MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF sample was flagged by ClamAV as a phishing trojan and by an ML classifier. It contains embedded JavaScript and a significant number of external links, many pointing to compromised WordPress sites. The link farm technique suggests an attempt to obscure the ultimate destination and potentially deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://centromedicoveterinarioadda.com/userfiles/files/zezuvatutukubajejaxu.pdf In PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608371685a857---20681865723.pdfIn PDF document text
- https://classykitchen.pl/web/uploads/files/64443762003.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///dejir.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/a940564f7af164bb9099447db2e016a9/73062972390.pdfIn PDF document text
- http://ueros.fr/admin/ckfinder/userfiles/files/37508803419.pdfIn PDF document text
- http://kiszelyugyvediiroda.hu/docs/file/47977826959.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/r0g8jhkkgsf8i8kva7rvo7slik/wofaz.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/fbat5qb1vfuoqbquk961tp65m8/galudoxuxapib.pdfIn PDF document text
- https://b2b-intelligence.it/uploads/file/45560058820.pdfIn PDF document text
- http://namlinhchivietnam.net/userfiles/image/file/4633909702.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/memawosetukegugafomur.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a56c7b68f---86171854131.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/94b3ab209e9afdf98e2c8ef31da1c20a/4674400200.pdfIn PDF document text
- http://www.alrafeef.com/faisaliya/js/ckfinder/userfiles/files/54668773460.pdfIn PDF document text
- http://aloeverajuice.cz/files/file/tolewerixupugemeduxewasa.pdfIn PDF document text
- https://mangalargalux.com.br/ckfinder/userfiles/files/6634571125.pdfIn PDF document text
- https://samtee.com/admin/images/file/wuduniwug.pdfIn PDF document text
- http://standardamulet.com/files/files/42485216534.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b57af9f1738---garusevodonududotonera.pdfIn PDF document text
- http://www.multigacos.com/admin/uploaded/fck/file/8109592399.pdfIn PDF document text
- https://radio-aurea.eu/files/file/tozokaporexax.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=what+did+albus+dumbledore+see+in+the+mirror+of+erisedPDF 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_off0000bbb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBB1 | 15984 bytes |
SHA-256: b8d3e929cd9d1e47515ee84b870aa46361e328f20b48e7e7ffeed8d4c4d2c5a0 |
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font_01_sfnt_off0000e421.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE421 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC38 | 10852 bytes |
SHA-256: 8a96d607270b6e3a72de48fe910bae81424ce08a7b817f846dc44126bf403453 |
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