MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. It also features numerous links to compromised WordPress sites and other disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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 https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/161490734994c0---zewopikaru.pdf In PDF document text
- http://armanetti.com/images/xowisizarezevubapotane.pdfIn PDF document text
- http://spbmedax.ru/sites/default/files/uploads/gefifolusedo.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/taninupiwotokitozovewozu.pdfIn PDF document text
- http://voszveszprem.hu/_user/file/50891049098.pdfIn PDF document text
- https://openkomm.yussfone-crm.com/userfiles/file/6421044036.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16147bae3701d6---8368801945.pdfIn PDF document text
- http://lionsmarsala.it/userfiles/files/luserovixobakipa.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///6520539800.pdfIn PDF document text
- http://idolyokocho.com/js/ckfinder/userfiles/files/nalanewi.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16136cc08b55c1---36096983860.pdfIn PDF document text
- http://mayinmaunhat.com/upload/files/gipave.pdfIn PDF document text
- https://ispartaorganizasyon.com/ckfinder/upload/files/dusujinuxo.pdfIn PDF document text
- https://cherrychile.cl/cherry/uploads/contenido/files/62194406072.pdfIn PDF document text
- https://oklogistic.lv/upload/file/81155550945.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/290a874568493aa285e7ee53a9b0248d/wojifewutorasudegutaj.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/3e92e17dd755ebb49ade305523d621fb/88296823157.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/b6a7c164ee24f14ffad7d9555166e362/79683835803.pdfIn PDF document text
- https://akvaguru.hu/user/file/74803249511.pdfIn PDF document text
- http://k1a.ru/images/files/file/66088331483.pdfIn PDF document text
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/78398781879.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1614760d0f09d3---faruvaxanefamuruxobir.pdfIn PDF document text
- https://cuacuonbentre.com/upload/files/69233267064.pdfIn PDF document text
- https://cartolmania.it/file/zufimagedenemelanataf.pdfIn PDF document text
- http://chongthamnguoc.vn/img/files/2196028851.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=osi+model+and+layersPDF 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_off0000dbc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC3 | 10452 bytes |
SHA-256: d73782aa31a968b0373fcb7568dbce42b7806802a550548aafb13f28d75b9798 |
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font_01_sfnt_off0000f36b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36B | 17996 bytes |
SHA-256: 34cb80b04f958f48cb61f071cee5fef64f7aed9e361e5ea6448112f1006f7665 |
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font_02_sfnt_off00012205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12205 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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