MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while numerous, are the primary indicators of the attack pattern, directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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.cifphosteleriayturismo.es/ckfinder/userfiles/files/94823832542.pdf In PDF document text
- http://paradoxine.com/upload/files/59503845906.pdfIn PDF document text
- https://grootformaatspandoeken.nl/userfiles/file/tefuxoz.pdfIn PDF document text
- https://btegypt.com/file/bosujoduxifujujutofibol.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/dojagokakomesolowigajagi.pdfIn PDF document text
- https://navliecky.net/userfiles/file/naxuvedumi.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c984ae3f7f---15744075031.pdfIn PDF document text
- http://talk200.com/admin/admin/uploadfiles/file/vemavavewumev.pdfIn PDF document text
- https://kindeeyudee.com/ck_files/files/figikeresezuvarujewigojo.pdfIn PDF document text
- http://plkorea77.com/ckupload/files/bidaxi.pdfIn PDF document text
- http://nawooelcs.com/upload/userfiles/2021/09/files/210918222902.pdfIn PDF document text
- https://taumed.kz/upload/2021/10files/211001104920322096cai1j.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/3518ba78eaba889b522a97ca2a410423/99541322571.pdfIn PDF document text
- http://metabolit.ru/files/file/57082384864.pdfIn PDF document text
- https://vico-immobilien.com/ckfinder/userfiles/files/zukogoratonegajokipujozur.pdfIn PDF document text
- http://faurau.com/luodan/images/userfiles/file/4689585908.pdfIn PDF document text
- http://leylasuren.com/images/userfiles/imagefile/vuropiw.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614894086a63e---21664383349.pdfIn PDF document text
- http://odra.cycling-recycling.eu/imgturysta/files/16717065444.pdfIn PDF document text
- http://easyhypermarket.com/userfiles/file/92270831448.pdfIn PDF document text
- https://laatuwhuisweerstralen.nl/upload/file/26784566980.pdfIn PDF document text
- http://diakmelo.hu/ckfinder/userfiles/files/kukovugemokafegenunoxuj.pdfIn PDF document text
- http://moscowballet.ru/userfiles/file/fupovexuderunab.pdfIn PDF document text
- http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/20191232690.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/koteruzikobikopip.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=how+many+beers+are+equivalent+to+a+bottle+of+winePDF 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_off0000b132.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB132 | 15872 bytes |
SHA-256: 6d33272554f7fdc5320863cc2f479bf9f8a9b81587b8da4b3de5fa1d42b0ef38 |
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font_01_sfnt_off0000d93d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD93D | 11020 bytes |
SHA-256: f54f88ee3d0508b6132e2786e25821920c9af5ea61d2a71213b635010e6b677d |
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font_02_sfnt_off0000f2e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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