MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of links, many of which point to websites hosted on compromised Content Management Systems (CMS) or disposable hosting. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://bannails.com/fckeditor_userfiles/file/81309600694.pdf In PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086e45774076---nekurovavusosugokogusagim.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/32980393350.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a7cdd5996e1---23635851703.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/5um4jr44uelbt1mei12p5glivl/28163373416.pdfIn PDF document text
- http://weberstellen.ch/userfiles/file/84775577828.pdfIn PDF document text
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/881137461.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c77b418e3bc---21841777906.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/9rcrv3o1gu8unipompgd0c08s1/23801857820.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8717c978b---doxesunipawisinifa.pdfIn PDF document text
- https://plasy.com/uploads/file/50347001514.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af69dc597d0---29300511738.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/ec5706f8f7ef11401330e0f2958b754a/zefobazateranimogu.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/nv35nb8b5j93v0mvnm24ekvnc2/84983263781.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94ad84ae7e---57958672977.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/9776e7921a60e77f6bfdec1862a67f8a/43774493485.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/d3eb5e8fcbc0e76eeb59d110464a9a0c/29502176387.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd86c8d6ed---48577987508.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/26639347086.pdfIn PDF document text
- https://open-call.fr/uploaded/files/73668778005.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/578800a5f7fc9a8533ba3d8dc6ee7638/xevefunagafoxifofuj.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/1cfbd5619c66d3e04f36a2cbae47909b/zanagiza.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608361eb2b338---97336601459.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=difference+between+green+onion+and+scallionsPDF 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_off0000ea71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA71 | 10880 bytes |
SHA-256: bfacbb269c5a84f9dc66857d721dc582f454edcc8c7c47cd18b320cdb027bbac |
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font_01_sfnt_off00010399.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10399 | 16808 bytes |
SHA-256: 423654e1cc05db8ed91acdcf500e394e740f0693c2efef8e2faae71a54405b82 |
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font_02_sfnt_off00012eef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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