MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document identified as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress sites, likely intended to lure users into downloading further malicious content or visiting phishing pages. The document body is unreadable, but the heuristics indicate a phishing or malicious content distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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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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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.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e5a2563a415---93514883934.pdf In PDF document text
- http://carlaschroyen.com/content_docs/58177473750.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/ff5c0907e96ff6ab82c5f6da648606f1/93544725370.pdfIn PDF document text
- https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/1vjnqj66269k15lm068mu0qcb5/61055201681.pdfIn PDF document text
- http://paradisetnl.com/FileData/ckfinder/files/20210703_B8183B6EC51143CE.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b52331e5f95---sakofazi.pdfIn PDF document text
- https://eslms.com/userfiles/file/55050261439.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fd6942e49---pakikitanux.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/siwakolevafoge.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16077cb6ad08a4---46122518822.pdfIn PDF document text
- http://sobinco.cz/ckfinder/userfiles/files/xaloviguzagaveka.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/65ab2f6e3598d61126cc9ec803ccb37f/jubawotejiv.pdfIn PDF document text
- http://jdjcnc.com/upfolder/e/files/20210629160847.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/50956944324.pdfIn PDF document text
- http://www.fonfe.com/uploads/files/xiwop.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070242c51b39---nagelela.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/tnibfkig95ck06s6bif8g93nq2/55554157269.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/89286458492.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8623f04be---43237759129.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad94fe36b9---movamufopoxanejojex.pdfIn PDF document text
- http://primaneighbors.com/userimages/15805874049.pdfIn PDF document text
- http://maristaslardero.es/userfiles/file/20489375006.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081c4ffd1791---48600178909.pdfIn PDF document text
- http://villaelen.it/userfiles/files/kixosubi.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096c8504a2c1---9715674632.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/4006eb043713e3174a3dc067dfa40886/xixategazapiw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=blackfoot+first+nationPDF 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_off0000f758.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF758 | 10344 bytes |
SHA-256: d796edd9d1563010ab12ba90130d27f59db016a9ac377556f9d8fc8a5c5e57ac |
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font_01_sfnt_off00010edb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EDB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000126ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126ED | 17128 bytes |
SHA-256: ee8fe6bb284491b5aeb7b6b71d7fb4a36467f1d0b316bd2e733a44aeb8ff3864 |
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