MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The file contains numerous links, many pointing to compromised WordPress sites, which in turn host other PDF files. This suggests a link farm or distribution network designed to lure victims to malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b97fd2e50a---90472432806.pdf In PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/pi5vf6lalth75s72fakp5hoj7i/37387737086.pdfIn PDF document text
- https://nolimitscenter.be/peausitive/images/FCKeditor/file/putoratadaxoxifopasatugig.pdfIn PDF document text
- https://vrindaindia.com/php/joseph/uploads/file/xukazibimodudone.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/bec1258e68a38f197c3cd851b9736c83/kipasigegufanelokiki.pdfIn PDF document text
- https://www.le-domaine-de-hauterive.fr/ckfinder/userfiles/files/wuvivedomimudujizezaxat.pdfIn PDF document text
- http://cedule-plachty.cz/files/file/vuwuzojujuvarajage.pdfIn PDF document text
- http://ainut.fi/userfiles/file/jowirelezebejiref.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9b02b3f081---89732120583.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/dff86b16f02cc1b9130a3a3e440335ab/41147978130.pdfIn PDF document text
- https://debcopharma.com/userfiles/file/92025565006.pdfIn PDF document text
- http://marketypik.pl/zdjecia/fck/file/16823460003.pdfIn PDF document text
- http://geteffective.biz/uploadfiles/file/21612748834.pdfIn PDF document text
- http://duetsepolno.pl/userfiles/file/gajogu.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/88265219943.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/5d183983ffa2170f2a00c04c8215755c/950042365.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=what+is+the+difference+between+monocotyledons+and+dicotyledonsPDF 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_off0000e4c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fcd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCD9 | 17124 bytes |
SHA-256: 09f8baa20c939e7719c1141170057192ab6b2f3f61e4e405ec20fb6394142a9d |
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font_02_sfnt_off000128fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128FD | 11076 bytes |
SHA-256: 8441002a84791b1f1ce51887f20ab2159c3722fc99e9c9bc39afbf5f0d2a2c2a |
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