MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://tese.in/ckfinder/userfiles/files/beruzegafo.pdf
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/af2e5acf74b30acf162795c774c1f335/64202460476.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/s5utft4hbl5sbeokhmgkj27ug6/73848258147.pdf
- https://akapacha.com/userfiles/file/lumipa.pdf
- http://lltsg.com/uploadfile/file///2021061921453319.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/2ub4lsp1jabdm3b7i435tnfoo2/90112843890.pdf
- http://blackhorsesc.pl/userfiles/file/917186619.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/v8kuddbs5du1iifqr3ggkquujk/rurorusovi.pdf
- http://veterinariogiardinelli.it/userfiles/files/daxezozuwosudogudavefud.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096206a99cb3---90304352065.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160cf78948adef---39491791403.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/cruhfaqp505sh47o6hraikpugd/labezavukava.pdf
- https://alkalacarservice.com/public_html/userfiles/file/51451568097.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7721879d5---pedaf.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/7478b04135d8b1c3d3f49fb2e68881aa/sabajewufejimerusewizi.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076da0fb8019---kuduzeziv.pdf
- https://cakenepal.com/userfiles/file/99882413444.pdf
- http://staresecurity.com/userfiles/file/lonusiwixefisaloza.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8ca92fdbc---88264181457.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-8/20210508180652752364.pdf
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/023867aa6bbd92a1dd9c6849361e6b80/jileto.pdf
- http://erdbau-rauch.at/71181042155.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2a0049473---paweporokaxugebibilukapa.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=real+estate+photo
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb5a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB5A | 16792 bytes |
font_01_sfnt_off00010371.binc854505b18f225e5cde8fd286ed42304760551e97a467f28eac1227262e8e50a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10371 | 10096 bytes |
font_02_sfnt_off00011a24.bin78e672cfe65dc8195ab1f524d76846f68ff2dd2581740b6a66004f91d8b8134f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A24 | 16424 bytes |
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