MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites utilizing the formcraft plugin for file uploads. These URLs are indicative of a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9926
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 http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160749ea628df6---dajenufukalosite.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bea3dcbfdee---90745767109.pdf
- http://hum-lucknow.org/test/fckeditor/file/vozevenodewiz.pdf
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/ee70169e1c9d19ad9c7c1f3016e50abb/metiguzifozu.pdf
- https://mk-sito.it/uploads/file/16568138058.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160778992e2d03---jesidiwifo.pdf
- https://wita.lt/images/files/bivuke.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16090d4fc5104d---geribujiwob.pdf
- http://1utilaje.ro/mm/file/28335069921.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16072f32761f90---14276579011.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/273bd8552ecaca0e2bb2ee8f6a9748b9/muras.pdf
- https://pellevah.com/upload/files/mivamesibosav.pdf
- http://patriabrno.cz/userfiles/files/657035268.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/27df2246e5b83ece5ad6d4ec0ffecf82/fopudi.pdf
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/7d8ceda89a3aaae8fe159799e7a62bfd/65380010696.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/4f14976fd9e333e148da56330329cc12/goran.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16082ad434a25c---81798617494.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/b928456da7d9340ef27fe9f2e40993b2/46950682676.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832acddb63a---4128956300.pdf
- https://travelworld.ro/userfiles/file/wukakelalifirurikured.pdf
- http://myphamlulanjina.com/upload/files/kokigatokap.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc54299bdb---90944362460.pdf
- http://imailbox.nl/images/uploadedimages/file/jobowazijelig.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6dc65b221---88851500437.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=questions+about+the+sun+and+answers
- 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_off00012559.binb124f3005802a749fb297741689f8c781c2ecd9ad5b6f7a3ccb47dec9dcd7fcb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12559 | 10684 bytes |
font_01_sfnt_off00013dfa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DFA | 16792 bytes |
font_02_sfnt_off0001560c.bine9bbd4fc0604ec522430ebbb48c121eba5c0a0a57573c268e32a6f671f71f816 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1560C | 19432 bytes |
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