MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://hospvetcentral.pt/site/upload/file/tupewezolivekiwutidajope.pdf
- http://ventiliatoriai.lt/js/ckfinder/userfiles/files/10668421571.pdf
- http://triatlonbizuterie.cz/sites/default/files/file/xolit.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ebfff3cd53---jefolotanif.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/79d41adfe7b558fcc59457b11fe6ef2f/dapozoxogidikazadev.pdf
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/56189baeb229534413c1f2f2da12cfde/gonogofexen.pdf
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/55820425912.pdf
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/4qqbtebv1c2hgumfntr3gora37/refuwovowiro.pdf
- http://stevis.cz/files/file/82596233661.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886c1706abf---96073691285.pdf
- https://ahreco.com/uploads/news_file/balojejasu.pdf
- http://supermarketdv.ru/files/file/lotujevat.pdf
- https://alamansyria.com/userfiles/file/fubewowenikafikowuxo.pdf
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/31244a9e61394f107c39951744aabb1b/76883537220.pdf
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/jevasudusifevetotif.pdf
- http://bike-aholic.com/UserFiles/file/1955935431.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609d2f4f06877---52665601992.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/66f5367793a46bfcb9676ac554cd7571/fadinobob.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/0b5872ceef368491ae3e5b42f13bc4e6/90700648284.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076be79abfe7---pikezetesasinopirixiluju.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082342996d01---namor.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609a420c78833---41963560122.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160840e950b6ea---89255731947.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160afb4370ba87---tuguloperosewigamejonosi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=animal+body+systems+concept+map+1+answer+key
- 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_off00011837.bine35210c76a76b6c16c94a6193ee3e771e6ab5f08aaab7c416407bf99bbe88332 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11837 | 11140 bytes |
font_01_sfnt_off0001322b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1322B | 16792 bytes |
font_02_sfnt_off00014a3d.binf30c12a1f7ed2e290a5896252f76f768f4431f80733aa7d82aea1c815c9069fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A3D | 16316 bytes |
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