MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier as malicious. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised websites or disposable hosting, suggesting a phishing or malware distribution lure. The presence of embedded JavaScript indicates an attempt to execute malicious code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://allytemp.ru/uplcv?utm_term=pathfinder+spell+sheet PDF link annotation
- http://closehorses.com/userfiles/file/paxeduzujirepu.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/0085e092019a4aee4513f4d885aee538/91451389026.pdfIn PDF document text
- http://acevina.com/webroot/img/files/fakokubumifubolawepejodu.pdfIn PDF document text
- http://finalstage.biz/js/upload/files/43242880466.pdfIn PDF document text
- http://mkconline.com/landmark/ckfinder/userfiles/files/wawepamavujegegunerik.pdfIn PDF document text
- https://rivieresoceanie.com/ckfinder/userfiles/files/25515566010.pdfIn PDF document text
- https://derya.afmiletisimajansi.info/resimler/files/jukikozowa.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f955423517---nikizerenimejugujezugotus.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/8127041573.pdfIn PDF document text
- https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/newurajebawabazejezam.pdfIn PDF document text
- http://obraz-tlt.ru/userfiles/file/5758089306.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/fezawomep.pdfIn PDF document text
- https://hunde-katzen.at/soubory/devijawan.pdfIn PDF document text
- http://avtosfera28.ru/userfiles/file/zemeguminel.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ca97eaefc---47737335921.pdfIn PDF document text
- http://canxetaidientu.com/images/file/30779333818.pdfIn PDF document text
- http://immodraft.de/images/architekten_agentur_images_/file/pimuroxemilogubadonog.pdfIn PDF document text
- http://sportingfoundation.com/uploads/file/liguxug.pdfIn PDF document text
- http://kirakuramenandsushi.com/uploads/files/disapujutojinafuba.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/161388bd475d9c---jukodetololisewavexoxa.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_off0000f035.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF035 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10847 | 18160 bytes |
SHA-256: 383b575f1111d9a7da7ede5220a3233daebd6c636088795218bcfe80f8d9d250 |
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font_02_sfnt_off000137ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137EE | 10476 bytes |
SHA-256: 2d87c75a34ac2fd69352b6236aecbb85b47e7169999dde6eb0dd4bb73cedf8b0 |
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