MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Static analysis revealed it functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting. The presence of multiple PDF link farm heuristics suggests a deliberate attempt to obscure the final destination and potentially distribute phishing content or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://thefjordbaklawfirm.com/clients/876731/File/61108971694.pdf In PDF document text
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/8264bcab4b4c067802c424ad0ebf36b7/witubumufa.pdfIn PDF document text
- http://oticonshop.net/ckfinder/userfiles/files/zeguloravekemewotot.pdfIn PDF document text
- https://jordanadams.com/ckfinder/userfiles/files/jarokezomokegixiguwitos.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65f11993a7---bumumu.pdfIn PDF document text
- https://tyeetomsfishing.com/userfiles/file/monogerovugakezawuze.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160cd703d98129---demajuvekakamegolukagofo.pdfIn PDF document text
- https://birudongker.com/contents//files/tavuneten.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/09m1l2dg3m67k7o292bdq6v4l1/rakixib.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9061ada56.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160d91db5a4ace---zazisapuzaruvafepazufufo.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160820abaa3559---pivov.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/xonigaton.pdfIn PDF document text
- http://alptw.com/images/files/404155942.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/e25c6b6bb8b54a9d68be42a163dd9e8b/23402099057.pdfIn PDF document text
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/4065667925eb2dc330abdc053564333a/47169038083.pdfIn PDF document text
- http://project-lovcen.me/userfiles/file/58758165456.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160ab4f191420f---55922462059.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/9af70be9ca14d9598dbcf416bb7223ae/nanapuwejenubalemize.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/595883ba625cac352126492721e40be2/21497200865.pdfIn PDF document text
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/1c738842a32848460038c35e7db18c03/69413264290.pdfIn PDF document text
- https://suavitinhtannha.net/upload/files/14632581697.pdfIn PDF document text
- http://amdind.com/userfiles/file/96007169741.pdfIn PDF document text
- https://go2germany.ru/files/file/sajawitomoziwefurozuneker.pdfIn PDF document text
- http://fitviewer.biz/files/file/vufileruzuxinifazo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=manual+de+diagn%C3%B3sticos+de+enfermer%C3%ADa+%28nanda%29+seg%C3%BAn+necesidades+de+virginia+hendersonPDF 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_off000132d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132D3 | 18536 bytes |
SHA-256: e131e201f41c998840fcd89af42bdd664ef5f5c3ba680ff04a399bacb04ceb05 |
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font_01_sfnt_off000161d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x161D0 | 11552 bytes |
SHA-256: 0697e01885965e7374b3fe2510e1880fc6e89965e712e651fac398a3a6026484 |
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font_02_sfnt_off00017c6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C6C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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