MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains a link farm pointing to compromised CMS upload storage and other disposable hosting, suggesting a phishing or malware distribution scheme. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate it's designed to redirect users to malicious sites, likely as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/vf3a6sojq8hqvbnti4tq83va5p/35009798017.pdf In PDF document text
- http://namthangbasaltstone.com/uploads/image/files/67145771320.pdfIn PDF document text
- http://sanalights.com/admin/admin/uploadfiles/file/wivowaditilejope.pdfIn PDF document text
- http://valdhans.cz/userfiles/file/konejakaxumed.pdfIn PDF document text
- https://agrocare.ro/ckfinder/userfiles/files/rutelopedojizar.pdfIn PDF document text
- http://lobanowscy.pl/userfiles/file/xiruximobus.pdfIn PDF document text
- http://nsdadventist.org/FCKData/file/49809719902.pdfIn PDF document text
- http://ilonew.tasksplan.com/ckfinder/userfiles/files/rirapizesa.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/buwiwupedafiwetomoxusip.pdfIn PDF document text
- https://dichocungtoi.com/userfiles/file/siwikatenajugagudoruke.pdfIn PDF document text
- http://celyroknaterase.sk/editor_uploads/system/files/88065262549.pdfIn PDF document text
- https://diphong.com/uploads/vekob.pdfIn PDF document text
- https://brs.jo/userfiles/files/2909762826.pdfIn PDF document text
- http://nfrostov.ru/upload/files/ziwawakonasi.pdfIn PDF document text
- http://modernplating.com/userfiles/file/85637426111.pdfIn PDF document text
- http://vanguardhungary.hu/userfiles/file/givipogovasasir.pdfIn PDF document text
- https://spa-salon.ru/ckfinder/userfiles/files/15917944517.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16138a41312603---wivagosagakerotirileli.pdfIn PDF document text
- http://gelateriacool.it/userfiles/files/59862842513.pdfIn PDF document text
- https://energooptima.hu/upload/File/dabekolijesesi.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/3eebd9851b57593bfe994715f3526d39/65017871083.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///4836668127.pdfIn PDF document text
- https://quatcongnghieput.com/uploads/files/89155372196.pdfIn PDF document text
- http://cuanhuadanang.vn/uploads/image/files/saboratobiki.pdfIn PDF document text
- https://vegas-shop.net/uploads/files/53465370104.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=fts+games+free+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_off0000e278.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE278 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA8A | 18028 bytes |
SHA-256: 088045364377687042fc5a8a2f6b8b981764047af167b50791bca44f3e8eb3d5 |
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font_02_sfnt_off0001294c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1294C | 10668 bytes |
SHA-256: 7deaa592b01233a3181536cf6b6a191a4b3e5cbd326b0d397f2c0afe85fd4970 |
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