MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple external URLs, some of which host other PDFs. The ML classifier and ClamAV detection strongly indicate malicious content. The heuristic 'SE_INVOICE_LURE' suggests a phishing or payment scam pretext, and the presence of multiple compromised CMS upload links further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/bc5ce56f256e468a23affffde6515881/bojus.pdf In PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a55a935f555---85482095241.pdfIn PDF document text
- http://peneleos.pl/userfiles/file/86924937118.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb33ab3b49---molitimemun.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079390680034---morekivupaxepi.pdfIn PDF document text
- http://ozhelalikram.de/resimler/files/wupovedanexiduxuk.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/ibadvon7c8ldscc7camipv6s96/volajabiguvepivaxer.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/abv64isa90t0rlsjjtdckt5fpa/desobuzenenabom.pdfIn PDF document text
- http://obasekiestates.com/UserFiles/file/21511916963.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b47584d93---22305080149.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7aebe33de---jonitetololudab.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/fb7bb3239c4527b9468d2343835c2f34/xabediwikegoxofazilewa.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/a2f7fa4b42a1d3b803105184ee0abc12/rulabifiw.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609b98d29c77b---21443763916.pdfIn PDF document text
- http://incoyun.com/calisma2/files/uploads/ronekinowov.pdfIn PDF document text
- http://sequirk.ie/userfiles/file/61232738569.pdfIn PDF document text
- https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/49ecee5f0bfbe8055f62aae27a460baf/76051403997.pdfIn PDF document text
- http://pleasanthillpchurch.com/clients/5/55/55aa087cacc886b2254ddcc242c0699b/File/71949135956.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1607709aca60e0---lijizete.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/m2e1307jeje2vv606a8ka0pcio/getiwefud.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c93116bfbf---gawosubel.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723c11c6634---46458986950.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/m8g8j6ueqktnn1gtv7frg1s6s1/konugegowitidugubibu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=retail+fit+out+designPDF 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_off00019148.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19148 | 17252 bytes |
SHA-256: 028214b17b1e460db9de5bf15ca29af8a170388e2084c1d651061609a2a8bcd7 |
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font_01_sfnt_off0001bdc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BDC9 | 10572 bytes |
SHA-256: 1a54944d096d75331026f96d40ef8794584f678650bd716626c54d1a1120c6a7 |
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font_02_sfnt_off0001d5cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D5CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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