MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous URLs pointing to potentially compromised websites, suggesting an attempt to redirect users to malicious content or phishing pages. The presence of multiple external URIs and a link farm heuristic strongly indicates a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://holocaustresearch.pl/nowy/photo/file/94767283924.pdf In PDF document text
- http://kiajihlava.cz/UserFiles/File/moposesobebipuk.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/e3cde27a4233e23134c93a5d661562d9/10370385607.pdfIn PDF document text
- https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/86972797347.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/3a94e0d497d689f6bdfc7643ee859c31/27993616947.pdfIn PDF document text
- https://onderdurdu.com/upload/ckfinder/files/kekagivamojepuvi.pdfIn PDF document text
- http://pasaru.com/upload/files/266829129.pdfIn PDF document text
- https://rowsontw.com/shopadmin/upload/files/32022117657.pdfIn PDF document text
- http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/pedutofakedumivafofufeper.pdfIn PDF document text
- http://onthebroadway.com/CPD/adminpanel/upload/file/1139505660.pdfIn PDF document text
- http://mapect.com/upload/fckeditor/file/nivilokukojosigupubad.pdfIn PDF document text
- https://lucky-erotic-massage-bucharest.ro/ckfinder/userfiles/files/49764476983.pdfIn PDF document text
- https://joinvita.com/neu/userfiles/file/38596618266.pdfIn PDF document text
- https://beytarimcilik.com/admin/editor_resim/file/kuridonajerozatubuwuba.pdfIn PDF document text
- http://flapboxes.custompackageboxes.com/userfiles/files/zoluzemezomopejibij.pdfIn PDF document text
- http://mybyblos.com/userfiles/file/lunukobowemovezufemanijo.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/67648471950.pdfIn PDF document text
- https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/tenapulaboreriwova.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/setef.pdfIn PDF document text
- http://siamsankyo.com/Uploads/file/zigip.pdfIn PDF document text
- https://betentour.com/sites/default/files/file/nafutululorokuwudiwazev.pdfIn PDF document text
- http://polipadel.com/userfiles/file/38732180106.pdfIn PDF document text
- http://extintoresorigen.com/images/editor/53302047025.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/c4f1d375c1c7128f36c072cf040f5386/44222449531.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/33095941702.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/vItLtdF7Pec/uplcv?utm_term=did+charles+love+diana+everPDF 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_off0000b5d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5D1 | 16380 bytes |
SHA-256: ee7efb12679483548ce0901ab79d1dad6c5aef0a6b52eb4543cddf149bcf9727 |
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font_01_sfnt_off0000df7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF7C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f793.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF793 | 10436 bytes |
SHA-256: ae37d6e0b81e27cdb9e8fd2af585df7e9742b354c8c1d9462ca52322ef1894b8 |
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