MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links pointing to compromised WordPress sites, indicating it functions as a link farm. The ML classifier strongly suggests malicious intent, and the presence of multiple distinct hosts hosting PDF files via vulnerable plugins points towards a coordinated effort to distribute malicious content. No scripts were extracted, but the overall structure suggests a lure to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 5
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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 http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/9l7c8rqig4l917igu6pl7sh5e7/wagefepiwoku.pdf In PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/9fv8lljb4e3f71ioqahht3u6sg/54004141305.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/03176719f99962209d0bb6c001d17b83/bunopa.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/a1f2f5e110c70326d4434cdcc0d08fed/12903614674.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6307cdbf8---bebezuz.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5367dd301d---jasupenimoxarapuja.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/9a2871424f734fe2b6bf1753659f6314/3726458913.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b22951b278b---9712706578.pdfIn PDF document text
- http://agenziaimmobiliarecannavo.eu/userfiles/files/sunekiwikebatataxapem.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/58e5a7cacfccbd682cd5daa44e5a5f35/pajede.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/d3795b9782b5413c597093f962e2fb4a/43138361864.pdfIn PDF document text
- https://pabrikangka.com/contents//files/resukiduxoxo.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/iobvnev0cndphpjrc9neoh8ptj/xatesopuxomogakaxutij.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c24a081b38b---54782003152.pdfIn PDF document text
- http://planbmedia.hu/files/27673473673.pdfIn PDF document text
- http://thomasbelldescendants.com/clients/40432/File/rexafetus.pdfIn PDF document text
- https://estudiowebcolombia.com/ckfinder/userfiles/files/80832359745.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/0bfb2154863d86f59bc4bf19fcde97ca/65928115830.pdfIn PDF document text
- https://vayamcs.com/content_files/files/33938846731.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d218ee667---54575094723.pdfIn PDF document text
- https://ozmutludokum.com/userfiles/file/bojejurozigevirurubanofaw.pdfIn PDF document text
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/3eb14beaa4a8edad0a7649ab7579f3a4/10260529014.pdfIn PDF document text
- https://papiratisk.cz/soubory/53265993710.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=quality+control+engineer+roles+and+responsibilitiesPDF 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_off0000ee08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE08 | 11100 bytes |
SHA-256: e6f778db67c5623d3c3fcbd52f21e651f1b97ea62f670332dffb6f3473c49bd8 |
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font_01_sfnt_off000107bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD1 | 16684 bytes |
SHA-256: 77e2ca4853e1316e1e7856a21fad9844e1ca3c35288642683441458196526c18 |
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