MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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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 http://unstitchedfootwear.net/files/file/tajexizusulapeta.pdf In PDF document text
- https://10s317.com/uploads/files/202109200258345290.pdfIn PDF document text
- http://celesteandtorsten.wedding/images/file/tojafepawasexa.pdfIn PDF document text
- http://galeriejacqueselbaz.com/userfiles/file/sifiwuwusewegod.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3185d964a---25688056469.pdfIn PDF document text
- https://www.zochrot.org/ckfinder/userfiles/files/nirazigodidozibazufosezot.pdfIn PDF document text
- https://abzesolar.com/uploads/files/wilibesorijofasegifalu.pdfIn PDF document text
- http://uts.edu.co/portal/app/ckfinder/userfiles/files/lilisixe.pdfIn PDF document text
- http://hyosangjo.com/userfiles/file/20210903202421.pdfIn PDF document text
- http://lynhuagiasi.com/Images_upload/files/48784662160.pdfIn PDF document text
- http://innotec-industrie.be/userfiles/file/nisexezegukudizamivesife.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161348ece7e4d5---91419756721.pdfIn PDF document text
- https://cpc-serbia.org/js/files/63699048798.pdfIn PDF document text
- https://asset-books.com/userfiles/file/nipesefapez.pdfIn PDF document text
- https://taevlingar.se/images/pages/file/renetewalulimumej.pdfIn PDF document text
- http://marcth.pl/media/fck/file/ladowevadodamowezatu.pdfIn PDF document text
- http://koala-al.com/d/files/20265113043.pdfIn PDF document text
- http://proallprint.com/userfiles/files/xalak.pdfIn PDF document text
- http://www.abcklima.hu/data/editorfile/27328126729.pdfIn PDF document text
- http://gilendor.cz/userfiles/file/boketuw.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/arfqpbnh7fj01epf96hqv7136j/fagap.pdfIn PDF document text
- http://german-ex.com/images/blog/file/fulebapikidoduwepesi.pdfIn PDF document text
- http://goldenstarhotel.vn/images/uploads/files/78402498209.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=rod+machado%27s+private+pilot+handbook+pdf+free+downloadPDF link annotation
- 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_off0000dde3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDE3 | 17928 bytes |
SHA-256: ffb114433e6047b895c075cf5a0c443c65e27c548519136a233ac6f94e95bacc |
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font_01_sfnt_off00010c83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C83 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001249a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1249A | 11348 bytes |
SHA-256: 8939dbdec3bd447d7d0d64c0fd6fab5dd4085a876f87e36eba9ab17a1498ad2d |
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