MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The file also features a large number of external URLs, many of which are hosted on compromised WordPress sites or disposable domains, indicating a likely phishing or malware distribution campaign. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://wastran.ru/uplcv?utm_term=fahrrad+navigations+app+android+kostenlos PDF link annotation
- http://aan.kz/ckfinder/userfiles/files/sikikogolum.pdfIn PDF document text
- http://aviteksural.ru/admin/ckfinder/userfiles/files/26054713655.pdfIn PDF document text
- http://gold-carsales.com/js/upload/files/33852282313.pdfIn PDF document text
- http://nincity.de/inline/file/nafebepujo.pdfIn PDF document text
- https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/dulokakirara.pdfIn PDF document text
- http://box8websites.com/ckfinder/userfiles/files/wabopiv.pdfIn PDF document text
- https://metricgroup.it/uploads/file/77254700285.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/1bd27fd13af8ec98bfae6e01620359b8/wujogedeziromotimut.pdfIn PDF document text
- https://dubaimotorcycletours.com/uploaded_images/files/nuzofapuwupovalofibaka.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/guzim.pdfIn PDF document text
- http://interreg-ipa-husrb.com/downloads/88930258144.pdfIn PDF document text
- https://virtualpulse.eu/UserFiles/file/mudota.pdfIn PDF document text
- http://meubelenindex.nl/images/uploads/78235501237.pdfIn PDF document text
- http://ultraljud.nu/bild/files/79885576758.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb1148e0d1---1102868495.pdfIn PDF document text
- https://purevdavaa.mn/uploads/ckfinder/files/rigomuvelul.pdfIn PDF document text
- http://entryexpress.online/chapter_images/files/21146550926.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/9bls2adirpj4f6ie0j6av5q81a/89656960322.pdfIn PDF document text
- https://beysukonaklari.com/ckfinder/userfiles/files/42254960405.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/a3dd58d77a970fa399bbc085908ed6da/95030811716.pdfIn PDF document text
- http://yas-center.ru/userfiles/file/niwaze.pdfIn PDF document text
- http://pneusmarene.it/images/file/40423429761.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_off0000d72f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD72F | 10808 bytes |
SHA-256: 04c4746e1970d21947a9d01215572f6b0323545ca73cdbabba555ff030f811fb |
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font_01_sfnt_off0000efcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFCB | 19056 bytes |
SHA-256: e65e6e26f50ca5e5526b648185db5f14dd9df4e80d3427e653e17c78eb934e85 |
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font_02_sfnt_off0001206a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1206A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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