MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links pointing to other PDF files, many hosted on compromised WordPress sites or disposable domains. This indicates a link farm strategy, likely intended to lure victims into downloading further malicious content or visiting phishing pages. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://angelcabrera.com/FCKfiles/file/nisipalegamo.pdf In PDF document text
- http://technoauto.jp/js/upload/files/7551908630.pdfIn PDF document text
- http://bakoca.hu/files/file/bumofugudowiwatimefemo.pdfIn PDF document text
- https://moto-trend.cz/public/files/fck/file/26791084991.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094062ea22fc---37213048765.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/c0ec9e2593cb9a1c83637c1cb55ccfb1/68112799559.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/f7aa27c89c0dcde54404ea5a0b10db90/nesamek.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160abda844c259---jikumudulijop.pdfIn PDF document text
- https://noddy.nu/images/file/38666679696.pdfIn PDF document text
- https://ystechpro.com/nbloom/fckuploads/file/sekulelogezogakomekitab.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094f038bbd38---gigozovopebelose.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/0b51203dbdbdb64c8be1fa81edd28d4b/lizuxobune.pdfIn PDF document text
- http://markone-tools.com/upload/files/49145973514.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/bfc0e5e839c093bbd56e2c6fbbd3e538/nejusufedi.pdfIn PDF document text
- https://studiovizia.com/webroot/img/content/files/44036448260.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c3cdd57a1---gefotapa.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d656775f0e---98019352798.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a399266e8b5---pezusafadi.pdfIn PDF document text
- http://abwlanham.com/uploads/files/78752427813.pdfIn PDF document text
- http://visit-pune.com/userfiles/file/nerebetazobemexojume.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a539f3b4c4---80234374850.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d71b99800---90996230027.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607e09e86e351---jigisuvaxedilutevigakej.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c607d55578a---54891190767.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=clothes+cut+outs+printablePDF 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_off0000f238.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF238 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010a4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4A | 19956 bytes |
SHA-256: ef48b369c51f7ec943f104d14152598a44723746c78de98a0a1722fa057ec0bd |
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font_02_sfnt_off00013d45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D45 | 10740 bytes |
SHA-256: 9799792f20e65f0de2cd37be732e4dc94fbc14d1df7452c45233de7141d91c61 |
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