MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm designed to redirect users to potentially harmful content. The heuristic firings indicate a pattern of using compromised CMS uploads and disposable hosting for these links, suggesting an attempt to obscure the ultimate destination and evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://oniceh.ru/uplcv?utm_term=ingyenes+virusirto+androidos+telefonra PDF link annotation
- http://gloteckr.com/upload/editor/file/lulorikapoxafofuz.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/52822648174.pdfIn PDF document text
- http://ankaraeksioglu.com/resimler/files/54741003902.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/40549451123.pdfIn PDF document text
- http://candybeauty.vn/upload/files/pinamunobedali.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efd871638a---15440697483.pdfIn PDF document text
- http://aven.su/userfiles/file/sixovazobavetuvilitoror.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/lu3tdv6bq6bc4risoaidfifk30/sotijerevewibol.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfa5fdc700---marukodudofikaribuxupemi.pdfIn PDF document text
- https://perfecthospitals.com/ckfinder/userfiles/files/2296040950.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/a6789f3d88b1ee25712a2f3c7b026131/gufije.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/161414dcfaa9a8---wibanuvudigudin.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613382fde2255---jovowuvikeligedakasev.pdfIn PDF document text
- http://thietbimaugiao.vn/Images_upload/files/45399029977.pdfIn PDF document text
- https://projetovm.com/uploads/files/68536027350.pdfIn PDF document text
- http://union.travel/ckfinder/userfiles/files/8046575349.pdfIn PDF document text
- https://anbuadidravidarmatrimony.com/ckfinder/userfiles/files/vulevobuzawisuzijad.pdfIn PDF document text
- http://tlxzkj.com/uploads/file/060902586299.pdfIn PDF document text
- http://easyliveconstruction.com/ci/userfiles/files/93250787505.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/46092018955.pdfIn PDF document text
- http://aci-immobilier-douai.fr/userfiles/files/2259845927.pdfIn PDF document text
- https://ehlibeytalimleri.com/resimler/files/23595435052.pdfIn PDF document text
- http://www.startservis.sk/novy/ckfinder/userfiles/files/8700699580.pdfIn PDF document text
- https://myclubowners.travelenvogue.com/userfiles/files/86936383461.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1615073db49b16---13687862656.pdfIn PDF document text
- http://digilit.ir/basefile/digilitir/files/3481933348.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_off0001075d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1075D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011f74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F74 | 10760 bytes |
SHA-256: eda23174dec5af7bce5f57988770b5144d558b177dfd7eef69504058f43543c7 |
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font_02_sfnt_off00013832.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13832 | 18492 bytes |
SHA-256: 7ff1b50239cffb3581473eef3f0a9d75c9a9cd8d60a79763f19c07f4d7e274e7 |
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