MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with heuristics indicating it functions as a link farm on disposable hosting and points to compromised CMS uploads. ClamAV and an ML classifier also flagged this file as malicious, specifically as a phishing trojan. The presence of many unknown-reputation URLs suggests a high likelihood of malicious intent, such as distributing malware or conducting phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://philabc.ru/uplcv?utm_term=monte+carlo+method+in+financial+engineering+pdf PDF link annotation
- http://demkapi.com/resimler/files/radipazabewazapakoladosag.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/ag57r72tr35ipstuunh99gf4g0/zilapuguvijogixaladi.pdfIn PDF document text
- https://www.ewdel.cz/ckfinder/userfiles/files/pixofilononisumer.pdfIn PDF document text
- http://tasarimak.com/ckfinder/userfiles/files/lenomunilivilup.pdfIn PDF document text
- http://peaceinsrilanka.lk/userfiles/file/65696348062.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/60087979378.pdfIn PDF document text
- http://xn--l3chcucnqd9c0eua7b1k.com/user_img/files/7092324158.pdfIn PDF document text
- http://rolmech-strzelno.pl/Upload/file/genujuwavaper.pdfIn PDF document text
- https://glaze-metalart.com/upload/files/71590834108.pdfIn PDF document text
- http://airsoft1.ro/files/file/xufofirujivigadu.pdfIn PDF document text
- http://rapabzenec.cz/obrazky/files/xajoxowuzemukuwukilekep.pdfIn PDF document text
- http://velkoobchod-man.eu/ckfinder/userfiles/files/8963117565.pdfIn PDF document text
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/6cb0ef5ae4bc97902f60d15a5a1126ef/xikoxoxu.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b120628d00b---17562400138.pdfIn PDF document text
- http://netmutum.com/userfiles/file/vumevedawimosatiziru.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb2f95e90f---92066230892.pdfIn PDF document text
- http://ithaca1961.com/clients/875375/File/55942226286.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/161254e6cc6c49---jutukipawetawup.pdfIn PDF document text
- https://orderpoet.com/ckfinder/userfiles/files/89098228205.pdfIn PDF document text
- https://spa-salon.ru/ckfinder/userfiles/files/49096102703.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/9bf89fc4af49b96060d3b2db9bdb2c8d/24557229079.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/letekizatugezipovekanil.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/4016778715.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_off0000bcf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCF4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d506.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD506 | 17680 bytes |
SHA-256: 68600c6cfc29078c7ae988669e42d6a7d9c99aadfec77346cac9ac9e1bdb44af |
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font_02_sfnt_off000102e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102E2 | 10892 bytes |
SHA-256: b9baa8c10bfde0545627f661a164c9d3c3592689b3508cfce20469b8729328ac |
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