MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to compromised WordPress sites, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The presence of multiple distinct hosts and a high number of links per host further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6773aae68---tabaxopes.pdf In PDF document text
- https://acronimocostanzo.com/userfiles/file/68394311895.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f4f96eb100bf9958aedae8ed1b2b8776/lomifiroriv.pdfIn PDF document text
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/10901542128.pdfIn PDF document text
- https://pmms-online.com/assets/file/95877913009.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160bd984fcdd95---72298367343.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a84dc24f33---piguxipiza.pdfIn PDF document text
- http://slesnick.net/userfiles/files/59016793477.pdfIn PDF document text
- http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160781175a3105---tizadarurabinumasufu.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7e26eb011---lorolamugivenasokidusin.pdfIn PDF document text
- http://caycanhtuyhien.com/uploads/image/files/tunun.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d5d7f0a9d---ravimiviwi.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607854b4c72ac---mupurapo.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/7966649862e8128afff790c3c968375b/vatiditotudovule.pdfIn PDF document text
- https://dienlanhhonganh.com/images/pic/file/15353989281.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160744d4ac6954---wakovozurorij.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/09bfd5edba07b1bb2c562d41d424eef5/lovusidi.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1dd5eb135---8836171265.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0ccdbd215---movoxefazeket.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/811490ecae6d6663ee65a77122e1103a/59728005682.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab377e73a88---pakolevunej.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/fagigilovinanofalevumew.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b30b5e1c1a9---56447440422.pdfIn PDF document text
- http://conelser.hu/fck_uploads/file/45020643595.pdfIn PDF document text
- https://canevastoilestjean.com/upload/editor/file/zagete.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=funny+riddles+answersPDF 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_off00010c20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12432 | 17324 bytes |
SHA-256: b78bec65a6504cf7660498f65e7d4f82f880214733d37c2f10ec2b0b3aa2fc10 |
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font_02_sfnt_off0001518b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1518B | 10300 bytes |
SHA-256: 3d46a8a6279d8bb4158549387a5a70382b4a77e896683dde1db0dd04984a3647 |
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