MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and is identified as a link farm, with many links pointing to disposable or compromised hosting. The presence of embedded JavaScript and a high ML classifier score further indicate malicious intent. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggests a phishing or trojan distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://pixomot.ru/uplcv?utm_term=something+went+wrong+the+app+was+not+installed+apk PDF link annotation
- http://showplus.ae/userfiles/files/sopojiduxivoni.pdfIn PDF document text
- http://carnow.jp/js/upload/files/63339096283.pdfIn PDF document text
- http://budgettranslation.hu/sites/default/files/file/36177614532.pdfIn PDF document text
- https://thefertilizerproductionline.com/d/files/86434149191.pdfIn PDF document text
- http://28777886.com/Lpf/UPFILE/userfiles/files/55334037387.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/bsr89a4n9j1hcugtd9neh2fhbn/gisokusivuwulemalokoz.pdfIn PDF document text
- https://aymexco.eu/ckfinder/userfiles/files/vekotitejukolemufubukiva.pdfIn PDF document text
- http://tiszaikaland.hu/upload/file/serabotobovu.pdfIn PDF document text
- http://scsychem.com/upload/files/dexire.pdfIn PDF document text
- http://ozanatalan.com/iboard/includes/userfiles/files/vugisuveja.pdfIn PDF document text
- http://pronobile.de/catalog/file/jakusuxurobuto.pdfIn PDF document text
- http://skoleniridicu-online.eu/ckfinder/userfiles/files/34510809038.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfe647fc1c---58274251678.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/59a577242dfbcf60659c29cacd67256e/bawetojuforawijexisi.pdfIn PDF document text
- https://keiba-like.biz/js/ckfinder/userfiles/files/lovafaxu.pdfIn PDF document text
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/12932108748.pdfIn PDF document text
- http://clinicaveterinariasangiacomo.it/userfiles/files/66218843029.pdfIn PDF document text
- https://www.soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/25475229808.pdfIn PDF document text
- http://harckocsik.hu/userfiles/file/lamutil.pdfIn PDF document text
- http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/lilad.pdfIn PDF document text
- http://zjbfjt.com/upload/files/zukepavenumekalatev.pdfIn PDF document text
- https://mamap.in/ci/userfiles/files/bobota.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_off0000d70c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD70C | 17480 bytes |
SHA-256: 871fa763ba8d8e506bd13313e88629eb57b8f8fa97c39a07c4f5b398c06092a8 |
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font_01_sfnt_off0001042e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1042E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C45 | 11092 bytes |
SHA-256: f61bf59840f5aa9f0be0e9f817bc0fb5dd315713a2e8ecbbe501caf8aeeebe66 |
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