MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised CMS uploads and disposable hosting domains, indicative of a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, likely as a phishing or redirection lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://gruppocreta.com/userfiles/files/sivibaw.pdf In PDF document text
- https://associazionedynamica.it/uploads/file/fiwarunafefalux.pdfIn PDF document text
- http://weiken-rc.com/upload/files/wudega.pdfIn PDF document text
- http://thietbidienmpe.net/upload/files/diboxomozaragofu.pdfIn PDF document text
- https://hongmao.tw/uploads/files/202109122117224606.pdfIn PDF document text
- http://hakanhurdacilik.com/userfiles/file/mudilapaj.pdfIn PDF document text
- http://alteredcompta.com/buddha/ckfinder/userfiles/files/taxetosoli.pdfIn PDF document text
- http://batistar.fr/userfiles/file/67602898435.pdfIn PDF document text
- http://thegioioto.store/upload/files/vefabiwizuwivigi.pdfIn PDF document text
- http://mazurubezpieczenia.pl/zdjecia/fck/file/galonagasotitimedevoda.pdfIn PDF document text
- https://foodvellythailand.com/upload/files/zoxasojavag.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/88873949743.pdfIn PDF document text
- https://btcauction.vn/hinhanh/file/77026754648.pdfIn PDF document text
- https://wcfkenzi.com/ckfinder/userfiles/files/kulobiweregoxekefar.pdfIn PDF document text
- https://rarahil.org.np/ckfinder/userfiles/files/30675071504.pdfIn PDF document text
- http://acudrved.com/ckfinder/userfiles/files/mubumedisope.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/gujofomupirimaresobew.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/81a6967149e2484b711caf9acae1371f/4300052588.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329d0337701---14487689298.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/67993903055.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346d51d6dfb---pugoki.pdfIn PDF document text
- http://zbraneklapka.cz/ckfinder/userfiles/files/14660183598.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=real+pool+3d+androidPDF 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_off0000d628.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD628 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3A | 17480 bytes |
SHA-256: 7f3a3bf6e58f440c35f984b0c39b9f1d794926944e4c4a4e0ca7bb74c96c5bf4 |
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font_02_sfnt_off00011c02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C02 | 10336 bytes |
SHA-256: e6960df95b31fe9e5f3a6280834fb323d8a7118d5a9883e7e2feafa852577cb3 |
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