixiwo.pdfIn PDF document text
- https://akilanews.com/ckfinder/userfiles/files/52451725351.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161384698d25dd---petajomopawikunexewan.pdfIn PDF document text
- http://skia22.ru/pic/file/83111787297.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/30454393843.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2ad21d170---93638223321.pdfIn PDF document text
- http://shangyi-pump.com/uploads/file/072027296160.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1b3472c19---91879571886.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/5qa3uivh8jcihhp628nk230uf2/92814869413.pdfIn PDF document text
- https://stichtingech.org/ckfinder/userfiles/files/80695038766.pdfIn PDF document text
- http://prime42.ru/userfiles/files/62263946023.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/movinimisiw.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///mitekawin.pdfIn PDF document text
- http://demo-enriquemora.shopcloud.es/ckfinder/userfiles/files/jogenewuruv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=game+mortal+kombat+3PDF 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_off0000dfad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFAD | 10348 bytes |
SHA-256: 904781829909ca574e9cda78f0336ba78fb2c3aa809fec9aa3ed6215b102b0d2 |
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font_01_sfnt_off0000f71b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF71B | 17952 bytes |
SHA-256: 0004391a3a0de6a8fc622c700dfc135c65918c74dbde5de47f55f9b8ea4b42be |
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font_02_sfnt_off00012583.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12583 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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