MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent. The structure suggests a link farm designed to lure users to potentially malicious content, consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c949b96fb70---30733766641.pdf In PDF document text
- http://abwcrainhwy.com/uploads/files/lukareluju.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a94f0ada327---pasakurejibat.pdfIn PDF document text
- http://gasasosong.com/upload/fckeditor/file/genabejubudepevopoxelim.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5306aa9fd---gobone.pdfIn PDF document text
- http://hydrem.ru/images/file/xumomagal.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/161255cd78c930---puxikenulunamave.pdfIn PDF document text
- http://kochamsushi.pl/UserFiles/file/mimonak.pdfIn PDF document text
- http://rfaaa.com/UploadFile/file/20210806221011347.pdfIn PDF document text
- http://motorlustor.net/userfiles/file/jufitid.pdfIn PDF document text
- http://urgentcarepb.net/userfiles/file/bijiwamuvale.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/vhm835ap7rjvpgrk8e2njbf8ac/zovux.pdfIn PDF document text
- http://lamexmarket.com/uploads/files/xonomazigegiti.pdfIn PDF document text
- http://www.gamylai.vn/uploads/files/wedotavabe.pdfIn PDF document text
- http://istanbulballoons.com/ckfinder/userfiles/files/12488181921.pdfIn PDF document text
- http://saikunghouse.hk/userfiles/78217354857.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/vasag.pdfIn PDF document text
- https://kisikana.hr/userfiles/file/2317344723.pdfIn PDF document text
- http://lossfundraisingevent.com/clients/f/f5/f5ed5e364f2f51aa46a4c5982fab9a07/File/3690533529.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/42508866934.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/b72141743665511bbf5d2ce4a22b30e3/53109224502.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/0fg9h4gld5fimfp3spj4mgjloe/25431351048.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=sentence+with+the+word+choicePDF 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_off0000f7c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C1 | 18300 bytes |
SHA-256: 658a6e6d746cf841ed491c70579822ae159b303b449adbba000f91b023034433 |
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font_01_sfnt_off00012629.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12629 | 10252 bytes |
SHA-256: acd344dc028447b688c1c770d059b23592a568da4b902e6847f14da56126ce51 |
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font_02_sfnt_off00013d36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D36 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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