MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, likely serving as a link farm to distribute malicious PDFs. The ML classifier and ClamAV detection strongly indicate malicious intent, with the PDF being identified as a phishing trojan. Although no scripts were directly extracted, the structure and heuristics suggest the document's purpose is to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a03ddcc5af---riwezunagijirowerejosiba.pdf In PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c8bd712502c---85942051095.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b8db96e734---12458224180.pdfIn PDF document text
- http://instandee.com/Images_upload/files/rusogegilodetejola.pdfIn PDF document text
- http://solarexperte.ch/fckeditor/editor/images/file/27725979155.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/gewelat.pdfIn PDF document text
- http://srividyaastrology.com/userfiles/file/japibeforolebodiveripijer.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/gu6i9g62q9s1qe8lvq273o2uvi/bavijorez.pdfIn PDF document text
- https://used-machinetools.ro/app/webroot/files/userfiles/files/48407799945.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872148a4ada---luvabowiv.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba9758b6499---35436312936.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/753cc768a0bbb9ac3b31760188f6afa0/xabukiwikofesijemava.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/f0e6baec4862cbf77c89f0b6319e8987/95262406307.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/44220154031.pdfIn PDF document text
- http://chistogood.ru/admin/ckfinder/userfiles/files/44539620089.pdfIn PDF document text
- http://atol-res.pl/uploads/file/41344904685.pdfIn PDF document text
- http://wamer.org/userfiles/file/43733210907.pdfIn PDF document text
- http://dc-42351dc5a6b3.prshots.es/uploads/userfiles/1630563124/files/39693016410.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/jrntasr4drqvi5o6546ika6j01/27870729483.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/aae6814976be685886f3a99886cb66c7/zexemaxidifoki.pdfIn PDF document text
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/81773595099.pdfIn PDF document text
- http://universalgroupautos.com/files/others/73986910290.pdfIn PDF document text
- http://vlajamo.cz/images/file/dawumajuruxefapoxifuwek.pdfIn PDF document text
- http://1yunnan.com/ckfinder/userfiles/files/6869596994.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160967416b31ea---92900895490.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c510902293---manuvebisononekekilekut.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/16076f99c30d07---tixabetipi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=reactivity+series+of+metals+worksheetPDF 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_off0000d7f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f00a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF00A | 10900 bytes |
SHA-256: 39dff5c047e105608401f66d1025860400907dfa0431a73389e67c08250e2a71 |
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font_02_sfnt_off0001095a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1095A | 17780 bytes |
SHA-256: c8a7244a7b71086f76a26b1704fbe76313124df1c077238119b6f120dad33e12 |
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