MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure and link farm behavior are consistent with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://bjallstar.com/upload/file/lezimekedevix.pdf In PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cdc3c6665---11072451330.pdfIn PDF document text
- http://olddieselparts.com/ckfinder/userfiles/files/39224014838.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16109f05cc2700---dununuborep.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/9068249704.pdfIn PDF document text
- https://happycolaborativo.com/uploads/files/dovipogexijexurodu.pdfIn PDF document text
- http://dd-eng.com/files/files/fopij.pdfIn PDF document text
- http://erbaytag.com/resimler/files/lufebi.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a2ff8b8b5---47201929093.pdfIn PDF document text
- https://anmimar.com/royal/userfiles/file/51892156852.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160759529006bc---72389290636.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/3f718d90f53ba5294efc3cfad6a3dd0e/53975884240.pdfIn PDF document text
- https://o-dance.com/upload/files/sanuxapifal.pdfIn PDF document text
- https://samsungdvmklima.com/upload/ckfinder/files/23774433939.pdfIn PDF document text
- https://www.puskinas.lt/ckfinder/userfiles/files/rekunajodovoleten.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a447d91d6---86900477540.pdfIn PDF document text
- http://abwlondonblvd.com/uploads/files/nowotekowirenokojutazasow.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee6123ea3a2---9337177355.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/16308105617.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/koxikatumabarokowal.pdfIn PDF document text
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/7f3bb8a43d05ed92c08baf0b0ba5a3ca/zezojopadulu.pdfIn PDF document text
- https://www.multilandtours.com/assets/ckfinder/userfiles/files/7283616643.pdfIn PDF document text
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/darixaxepokotezave.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/5081129720.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=deloitte+digital+strategy+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_off0000b6dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6DD | 14388 bytes |
SHA-256: 690fc78cc667cfe830ac7d61c9375d3404e457b50208769dbcd6e4fa7e912a4e |
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font_01_sfnt_off0000da91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA91 | 10684 bytes |
SHA-256: d2d3cfabfa62272bc9306611a1b80bb2f155c92e3205f82b5c2f5d6c754cea52 |
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font_02_sfnt_off0000f2fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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