MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous external links, many pointing to compromised websites or disposable hosting, suggesting a link farm used for phishing or redirecting users to malicious content. The presence of embedded URLs and the overall structure align with common PDF-based phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://ketchas.ru/uplcv?utm_term=hiperemesis+gravidica+complicaciones+pdf PDF link annotation
- https://lecapsuledigian.it/file/36963177876.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/66592414157.pdfIn PDF document text
- http://dostrojar.sk/UserFiles/file/87157616043.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/pinisifov.pdfIn PDF document text
- https://aczv.fr/userfiles/file/85052045793.pdfIn PDF document text
- http://xn--80age2amlc.xn--80adxhks/pics/images/file/47444273389.pdfIn PDF document text
- http://castrolmintabolt.hu/images/upload/file/3733889174.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1607a567c8a27a---21526148358.pdfIn PDF document text
- https://felicitareonline.ro/ckfinder/userfiles/files/57852761333.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160952a3d5f0e4---fokopa.pdfIn PDF document text
- http://lejuriste.ru/files/file/nolumuriborariruwifaja.pdfIn PDF document text
- http://haciogullari.com/depo/sayfaresim/file/xewiputelugavaba.pdfIn PDF document text
- http://teledirk.com/d/files/zoxuguref.pdfIn PDF document text
- http://masterref.ru/editorfiles/file/82006761050.pdfIn PDF document text
- http://hosteleriayvending.com//ckfinder/userfiles/files/wetaxomaji.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/rr2ndk8jqrd7bet60su7ptqd32/12202106575.pdfIn PDF document text
- https://bruceautoservice.com/files/file/2389441313.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160707da94d923---69413587293.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/7358301603.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5adbeb3ea---wofix.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/163518ab61d16a5bdd2141b1f502856d/17974473314.pdfIn PDF document text
- http://vititanon.com/user_img/files/xisirusosonanijuk.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_off0000cffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFFC | 10924 bytes |
SHA-256: b9d28cac4db8aa4106a9b35b0a44e8dc4a75b7bf1ae24f680e3e20761788bf08 |
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font_01_sfnt_off0000e908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE908 | 17704 bytes |
SHA-256: 8d6f1271dae9ed4df3094ea058920633b17ec310abf8b52aef971fb5966d5eb1 |
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font_02_sfnt_off0001170a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1170A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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