MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The presence of these links and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://harasim.cz/uploaded/files/43293197059.pdf In PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136ce73e46e5---foleka.pdfIn PDF document text
- http://lecostationery.com/files/file/71774429216.pdfIn PDF document text
- http://xn--80aer5aza.xn--19-kmcm3c.xn--p1ai/ckfinder/userfiles/files/95724898562.pdfIn PDF document text
- http://viermaalh.nl/Bottesteyn/Site/afbeeldingen/file/kexakavajobinagapo.pdfIn PDF document text
- https://itscebu.com/upload/file/20210913130817.pdfIn PDF document text
- http://rockbond-aac.com/id-admin/fckImages/file/tizenusajevupe.pdfIn PDF document text
- http://kiko168.com/UploadFile/file/20210907094908946.pdfIn PDF document text
- http://metamorfozyayincilik.com/userfiles/file/88085919385.pdfIn PDF document text
- http://alpinist.store/sribati/editor/uploadfiles/degojenapowibaduwotope.pdfIn PDF document text
- http://studiosantomauro.it/userfiles/files/37370874040.pdfIn PDF document text
- https://npkfertilizerproduction.com/d/files/tuwilotapasitukujowodisif.pdfIn PDF document text
- http://pappteam.hu/userfiles/file/78716532250.pdfIn PDF document text
- http://daltan.hu/userfiles/file/94096420222.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/4acc47084e9932911e8182ae5a852d85/mumegon.pdfIn PDF document text
- https://samavetpharm.com/userfiles/files/95290394405.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/ragimifefuwave.pdfIn PDF document text
- http://tienhasteel.com/app/webroot/upload/files/64566201540.pdfIn PDF document text
- https://hum639hb2-hh38.com/contents/files/65314098268.pdfIn PDF document text
- https://superchills.com/userfiles/file/vububovefalodiwajitozopo.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/7n796g9n5866hmpjrbbkas7fv4/37589674523.pdfIn PDF document text
- https://giaphutelecom.com/tctt/sites/aaa/file/89554943011.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=the+mortal+instruments+graphic+novel+read+onlinePDF 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_off0000d820.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD820 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF032 | 17348 bytes |
SHA-256: d65833bbdbcdec02a8c4bff573ca84728bcb58ed06f0e8e1993057e31bcea61e |
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font_02_sfnt_off00011ce7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE7 | 11092 bytes |
SHA-256: e2343ba32e24e202b532d575837af22bee709d8200c0566d6d16483564c16265 |
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