MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to lure users to malicious content. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The presence of numerous external links on disposable or compromised hosting indicates a phishing or redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608769982731f---rujugawazuz.pdf In PDF document text
- http://whalesart.com/uploadfile/file///2021052506313985.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbe062d570---xelodok.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/22630550228.pdfIn PDF document text
- http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/wuvokodikinosi.pdfIn PDF document text
- http://fishtech.org/uploads/userfiles/file/file/56856590618.pdfIn PDF document text
- http://pastoret.it/userfiles/files/53698080958.pdfIn PDF document text
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092dfc093dfc---10016574891.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/5c29bba6b26b1e182f711c8a96d692d1/66276911046.pdfIn PDF document text
- http://sotel-perm.ru/site/file/gajupoxilurolave.pdfIn PDF document text
- https://syntellect.ru/Repository/file/numasiwovome.pdfIn PDF document text
- http://chinahongji.com/d/files/kabalugiliratosal.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a487ac49137---wovomoxomowixewop.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/eba73ed815c2bd4af862e493fe5b44b2/sasibutijekare.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/f2a8dd9faa0ccf3477e7b6592364162f/8007028839.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/2dc5581fd63fea1fb175e96e067ad2db/26343672178.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce7c2621e9---tufovedojinipewitiku.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/86a7ec78317fa2a4bbf836bde824e6d2/86689817780.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/9a5b86eef3hu21g6o4kdq6nd37/morowirakatanoba.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d103a3834---jumizun.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8fe184e2d---desegisitobeno.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/g5cokks61g2he43qu9qa6rdgi4/47565847862.pdfIn PDF document text
- http://travellightnepal.com/userfiles/file/gifikomogebu.pdfIn PDF document text
- http://envigest.cz/upload/file/famatosisujovegoroxurab.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad2a060fe96---keresimakojesedudulur.pdfIn PDF document text
- http://amon-syotengai.com/userfiles/file/takozizenipapidogip.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9780a6127---xufavax.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=the+greenhouse+effect+worksheetPDF 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_off0000c421.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC421 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC38 | 10556 bytes |
SHA-256: d380285c3a98ff163ddc98eb591d273a32853148ca3c3a3d0a0acdf427e08ef4 |
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font_02_sfnt_off0000f464.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF464 | 16680 bytes |
SHA-256: 32f0710d3b7bc2a2a52e2ed409d7d8e7b15ed9ef94ee7c8784a31f70bbd9935c |
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