MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicate a pattern of using these links to distribute content, likely malicious. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing or trojan PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://laborke.ru/uplcv?utm_term=nba+2k20+unlimited+money PDF link annotation
- http://virtualcharityevents.com/vce_cake/files/files/81040329344.pdfIn PDF document text
- http://ty-universe.com/image/files/20210916_120503.pdfIn PDF document text
- http://hong-tour.com/FileData/ckfinder/files/20210916_CCC8C04470F00FDC.pdfIn PDF document text
- http://sor1310.com/userfiles/file/legowofumumekawopuji.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161395502c7297---buzuxur.pdfIn PDF document text
- http://andlupa.com/userfiles/file/67566624663.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139adb834608---kojalejijigole.pdfIn PDF document text
- https://grootformaatspandoeken.nl/userfiles/file/53046646375.pdfIn PDF document text
- http://www.blueoak.fr/image/file/taraj.pdfIn PDF document text
- https://southernwashpros.com/nbloom/fckuploads/file/49904680225.pdfIn PDF document text
- http://www.pes.edu.mn/ckfinder/userfiles/files/nuzonorizatamujijawe.pdfIn PDF document text
- http://sgd42.ru/userfiles/file/88648163212.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/totipituzivexomilomi.pdfIn PDF document text
- http://zgkimsteszew.pl/img/upload/files/gufunobijatiduzoripo.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161341e3a9c7e1---45621556736.pdfIn PDF document text
- https://ashleymongolia.mn/uploads/files/26884930690.pdfIn PDF document text
- https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/69592828508.pdfIn PDF document text
- https://btsmstlucia.com/atomicsteps/upload/userfiles/file/95282254287.pdfIn PDF document text
- https://shopexpert.com/app/webroot/files/userfiles/files/kawij.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/detozi.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_off0000d6d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eeea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEEA | 10808 bytes |
SHA-256: 6f33751ed7b1e2c05fefac6b92959409da6e9f660750fe36c955113852705923 |
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font_02_sfnt_off000107df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107DF | 20252 bytes |
SHA-256: 63bacde06d21194b0da111eb6a92da9cc621acfd4a9aaa9e808899ada52da336 |
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