MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure and embedded content are consistent with attempts to lure users to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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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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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://synerhu.ru/uplcv?utm_term=number+of+android+vs+iphone+users PDF link annotation
- http://sva-jeanroze.com/xmedia/file/bexugenofavusaporefenar.pdfIn PDF document text
- http://faizleathergloves.com/userfiles/files/rezavaboxinodov.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613edf60039e5---5421941739.pdfIn PDF document text
- http://sun-green.eu/ckfinder/userfiles/files/17525678703.pdfIn PDF document text
- https://silverbirdmarketing.com/pages/images/file/luvugagesawamipub.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/498ebfc690e9f636a055426373a62281/32868524968.pdfIn PDF document text
- http://candybeauty.vn/upload/files/kaxerevumir.pdfIn PDF document text
- http://nfrostov.ru/upload/files/82840915295.pdfIn PDF document text
- http://polimak.pl/userfiles/file/buwafexe.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5667ef003---bajobimabunojamul.pdfIn PDF document text
- http://xn--9i1b14lzokxjcrti5um.com/upload/fckeditor/file/92974914694.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613606c1367fd---somixap.pdfIn PDF document text
- http://viajaconsciente.com/imagenes/userfiles/file/90677143789.pdfIn PDF document text
- http://lpxs168.com/filespath/files/20210907081638.pdfIn PDF document text
- http://thumpamonpally.com/userfiles/file/36573264195.pdfIn PDF document text
- http://mousike.it/img_ins/files/45983193342.pdfIn PDF document text
- http://rioairporttransfer.com/ckfinder/userfiles/files/47274841648.pdfIn PDF document text
- http://centroolosprato.it/userfiles/files/zulibonevaviwafajopomivog.pdfIn PDF document text
- http://bindashnews.com/userfiles/file/49132914249.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/72006128564.pdfIn PDF document text
- https://vanrun-it.nl/userfiles/files/bavibosuxowotakuz.pdfIn PDF document text
- http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/nejerugegemobemusuwuwu.pdfIn PDF document text
- http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/xonoxobokuvijetatebol.pdfIn PDF document text
- http://skrutit-probeg.ru/upload_picture/file/lalezuvozukamanot.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_off0000d497.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD497 | 17584 bytes |
SHA-256: 77270f0962832bdf46319bcf0c4aab4b91339b718dc86e2aaa26eb99add3cf34 |
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font_01_sfnt_off00010176.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10176 | 10904 bytes |
SHA-256: b3da8f328b3e09d1a7e8e07e2a48bb9fa6597d3d710a1da949d3f66e5b220ee1 |
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font_02_sfnt_off00011a44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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