MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by multiple heuristics as malicious, including a critical ClamAV detection for Pdf.Phishing.Trojan. The presence of numerous links pointing to compromised CMS upload directories and disposable hosting suggests a link farm designed to obscure the ultimate destination of the user. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9907
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 https://www.almuhja.com/ckfinder/userfiles/files/tasaxaxixalufofadidi.pdf In PDF document text
- https://www.leasing.net.in/ckfinder/userfiles/files/wubilobixinapuwilatim.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/1125bea1b4b8e7e76ff5bd4a3ad29fc0/62704116989.pdfIn PDF document text
- http://aotwresort.org/ckfinder/userfiles/files/43953143049.pdfIn PDF document text
- http://king-pro.com/userfiles/files/2533701743.pdfIn PDF document text
- http://rootbeadmill.com/upload_fck/file/2021-9-10/20210910102529209008.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/k98045qemmhe5l3tjid7tc12o1/rizixapulalasav.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1d1c56ea9---ludisaxuboxuzelakenaja.pdfIn PDF document text
- http://sonsuadogo.org/Images_upload/files/12843642512.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/ludavulowugaterezolegoz.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/63r3psaesu5g5me7cu4vdj0r6i/65377999249.pdfIn PDF document text
- https://zaragozadenoche.es/upload/files/kiwekafojugelizowumupi.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/29bdd57db4b398aba0e7b45160ad0017/22924490862.pdfIn PDF document text
- http://arhive.np-sp.ru/img/file/kubixidow.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/161303f105084c---24052512817.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/161321101863a4---midupepisexogufipewata.pdfIn PDF document text
- http://timandlor.com/userfiles/file/80238169197.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/161442b68b0bde---kovugonurivuwafogusipaw.pdfIn PDF document text
- http://rockefellersgold.hu/editor_up/74772101841.pdfIn PDF document text
- https://munis-roquesalbes.cat/demo/vilalba/imatges/file/natixefesonesolezel.pdfIn PDF document text
- https://mytopics.it/uploads/file/53236152629.pdfIn PDF document text
- http://telektrans.hu/editor_up/65765489508.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/65662912841.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16130e32a298af---nufitotanavefebefururasir.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/zikifufobeg.pdfIn PDF document text
- http://teedinmaesai.com/user_img/file/renavolivoxavefaxigiluz.pdfIn PDF document text
- https://efficientinfocomm.com/ckfinder/userfiles/files/refukudi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=subway+surfers+paris+modPDF 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_off0000be2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE2E | 16204 bytes |
SHA-256: 3a13b5f49d164f8f14b4257d7127c3c026d29ace185af45a42b18f9b19fe09a9 |
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font_01_sfnt_off0000e7b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ffca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFCA | 10924 bytes |
SHA-256: 5a454a59fad8a9108218043c13a2d2dece0182886854a4d4bd75cfd9439503ae |
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