MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. Numerous heuristics point to the PDF acting as a link farm, redirecting users to various compromised WordPress sites and disposable hosting domains. The embedded URLs suggest a phishing or malware distribution scheme, likely delivered via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://oniceh.ru/uplcv?utm_term=blessing+and+honour+glory+and+power+be+unto+the+ancient+of+days PDF link annotation
- https://braveathlete.net/geektic/files/17429505660.pdfIn PDF document text
- https://confidence-ist.mktechsol.com/ckfinder/userfiles/files/lusubanugudibifozij.pdfIn PDF document text
- https://profix.fr/ckfinder/userfiles/files/13422803610.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20210902092806.pdfIn PDF document text
- https://www.chablis-gautherin.com/ckfinder/userfiles/files/23418174226.pdfIn PDF document text
- http://kangmeideyiliao.com/uploadfile/file///2021090220301559.pdfIn PDF document text
- http://cistenivytahu.cz/upload/file/febipanuzisemenu.pdfIn PDF document text
- http://thietkewebsite.btccorp.vn/uploads/files/sajugapexe.pdfIn PDF document text
- https://www.bakkersvlaanderen.be/resources/plugins/ckfinder/userfiles/0/files/49087108421.pdfIn PDF document text
- http://naszemotyle.natura2000.pl/imgturysta/files/zojenapafirujewag.pdfIn PDF document text
- https://datatalk.ilvzhou.com/upload/files/2021/09/202109030836093226.pdfIn PDF document text
- http://aumnat2car.com/ckfinder/core/connector/php/upload/files/mexuwotorumagex.pdfIn PDF document text
- http://food-cloud.com/home/food-cloud/www/site/site/data/files/dopiposugagamusedufasito.pdfIn PDF document text
- http://studiofranzoni.eu/userfiles/files/duxiwiw.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613b999d8d53e---78267138106.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613783fa137b2---70587584985.pdfIn PDF document text
- https://xanbiente.de/userfiles/file/wulizule.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/8b5572b70c2a89d7b93e1fc4359bd332/57755343825.pdfIn PDF document text
- http://sotel-perm.ru/site/file/zedibag.pdfIn PDF document text
- http://kjphotocon.org/data/userfiles/files/82015467904.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161410dfe83e08---rivepibo.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/c4b4f697c8b997dc68e0c24d5194f7bc/36162036275.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_off0000bb9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB9A | 16956 bytes |
SHA-256: e619ed4383c13da807591ae53c4af1920cf42d230eccbfb28958efe9a29f42bc |
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font_01_sfnt_off0000e78c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE78C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ffa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFA3 | 11392 bytes |
SHA-256: 1ab64967a4bb053c7ac3051ed2c3bef17e23ec237c2068e674710ebe6c77f1dc |
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