MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised websites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://huntic.ru/uplcv?utm_term=session+layer+definition PDF link annotation
- https://www.hmgfinance.com/ckfinder/userfiles/files/xidosisinogepol.pdfIn PDF document text
- http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/68276465223.pdfIn PDF document text
- http://unicaconsultoriarh.com/images/files/10754967801.pdfIn PDF document text
- http://cabanagarden.hu/editor_up/nigiwujoxepivo.pdfIn PDF document text
- http://whitedwarf.ru/public/images/ckfinder/files/miside.pdfIn PDF document text
- http://tuvanthanhlapcongty.biz/upload/ck/files/85150327378.pdfIn PDF document text
- http://xaydunglenguyen.vn/upload/files/c87aad.pdfIn PDF document text
- http://jandebruijn.com/uploadimages/files/97172805620.pdfIn PDF document text
- https://bimetoor.com/basefile/bimetoorir/files/80403095281.pdfIn PDF document text
- http://aristosaigonhotel.vn/uploads/files/24771851846.pdfIn PDF document text
- https://agri-mal.pl/userfiles/file/xotuvadejawepanapefizukin.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/31743648222.pdfIn PDF document text
- http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/bilixebob.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1613a16999b363---23569662499.pdfIn PDF document text
- http://thechitay.com/uploads/userfiles/file/favekasitisow.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613616ecceecb---paxalos.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/b8b98d48029ace142c261c8c83c02ab9/vobowosurejifosesibilob.pdfIn PDF document text
- http://onlineticketreview.com/images/file/fusimagugivirovose.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5cfdb5c5a---77627915614.pdfIn PDF document text
- https://tefen67.com/userfiles/files/12613850532.pdfIn PDF document text
- http://kargo-box.com/uploads/files/43987213207.pdfIn PDF document text
- http://tourister.kr/userfiles/file/70721991693.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/tojoze.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_off0000d6a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6A8 | 17324 bytes |
SHA-256: ad9a72613f9a42f85c26de57f0107e46b68e5e3219a1c62cf42aaa7f7c6a013c |
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font_01_sfnt_off00010323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10323 | 10536 bytes |
SHA-256: fe9713ce80ed9195795b34c071b9ddb1fdbd5c5cd0eaec09f806f4ca053bdaab |
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font_02_sfnt_off00011b4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B4A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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