MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also features numerous links pointing to compromised WordPress upload directories and disposable hosting, indicating a link farm designed to obscure the ultimate destination. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9842
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://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160856e70f267f---wulon.pdf In PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/8a4sutv17m6t5su495nhhme68c/59529116140.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/nanurulilivenusatusaru.pdfIn PDF document text
- https://gaziemirkentkonseyi.com/upload/files/gatutejalazaxozetada.pdfIn PDF document text
- https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/92933270794.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9cfc4fbcc---wagexevafekavakewude.pdfIn PDF document text
- http://heizler.hu/files/file/98366722087.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609797f06d1a5---92441720083.pdfIn PDF document text
- http://hkt-optics.com/hkt/images/userfiles/file/porivufinojenin.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/clqkdo0q0tts2hv21q1hfh5h84/40523421625.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085593cd9a4a---kufodevagifevoletugejib.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16092e8ea35814---12220248692.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e33aaa1d544---92220333221.pdfIn PDF document text
- http://w3-japan.com/js/upload/files/28935245596.pdfIn PDF document text
- http://krzeptowski.pl/file/mivijasosesilonopu.pdfIn PDF document text
- https://roweryelectra.eu/app/webroot/uploads/file/16241372061371.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/e79uvdoj6924e8k01lkb5v86j5/83438192331.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a06f370ef18---89352063149.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609470e84190b---92514955695.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/ivq9tgh72j40s9t4v7ep79frfh/wanonadufafewipo.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608631e475885---rasuvatimezukexizivomu.pdfIn PDF document text
- https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/cd6b3c148ec93522a43a000b332bb74e/vekuketorijari.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1610e8da219afb---64132434779.pdfIn PDF document text
- https://tectrongim.com/uploads/files/tuwiwozubovobiwedu.pdfIn PDF document text
- http://chineseclothingonline.net/File/monarugigowojifuvun.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab38eec4250---63032356164.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=lab+safety+symbols+matching+worksheet+pdfPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000132a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132A7 | 17292 bytes |
SHA-256: dfad56c34e5484ba409f7f1e8090a01b6f9706c27990db20246c58ef2c7ee6c1 |
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font_01_sfnt_off00015f86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F86 | 16312 bytes |
SHA-256: 7d15b2d6d265aaca51dda18faee70a1b8fa9d95ed54cb111fb0895789092f9ae |
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font_02_sfnt_off00017591.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17591 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00018da8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18DA8 | 11456 bytes |
SHA-256: 519d925535bd655fd75c0b3d455d4aa5106312eb40ff9b27e52b6306082bffbd |
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