MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm pointing to compromised WordPress sites, suggesting a phishing or malware distribution lure. The presence of external URIs and link farms on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16074465a2c190---pajixewexubajujedobilin.pdf In PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/sndddqe4h1verugkg1k3p428gl/3109784755.pdfIn PDF document text
- https://stallion-international.com/userfiles/file/88523648772.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/1ac931532d643ca339b0cc2adde04781/mizezivisipopugililix.pdfIn PDF document text
- http://beepost.vn/upload/userfiles/files/tikawamafojawef.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086098f9b667---jodilusexebibarojazisuwob.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c1692e53d21---88863172217.pdfIn PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/3km3p0c0h500dfuit3tdch2phk/17821424780.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/tldka1no9p05ol3ddh0gs8uumb/12871450540.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608985fb1c4e0---dulinuwolami.pdfIn PDF document text
- http://quickvideo.nl/userfiles/file/diwerawujitiwexarazeji.pdfIn PDF document text
- https://mkontakt.pl/dat//file/15819187036.pdfIn PDF document text
- http://moyamoya.center/images/hand_uploaded/files/gunalutigezum.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2487911bd7---43657684552.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608d1554eb5e2---rubujuwovuwanivaranalefaz.pdfIn PDF document text
- https://ipic.vn/userfiles/file/79090101623.pdfIn PDF document text
- https://bednidhitraders.com/userfiles/file/34625249607.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/u8o1gd28crrs3ipu3s5dkcq699/tupexasavonozeg.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/xabozupekitum.pdfIn PDF document text
- http://atenngo.com/admin/sites/site/documents/borivixafilofisugufinup.pdfIn PDF document text
- http://perfekttorun.pl/pliki/30941082694.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf0750434d7---sobojurewobawipasod.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/0191bb7b41c11cd20784ea7cfcf4d7d1/93711449631.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071fe88cae3b---rapadedofowe.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec720c2d57---pitixabimuxikizokejabuva.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=meditation+and+the+brainPDF 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_off0000f007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF007 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10819 | 16832 bytes |
SHA-256: eb962bfb8869544ec01619fe65ce7deb78e814e8d0f7d1788d25ae7437d86af6 |
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font_02_sfnt_off000133cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133CC | 10264 bytes |
SHA-256: 2d77259b56066c235ae17dda6718c96bb4b743e8c1824c9325dc57bd8855a14d |
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