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, indicating it likely exploits a vulnerability or contains malicious content. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised or disposable domains, suggesting an attempt to redirect users to phishing sites or download further malware. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://ans5680.preneed91.com/upload/files/tonubudefamawupe.pdf In PDF document text
- http://airmon.hu/images/files/24154287018.pdfIn PDF document text
- https://tractorpulling-emmeloord.nl/upload/file/depodoruf.pdfIn PDF document text
- http://obkladacstvikolar.com/content/sufezarezume.pdfIn PDF document text
- http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mutegukakilovefolokegi.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145aeda03341---84213910180.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/6he9g6dlinn1a0kp3m175pmln0/87941428674.pdfIn PDF document text
- https://supermagnum-bg.com/userfiles/file/8422761434.pdfIn PDF document text
- http://pharmorgsyn.com/upload/files/78282193169.pdfIn PDF document text
- https://www.disbel.es/ckfinder/userfiles/files/27785139084.pdfIn PDF document text
- https://777mto.com/contents/files/vijuxevumim.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/161506c05a491c---38106083588.pdfIn PDF document text
- http://studiogeologicotrilobite.com/userfiles/files/wuroginejetakuj.pdfIn PDF document text
- http://yuqiaohome.com/uploads/files/202109170754574803.pdfIn PDF document text
- http://giasuminhtam.com/Images_upload/files/rilarasuxidojafajejip.pdfIn PDF document text
- https://reazfarah.com/ckfinder/userfiles/files/kozafu.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614d9358d00fe---21448837445.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210914134951_sd8tt1.pdfIn PDF document text
- http://vet-spb.com/userfiles/file/17976825609.pdfIn PDF document text
- http://www.aamuhsv-madisonalumni.org/files/files/54592303687.pdfIn PDF document text
- https://edex.co/userfiles/files/23563861989.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/9d243d05da48af154a9642d772d89595/tabibedokudupemuse.pdfIn PDF document text
- https://larrialdiak.es/files/galeria/files/mojus.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/nitefubuwisarapuzi.pdfIn PDF document text
- http://unionnutritech.com/upload/files/kafekewurovew.pdfIn PDF document text
- http://bundoreh.com/fckeditor/files/file/degosofezevegoxaziwit.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614dea08a1abe---bumuwavobe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+do+i+create+a+folder+on+my+phonePDF 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_off0000b6e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cefc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEFC | 10908 bytes |
SHA-256: a9a0879faeb0e0957545f5e8b3c8bf7f3e37fc2b3d03ee2d251abd2cf2a1b115 |
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font_02_sfnt_off0000e7fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FD | 17208 bytes |
SHA-256: e57d2ec7c4e523ffc745c98d25d3f729a28811391ec529ef6352af51f5c874e3 |
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