MALICIOUS
156
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 ClamAV detection for 'Pdf.Phishing.Trojan'. It functions as a link farm, containing numerous URLs pointing to compromised WordPress uploads and disposable domains. The primary purpose appears to be directing users to external, potentially malicious content, rather than delivering a direct payload within the PDF itself.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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 https://homestayhoian.vn/uploads/image/files/35051871550.pdf In PDF document text
- http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/59570049546.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c36479ef710---jifolurawefuxizi.pdfIn PDF document text
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/3b96ad9dfcd960303955d4f2b6a2acd9/lorofibinikovap.pdfIn PDF document text
- http://biotop-zamosc.pl/userfiles/file/xixupojuregutujugunut.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/0d1f75b4c9580d7e1425bb4a824a2353/32315773265.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/04a41dc5670eea606751a50e0643b851/17264145760.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/a7cbb8d11464f29f2309693b7a6f7ae6/68424179952.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2228a56e9---fokosajenowezi.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/t2ul458epfu4b0tvmpuei8kq5g/jopazuzikerefevovekati.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070e590efbb3---gakeginosuvufawosatuli.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160991e0bf2716---bijikotopexafuniputu.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6579929c0---xapibomibefadedi.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/a549e364b1ff06741a7eaeccb11d77d9/18811903859.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/62d8035ea7d0e138e6e1b138f2cd0a61/kevew.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/k1o6hi0l271bps18oijamolt0o/wemer.pdfIn PDF document text
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/0fe724db37a095e9487ab5d23a3b1b58/foxeberopokoridagupa.pdfIn PDF document text
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/1335041381.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/9fed78al4d0a7sdea8jhqq3mnu/14694777204.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609835400f118---powifekagukitubolubuj.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fa3db4c01---55069050736.pdfIn PDF document text
- http://aliglobshop.com/userfiles/file/donasaxipitenegewujoxevo.pdfIn PDF document text
- https://condominiovillage.com/userfiles/file/nawiweneba.pdfIn PDF document text
- https://abofahed.com/userfiles/file/kepivo.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a199917d974---bolutezosovoxav.pdfIn PDF document text
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/odgbak6s26sgqoelqpmatfvj43/wejoxeduvunonekibefano.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+write+a+review+article+pdfPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/0b59fbe56d68c851d04ee89e04ccf79e/sikilizasujixabinemav.pdfIn PDF document text
- 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_off0000fecd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFECD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000116e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116E4 | 10484 bytes |
SHA-256: c591ef1fd52e6d1559ab6944bf5b226cfca43ab88f21ccfa9e12c7731612000c |
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font_02_sfnt_off00012ed7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ED7 | 17196 bytes |
SHA-256: e7259b7d53ba013eb2406264f46bc3a9ec303f49a60fb146d80476e6a8a265aa |
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