MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to compromised WordPress sites, indicating a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious. The presence of multiple compromised CMS upload links suggests a coordinated effort to distribute traffic or host malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://crysiq.ru/uplcv?utm_term=life+expectancy+of+a+chorkie PDF link annotation
- http://kamkmori.cz/ckfinder/userfiles/files/rijubobojadase.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16097daffbd7b7---pekefuvejogitig.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae9634b9af---5832848126.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160747bd06ad5b---kovexesizaporunadajuki.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16071f5c3bc992---sakefojagifadawipuxeveta.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/a8fd8819c9bb4f4eaccc55c8028ff8bb/31139549707.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0352e9cdd9---70728310961.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/baacfa376fe6d9a23e00ac60ce5adbbf/nerikokowesosivena.pdfIn PDF document text
- http://kronikarp.pl/ckfinder/userfiles/files/82517543437.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/afe5ce4ef5e552f66f2c55d5752d7033/40539089639.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/2554825146.pdfIn PDF document text
- https://ferropula.hr/files/fobenaxixug.pdfIn PDF document text
- https://prolocolidodisavio.org/ckfinder/userfiles/files/komakiveki.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cefa62c53b---72370721616.pdfIn PDF document text
- http://studiofranzoni.eu/userfiles/files/dupejobiwedanoribafuzuvuk.pdfIn PDF document text
- https://watfordfairtrade.org/app/webroot/img/files/44480939083.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16077e35b9c3f7---13600566265.pdfIn PDF document text
- https://nhachoxebus.com/upload/fck/file/6571029679.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/cc64047e30899d785a03aa52298fe58f/livikegalu.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/77btjvnjrespp932e1lci15l33/kisaxowoje.pdfIn PDF document text
- http://elateridae.com/images/FCKeditor/file/17754381462.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/bvbr82otq6ott20tg2lrrssmdf/69875960590.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d0859b562e6---pojifexeki.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/kce096ujanl20m87sdg89bfea0/54378385249.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b46265d1b01---rotanovuzozaxulebir.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1608ffa2aa2175---10612972317.pdfPDF 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_off0000f23d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23D | 17440 bytes |
SHA-256: 79b00befc60a485b5ddc3e7b9c0d31e75b9b00f038953983c8cb78baab326829 |
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font_01_sfnt_off00011f6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F6A | 10628 bytes |
SHA-256: 56ab80e92ad2f3fc86ba197b7b34de849ab6aa348b59716abb3aa39eb898c0cb |
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font_02_sfnt_off000137bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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