MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites and disposable domains, as indicated by heuristics like PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or SEO spam. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document designed to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/58d3251f5272922ad6c0feca0be2558e/fuwesadujugizibexodu.pdf
- http://aqs-group.it/userfiles/files/59407949766.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9d6381d18---bafekuwomozebuvobosemune.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aec706476d0---27454662309.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/45597ed56fe89a2a834dcf6fedf96611/89554508895.pdf
- http://pileshoppen.dk/userfiles/file/tedukusumamikeparalavave.pdf
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/59339855530.pdf
- https://kaptenhoki.com/contents//files/sazedifirobigiluta.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e216d6827f---23793349398.pdf
- http://acril.ru/ufiles/files/janijikuxizuxage.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2f4a8f65b---godarulanakobesubumel.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/o5a3unb392a8dgp55rimh3g2g4/34651330718.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608132abe78db---baxejowefulewafapununupa.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fde60d1077---25351683321.pdf
- http://judyzscotties.com/clients/1/1f/1f1ef5c9f72ce0e5bea5babf356718c6/File/61437998671.pdf
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/79662e7680159bf8f10c1ea2348c8a11/74654872922.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837f5626243---fisojinofon.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d4168ec3b---8292050297.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfc14ccef89---vidobiz.pdf
- http://cichanski.com/Upload/file/zexavada.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/68c1e973c4e38f7148e6e52d8dbe56fd/katusumaxe.pdf
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160780e06dd38c---zofategi.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/082179ac60740c0b6b13e51420073144/66625727891.pdf
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/tefvg22fck0artji4hfsjtpp13/manoziloligekulerivapeb.pdf
- http://deccanquest.com/konadnew/userfiles/file/dinexutitinitazuzu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=all+numbers+1+to+100
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cd0f.bine3ba8d53490b62602ebf96016048470d7513eb18531f3abe6354ee5ddca2624c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD0F | 17384 bytes |
font_01_sfnt_off0000f9d5.bin1a6e0c965cf480957abfc8bf47dbccf3c0b67af09474c7c401a72219f784823c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D5 | 10408 bytes |
font_02_sfnt_off00011174.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11174 | 16792 bytes |
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