MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links pointing to various external websites, many of which are hosted on compromised WordPress installations. This structure is indicative of a link farm designed to distribute malicious content or phish for credentials. The ML classifier and ClamAV detection strongly support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://sammyurias.com/userfiles/files/32182946279.pdf In PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089156fbeba1---gorepiwi.pdfIn PDF document text
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/ddptjchjknqa49nmgc3hhbuvof/69008338844.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/jidumimom.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/6ot556c85h8fam64man6qmd69c/94098104001.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/59db2bc1e03c5c8e7dfef8b465599921/19797190033.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/0hd0tn47dpbpiu87aiio5042si/zeker.pdfIn PDF document text
- http://volkshilfe-vlbg.at/images/content/files/5015869686.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610904bc5b78a---71436877724.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608904936aaf3---vowanuzofepo.pdfIn PDF document text
- https://atl-50.com/files/file/kenixedekeko.pdfIn PDF document text
- http://arc-en-cielproduce.com/ckfinder/userfiles/files/40497094532.pdfIn PDF document text
- http://villa-carlshorst.de/sites/default/files/file/kubodanegobujiwoxos.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-7-21/20210721191445492831.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/pi82rv9674glkcpfeab46eenim/banavevikabisof.pdfIn PDF document text
- https://asfus.net/virgsurv/userfiles/file/xukodonagomatomowin.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070eb3a2df17---44108725805.pdfIn PDF document text
- http://dzbnf.com/upload/file///kitereg.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/kajidobitekovenesofupuli.pdfIn PDF document text
- https://bestrecycledautoparts.net/images_i/file/zesumokeninedutizigalono.pdfIn PDF document text
- https://bikidi.com/UpFiles/WebEditorFiles/file/81764827615.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/efe25262e2d281d86122db8f8b25cd1b/83793220886.pdfIn PDF document text
- https://zakarpattya-tour.com/upload/84342719762.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f3ec1881f11---44584566165.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16124b316cdcea---66137681199.pdfIn PDF document text
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/jl0nc3tsbqebs1v0mnmsciu4n8/zovuxavixidivakinasilulax.pdfIn PDF document text
- http://shinies.ru/img/lib/file/bemukaxefuradudetaruwed.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=predica+sobre+la+armadura+de+dios+pdfPDF 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_off0000e20a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE20A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA21 | 10820 bytes |
SHA-256: de77aa8d586534127321846c8d3640e63ab869cb7c431a4422e8e5fc845b3e13 |
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font_02_sfnt_off000112ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112CA | 19128 bytes |
SHA-256: d1de61bf84d474134050241f919f5b3add04f2db8a0d2c2412e1103de80fdfb0 |
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