MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, indicative of a link farm used for phishing or malware distribution. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. Although no scripts were explicitly extracted, the nature of the links and the heuristic firings strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://philabc.ru/uplcv?utm_term=latest+edition+of+apa+referencing+style PDF link annotation
- https://pmapmc.com/userfiles/image/files/zarufepawebaperufafu.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/e91bb589728fcea0b4a2a612bf911a29/16809046732.pdfIn PDF document text
- https://fivetc.net/uploads/files/48714672251.pdfIn PDF document text
- http://desiaussies.com/ckeditor/uploads/files/7278477450.pdfIn PDF document text
- http://ntvietnga.com/upload/files/81315755081.pdfIn PDF document text
- http://stamforgtechnologies.com/uploads/kuporika.pdfIn PDF document text
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/59300018891.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613ffccadab1a---mituxo.pdfIn PDF document text
- http://refah4ter.info/basefile/hotelrefah4terir/files/6619052442.pdfIn PDF document text
- https://marljivo.hr/UserFiles/files/kegosatijojame.pdfIn PDF document text
- http://flairpens.ru/uploads/files/10444939827.pdfIn PDF document text
- https://dichocungtoi.com/userfiles/file/timebinumopatim.pdfIn PDF document text
- https://palezieux.com/ckfinder/userfiles/files/74245855804.pdfIn PDF document text
- https://fetogram.ir/images/upload/files/forafareziwuloxedopedul.pdfIn PDF document text
- https://faceless.me/userfiles/files/lobojefelapolikumo.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/221f11b9dbdc1340a59ef794f247b0e7/76658348277.pdfIn PDF document text
- https://interference.ajoda.eu/userfiles/files/setagobameraziwowanute.pdfIn PDF document text
- http://kezmosas.hu/files/file/47110854305.pdfIn PDF document text
- https://doucetplasticsurgery.com/ckfinder/userfiles/files/bamapoku.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/55451277511.pdfIn PDF document text
- http://thaimassagemodel.com/ckfinder/userfiles/files/nuvukaxaxidugarunukelunat.pdfIn PDF document text
- http://aotwresort.info/ckfinder/userfiles/files/fizasaxibitojitejada.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_off0000d595.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD595 | 18484 bytes |
SHA-256: 73e8ef743659ff4f8cda20334a86b16654d4ed3eecc4b17999707aef33ad986c |
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font_01_sfnt_off00010527.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10527 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D3E | 10868 bytes |
SHA-256: ce0715b75412d48520c5034d1da18132902dec6c510e697cfb75a78e11f4b427 |
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