MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to websites that appear to be compromised WordPress installations, identified by heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM'. The ML classifier also flagged this PDF as malicious with high confidence. These links likely serve as a lure to trick users into visiting malicious sites, potentially for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091cc9d4d415---wexiw.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5ed272b6c0---67379068533.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16084aedc74476---58716027342.pdf
- http://schokoladenfontaene.de/idata/fugajibaweridexebelarimuj.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/t5vo8a9f0vrr9vii581p0amdun/wibasubefifilutow.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/b46nq6mtmfst0kjoi3f1vn2f05/26442214378.pdf
- http://webinaris.org/ckfinder/userfiles/publics/files/lakum.pdf
- http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/47769708785.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075656a07473---pejozofadefiwotajokuj.pdf
- http://orrizon.ru/images/file/fekosofajigo.pdf
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e09d39731db---vosob.pdf
- https://bbpartner.cz/userfiles/file/jibasagusovurivatonixa.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/a9c6366c661eefdc8f43741867eac9fb/35682010812.pdf
- http://dalaichau.com/files/69728105948.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ed59412ab---joguwolirifuzevobonux.pdf
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725091da157---11493860689.pdf
- http://simpli.ie/survey/userfiles/files/dosozotowolopufabebag.pdf
- http://www.thaiboat.net/image/upload/File/wojujesijasu.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e08d5db59e8---petuwojoxulagapuwolenomo.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b137b65c4d0---84901587991.pdf
- https://lescourailleurs.com/upload/editor/file/dukovufuwe.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/6giio8vuv8kumpmddnfq2jehgt/7495191756.pdf
- https://propertiproperty.com/Uploads/userfiles/files/sipasesisesisolilelu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=psd+template+drivers+license
- 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_off0000dcbf.bin5b24c74c0a16e66e5cda350850421f131a8a76d81dd265f7d19909f857b1973b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCBF | 16524 bytes |
font_01_sfnt_off000107c0.bin84a435f4f7470e23d58135dc4eadbf692bdca892608f478f6423a6e06008c494 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C0 | 10624 bytes |
font_02_sfnt_off0001200a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1200A | 16792 bytes |
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