MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and a link farm structure strongly suggests the document is designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://ketchas.ru/uplcv?utm_term=pokemon+go+union+square+hack+2020 PDF link annotation
- https://legyenegyjonapod.hu/userfiles/files/64267824512.pdfIn PDF document text
- http://skontrolsengineering.com/file_media/file_image/file/64899170439.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134b925d47db---vivenuzajomi.pdfIn PDF document text
- https://maxlinder.com/admin/assets/ckfinder/userfiles/files/63534702959.pdfIn PDF document text
- http://benrassam.com/uploads/files/renegavusatuzilowun.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/pawuzurigaxezamapixej.pdfIn PDF document text
- https://orderpoet.com/ckfinder/userfiles/files/45625223187.pdfIn PDF document text
- https://rm-parketi.si/uploads/gojagopif.pdfIn PDF document text
- http://medicalproduct.hu/images/files/ritijudewogesirijikiletiv.pdfIn PDF document text
- http://dkmmotor.com/files/userfiles/file/pobepofogurugepako.pdfIn PDF document text
- http://lexxyin.net/files/fckeditor/file/lajivijekop.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613d22f2de2d5---fejanibuvelijinos.pdfIn PDF document text
- http://ilovehikari.com/uploads/files/20866174244.pdfIn PDF document text
- http://ceraunavoltapizzeria.it/userfiles/files/60087015056.pdfIn PDF document text
- http://skulpt.in/admin/uploads/file/subewuxitokewedide.pdfIn PDF document text
- http://waxiangyuan.com/upload_fck/file/2021-9-7/20210907110814898685.pdfIn PDF document text
- http://iweldbot.com/ckfinder/pho/files/83368008880.pdfIn PDF document text
- http://youandisagenix.com/ckfinder/userfiles/files/sutesutix.pdfIn PDF document text
- http://drumlockingclamp.com/FCK_Editor_Images/files/28082035817.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/53ef92a8af13af6f5115edeb8930cef4/napabaruzivulize.pdfIn PDF document text
- http://recko.ru/ckfinder/userfiles/files/6159380612.pdfIn PDF document text
- http://umrllc.com/userfiles/files/vujonobamititenunarubivad.pdfIn PDF document text
- http://mp-journal.com/media/file/gebebiraz.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF87 | 11112 bytes |
SHA-256: c18fc9661229be7c08f6f695c5a0df7a3e970ece105b11700751022dcd580a94 |
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font_01_sfnt_off0000f90a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF90A | 19492 bytes |
SHA-256: 9ae26cdef5e5df673c42b163258715114f5b1f29abd0b6e08f79fbb2ecf2498d |
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font_02_sfnt_off00012ba2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BA2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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