MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, directing users to numerous URLs, several of which are hosted on compromised WordPress upload directories. The primary attack pattern involves luring users to potentially malicious external sites through a collection of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://dribblebar.pl/userfiles/file/40873798450.pdf In PDF document text
- http://fmi.lu/userfiles/files/jimonawezoguxedibepuju.pdfIn PDF document text
- http://jhferry.com/data/fckeditor/file///sabixunalavafosoze.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3cc5119a9---xetabas.pdfIn PDF document text
- http://savvyais.com/userfiles/file/ketusevasixif.pdfIn PDF document text
- http://2ds-creations.fr/userfiles/file/44873390910.pdfIn PDF document text
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/1a93270d7dcc89856a890bd49e6cb501/tetipuvojusagogikezete.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a452645f757---zerapuwino.pdfIn PDF document text
- http://eastcoastbiker.de/sites/default/files/file/86473814298.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/5502946016.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebae4a9bd3---kisofozevumi.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/sirukinalulojik.pdfIn PDF document text
- http://cancercareresearch.com/userfiles/file/50324490733.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c41f79e8bed---majefotabilobenafesidudig.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/150308533485.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba7b1b9e38---36538321954.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/e383020ab3d45f17ab0c50dae5053957/87741861877.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082358064140---lanuxofuvetuloxisazu.pdfIn PDF document text
- http://twinslock.com/ckfinder/userfiles/files/19781501990.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608786248cc42---jowadobemojozixonuweru.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/4eadded15d1e5cdd47cacfd7f353d64a/xupofitukoresefa.pdfIn PDF document text
- http://jogforbigt.com/clients/6/61/61f7a61d17da296148a50ccd59c4a139/File/ditalem.pdfIn PDF document text
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a86f755f97---18085078219.pdfIn PDF document text
- https://xn--fct8ml6mwue.tw/uploads/files/96903786571.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/253ac728e6baefb4191173534828f1a9/palakolurefed.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=part+of+a+plant+where+photosynthesis+generally+occursPDF 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_off0000e813.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE813 | 11060 bytes |
SHA-256: 54aadab6c31b5c520980c7fb3b8b340c70508ca7cde68cfcb00e854f221737ea |
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font_01_sfnt_off000101e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E3 | 17032 bytes |
SHA-256: 5e577b9451d6b6cdb84d500d4eb4c2c52542cfab7c1fcea03b8ac295d0a64225 |
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font_02_sfnt_off00012e47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E47 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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