MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a link farm pointing to multiple compromised websites, many of which host other PDF files. This suggests a phishing or malware distribution campaign where the initial PDF serves as a lure to lead users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://jirehenl.com/userfiles/file/020148214381.pdf In PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609773a767f25---85684904165.pdfIn PDF document text
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/ls01u53do7mngddsc9keidm7u5/mowupijuvokipu.pdfIn PDF document text
- http://exosportsante.fr/ckfinder/userfiles/files/19124447864.pdfIn PDF document text
- http://nsdadventist.org/FCKData/file/dalegeru.pdfIn PDF document text
- http://orderkiwicafe.com/uploads/files/30050065172.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb7621ec70---62400495312.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160a44f9a268d1---jekutu.pdfIn PDF document text
- http://gopherandsquirrelcontrol.com/admin/images/file/45193822616.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/rizegukofibesatotopapopox.pdfIn PDF document text
- http://aweibel.com/Photo/file/guzeleluridavus.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1d0a465f5b7b1cca3bc0460135bd32f4/tigazedunuvisu.pdfIn PDF document text
- http://boxshop.mn/userfiles/files/61894820110.pdfIn PDF document text
- https://ccaquebec.com/userupload/files/mulawe.pdfIn PDF document text
- http://azizolace.cz/images/file/sopaguvilidasewetusak.pdfIn PDF document text
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/8268fde5bbc7ddafa5ec05f96be82ead/81594291885.pdfIn PDF document text
- https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/e791de66ecd8e47ad958762ee306da07/73070279790.pdfIn PDF document text
- https://medosojewellery.com/userfiles/files/ziwesujavinetil.pdfIn PDF document text
- http://accronline.com/userfiles/file/luxenewitixijofami.pdfIn PDF document text
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/87e5c98acef18462870da252dcb4a112/90603036244.pdfIn PDF document text
- https://maconlux.lu/userfiles/files/72729651946.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=escrow+with+mortgagePDF 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_off0000f36f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36F | 17208 bytes |
SHA-256: 27c2ecf831922723273bbfb9bd29cde891c1b2d21b6a344c9782ac0177845e11 |
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font_01_sfnt_off00012007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12007 | 10596 bytes |
SHA-256: 5ffdfc9ef8288993eeec1c3a90569d78b30e6d68cb2e06ddb5ea1b378f15bd93 |
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font_02_sfnt_off00013859.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13859 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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