MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs and links to compromised WordPress upload storage, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to phishing or malware-hosting sites. The primary attack pattern observed is the use of a malicious document as an initial vector, likely via spearphishing, to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://philabc.ru/uplcv?utm_term=rc+cola+and+a+moon+pie+nrbq PDF link annotation
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a09304018f0---5852120266.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/ed6a75f1127b00661039244c03862e19/sezejagofafubokipij.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/198idig2d2ruocgi5u8e2sj7jf/28077584748.pdfIn PDF document text
- http://kryotherapie.net/neu/userfiles/file/jatofixidanirogaxakosum.pdfIn PDF document text
- http://tysons-cafe.com/uploads/files/47907720315.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/81360228484.pdfIn PDF document text
- https://umartravel.com/files/89179524167.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160824bcc0a206---7996192442.pdfIn PDF document text
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/b66a2e8ac783d947c7f690ce8d1e402e/24447623811.pdfIn PDF document text
- http://turskazka.ru/ckfinder/userfiles/files/9819777388.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/50c26900666c84d67335ac48cdbcff8d/ranopiwotenogizu.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/3slk1gcovl5cjo75t0n8t3760r/10733874414.pdfIn PDF document text
- http://fzsvybbs.at/userfiles/file/bomokivuputavezovos.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1324182b32---xuwokutarogexekidu.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/2a5104909fcc83b097304b6573802af0/siketuviwakokav.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d04c25c7c4---kubuzorobobizaj.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e035281a2d4---guzisubutodidi.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/2199b82220b6264ccf1148deca0e4f0c/4537541738.pdfIn PDF document text
- http://anvlaw.com/userfiles/file/65796675351.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/86899778836.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16082daf8a0d50---korukolukaginejalufawo.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/0fh99b0e0v9qob7h7tl3799pv5/lusuvabo.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0fabd2fce---29094055728.pdfIn PDF document text
- http://boston.pl/fck_pliki/file/rasimezugadisevevoruregew.pdfIn PDF document text
- 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_off0000eccc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECCC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DE | 17792 bytes |
SHA-256: 87278c33bd61fc139e5fcf3e3d266106c1f1e6090c0568095ae5794f5730bb7a |
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font_02_sfnt_off000133de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133DE | 10740 bytes |
SHA-256: 0200c762ecf74744ce58d99b4b25923f163ce2412351f7553d5aa69c1abcf76a |
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