MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or phish users. The presence of embedded URLs and the nature of the heuristics indicate a likely spearphishing attachment used to redirect victims to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9918
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 http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd06078618---katibixawijezojej.pdf In PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/d761532e8e89273794672bfc7901b8a2/womobeworesazig.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/d1fda9000a335f4c82c69b75d1d17a2b/wujakumedaxowojijur.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfaf1eb8eb---53964271195.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778148af0a1---vomitalulaxofa.pdfIn PDF document text
- http://apricomm.com/userData/board/file/90011658214.pdfIn PDF document text
- http://primebrokeragetx.com/ckfinder/userfiles/files/visizumopem.pdfIn PDF document text
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/rerelizeramopufiwidotimo.pdfIn PDF document text
- http://firegallery.ru/img/upload/19737962054.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/svvrd8d8a7h7r0fiaqr18tlf32/66975491018.pdfIn PDF document text
- http://anhuizpyy.com/upload_fck/file/2021-6-11/20210611155406689053.pdfIn PDF document text
- http://atek-ent.com/upload/file/jewejivizewunu.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d6796b646---konagoparepemixonifitetit.pdfIn PDF document text
- http://progfin.pl/userfiles/file/gedorizo.pdfIn PDF document text
- https://avgdesign.com/userfiles/file/22676401140.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/bd4b91ffd76cfba0c3d473f6b5c81c58/zodarukewipikomozexarij.pdfIn PDF document text
- http://southfieldhigh1973.com/clients/2/27/27a5067865c8334ad4a5a1fd7642c928/File/47214614032.pdfIn PDF document text
- http://whewfamily.com/clients/12004/File/vedufatigajiwekasat.pdfIn PDF document text
- http://valeneighbors.com/userimages/72888632510.pdfIn PDF document text
- https://hanahana.vn/media/ftp/file/37873878785.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160bf83439dc0f---26765584353.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/eed1948a14e62743bc7646a37f97ca2f/11365034880.pdfIn PDF document text
- https://cooperspick.com/files/97256312423.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5fc4c3eda---92818390574.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=vegan+lunches+for+workPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/9e18e9d295497a4d2ca6f1594047ad3d/valovo.pdfIn PDF document text
- 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_off0000f65c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF65C | 16312 bytes |
SHA-256: 7d15b2d6d265aaca51dda18faee70a1b8fa9d95ed54cb111fb0895789092f9ae |
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font_01_sfnt_off00010c67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001247e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1247E | 10672 bytes |
SHA-256: 07fc4701231e1354f71ff01e169b369e6b203303b482bd0c2b794cca2339b205 |
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font_03_sfnt_off00013d00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D00 | 18288 bytes |
SHA-256: 4a5f18627f210492b217612f01122831413e1eb1c4c6f788e24e89a53a72b108 |
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