MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to numerous compromised WordPress upload directories, suggesting it's used to distribute further malicious content. The presence of external URIs and the nature of the detected heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5e2aa04ed---dutuvurusilobozixizemaku.pdf In PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b44391de574---minixogulejewunivotutemo.pdfIn PDF document text
- http://whalesart.com/uploadfile/file///2021061116415540.pdfIn PDF document text
- http://ronaldtan.nl/images/photo/tulezezoxijosaguruxiwad.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/85ae6ab7843d30c8f872fd0710eebd1d/26203692655.pdfIn PDF document text
- http://automozg.by/upload/editor/files/ralurus.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16083955d67136---waverisexuvujiseludorif.pdfIn PDF document text
- https://gw21.ch/uploads/userfiles/file/sorafumor.pdfIn PDF document text
- https://lamaisonducoeur.ca/upload/editor/file/riweni.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e49f6e4bb---75488671701.pdfIn PDF document text
- http://www.urbanwaterways.info/files/japebavajoxivag.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/76336912037.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c3910fddc0a---tomobumimeloleruru.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd1ab40d063---nagapuvava.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/9014fad0f5bdd4f714dfea7bebb0043a/fetezuxidunumuxopu.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c068e1bebc---42408302367.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089faaaa3a7f---84211666758.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088df7ba5266---sapamujudu.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/i9oksaj5b29vse75kce79125hv/bejaxoturotaxewiloraviz.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/ba8f57eafe3e9764073c3000f57c3a16/rofuzavatatosike.pdfIn PDF document text
- http://learningkey.org/userfiles/valejuba.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160dba97489204---gozeriterawat.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec0b487a10---5926092788.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f19ba27d8e---35187281471.pdfIn PDF document text
- http://yourtruck.be/upload/ckeditor/file/dajur.pdfIn PDF document text
- http://td-mg.ru/uploads/files/xuxew.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=baby+extremely+fussy+at+nightPDF 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_off0000eefd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEFD | 11048 bytes |
SHA-256: 03f514a492f2d62eed747bd980601a58e1447037105edaea05456049f86cee31 |
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font_01_sfnt_off0001089a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1089A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120AC | 17564 bytes |
SHA-256: 2a3d7c3e061bf3c1e476aa4284a7c159659e7e3a630700168f7e1acbec84692f |
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