MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised WordPress sites and other disposable hosting, likely intended to lure users to phishing or malware download pages. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, identifying the document's structure as a non-clustered link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://doanhnghiepvietnam.org/img_duhoc/files/fodone.pdf In PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c09a1c1db---77807910554.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/fejesuwitepizonizasag.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/bonolevojan.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4db06c7379---wokitadatu.pdfIn PDF document text
- http://bscartridge.com/pic/befiwag.pdfIn PDF document text
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608219b42e9c6---simujodokebumane.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/fc9695f9e9a5070047d823a8405733bd/58394378271.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608fae1e37dbf---naxilavaliwizaxodevuveno.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/e4de375a6a888b8d6cda6fc2d0444a93/58106327138.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609491db88589---patitajawapu.pdfIn PDF document text
- http://baihsad.com/userfiles/files/20210712_211648.pdfIn PDF document text
- http://dlmberatung.ch/userfiles/files/kijejufodopowekubu.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/ravonepanerilemamirolatup.pdfIn PDF document text
- https://planet-pvc.com/upload/files/68238613893.pdfIn PDF document text
- http://sun-green.eu/ckfinder/userfiles/files/ganaja.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/7cd6db98c577418b602a111b01a06d5d/2466934529.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/e54b51916ead1afc4e5ff17fd37ea8e5/lokeroxujiserujirotuko.pdfIn PDF document text
- http://haustechnik-hagenauer.at/mefiwinivaxesedudi.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd091a32c2---nifeve.pdfIn PDF document text
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zodikomexosojopuvavipafat.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/540d8aff1537fb35aa81e2bff3781002/xizolizinunafa.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16094882c695f9---8518255660.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c71c6062eb9---wimuzixezawa.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/ab02c858920de53efe367f13cef42707/mekupaviwivapagelojanuvad.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=inequalities+questions+pdfPDF 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_off0000b47c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB47C | 10588 bytes |
SHA-256: 3d03bcee805a53c0a3e34308bf2c3778bf516cee3161916221c83a5c576427a8 |
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font_01_sfnt_off0000cc85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC85 | 14168 bytes |
SHA-256: c865405f781e7f6f7249eb86e3b8eaab793eb41605bda4060c3f9660ad49df20 |
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font_02_sfnt_off0000eff2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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