MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://archism.ru/uplcv?utm_term=mobileye+eyeq4+datasheet+pdf PDF link annotation
- http://rockhouseschool.com/rockhouse/uploads/files/80563069167.pdfIn PDF document text
- http://alexandraharris.com/clients/36054/File/2284197290.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074ca6a703e4---sotimukisimeziwip.pdfIn PDF document text
- http://autovoda.ru/upload/files/22384430560.pdfIn PDF document text
- https://thehouseconcert.com/ckfinder/userfiles/files/nadenorapukujevusarukonop.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/76075132516.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a65f36474dc---49073532979.pdfIn PDF document text
- http://appli-veolia.net/ckfinder/userfiles/files/62817160512.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b299c7aacf1---pewuwutixogoget.pdfIn PDF document text
- http://thailaundry.com/imgUpload/files/84909472009.pdfIn PDF document text
- https://p1gtac.com/uploader/files/1422626498.pdfIn PDF document text
- http://webinaris.eu/ckfinder/userfiles/publics/files/38731073332.pdfIn PDF document text
- https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/6cb928f9a61afeae91e1b3624dc88b33/96368663319.pdfIn PDF document text
- http://sns-russia.ru/userfiles/file/39953390139.pdfIn PDF document text
- http://supermarketdv.ru/files/file/rulobedinopumupamunetor.pdfIn PDF document text
- http://dioceseofniranam.org/userfiles/file/14297767638.pdfIn PDF document text
- http://kuppersbusch.hu/userfiles/files/1693106579.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a26529d07---sonaxuwidetagegafezaderuw.pdfIn PDF document text
- http://antasboru.com/guvennet/resimlerfiles/71189365947.pdfIn PDF document text
- http://zlato-invest.cz/upload/files/fadaborafasaxawanopujak.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/e4baf857e076988db58cae09808fc68a/pevimujofakina.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/iqecm6856lkic35l9m57bthvng/58777454306.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/vfg6evulctr9dp1dnsrs9vdie1/gagesusegajatikatefigezur.pdfIn PDF document text
- 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_off0000bcbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d4d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4D5 | 10864 bytes |
SHA-256: bbc9d43f0ab82eab39a0a6fae28afa810e2f414d6b8c2e98d9d3b8cfa1bf356a |
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font_02_sfnt_off0000edaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDAF | 16592 bytes |
SHA-256: f83458b2e99771705c704371e3cb8094d603e1564be53fb21260016f637383c2 |
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