MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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 https://huntic.ru/uplcv?utm_term=who+stalked+my+insta+profile+free PDF link annotation
- http://www.jacenter.org/js/ckfinder/userfiles/files/5571623364.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/45cdd9e9d69ff6e903cc4507680cbb7f/57356572067.pdfIn PDF document text
- http://fashioneducation.ru/userfiles/file/roxotizudodunimiwul.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ml35414o0c8mfqfq6pq3nd7ko2/95997140631.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614151c9996e1---3221994320.pdfIn PDF document text
- http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/vawetaditatune.pdfIn PDF document text
- http://kemmurad.com/webroot/img/files/wujewiwibunuzogebofimuzos.pdfIn PDF document text
- http://originalavto.ru/userfiles/file/72366921468.pdfIn PDF document text
- http://munnarteabungalows.com/userfiles/file/xajebusiki.pdfIn PDF document text
- https://syteq-pro.com/userfiles/file/57658009190.pdfIn PDF document text
- https://semot.com/Store/userfiles/file/giwabusumuta.pdfIn PDF document text
- https://krossi.ru/images/content/files/jazimajitabufowadedoxuk.pdfIn PDF document text
- http://school15-tyumen.ru/f/tuwelifokamenexuturu.pdfIn PDF document text
- http://lightningriskassessment.com/ci/userfiles/files/rutizemililijapo.pdfIn PDF document text
- http://onlinetradeshow.ir/uploads/files/62956896635.pdfIn PDF document text
- http://sbriz.ru/userfiles/file/41650595949.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/fibisugodomarabakifilomu.pdfIn PDF document text
- http://wdnederland.nl/file/vijisemewagid.pdfIn PDF document text
- http://coconut.hu/userfiles/file/kijemimulelal.pdfIn PDF document text
- https://xuanhongkhang.com/upload/files/28117618246.pdfIn PDF document text
- http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210906125813.pdfIn PDF document text
- https://xn--z4qq44i.xn--kpry57d/upload/actfiles/5388740190.pdfIn PDF document text
- http://dakmoto.cz/obrazky/file/xagukezazufufoded.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_off000127db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013fed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FED | 18288 bytes |
SHA-256: 13109f8885afd17a6030128aad73e2dcfb6fc2e088b2de570c26b327fe3ac507 |
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font_02_sfnt_off00016f04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16F04 | 10960 bytes |
SHA-256: cfd0c81071bf9af5b39d0df6d1231094361a6d4bc26e39e95add3a1c868f063d |
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