MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document exhibits characteristics of a phishing lure, indicated by the presence of a visual download button and numerous links pointing to compromised WordPress upload storage. The ML classifier strongly flagged this PDF as malicious, and ClamAV also detected it as a phishing trojan. The document's content and structure suggest an attempt to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://irlanc.ru/uplcv?utm_term=cds+2020+english+paper PDF link annotation
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a29207830---99996928962.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/394c3ee7719afba60807bb764b0af80a/wijazaretadanewasaziwono.pdfIn PDF document text
- http://julianowka.pl/ckfinder/userfiles/files/43835194390.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bac5e64afb2---bojivexurominagoxux.pdfIn PDF document text
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/63e2e0cf0a06a298e7feec562a823707/sovozaviririni.pdfIn PDF document text
- http://malbreil.com/userfiles/file/87098882168.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4f302ad9f---pisiwosalut.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab99a55cec1---jisugekavowogusal.pdfIn PDF document text
- http://hongshengfish.com/uploadfiles/20210604/2106042131321289060zgk0n3w36z9.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16072dcd5c975f---diripagav.pdfIn PDF document text
- http://goref.ru/files/file/25673935924.pdfIn PDF document text
- http://marinapogon.pl/upload/file/6964132991.pdfIn PDF document text
- http://fw-simple.com/uploads/files/fubodilamijuzi.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160974b36b4b3a---35474904755.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6c47aef71---lijabutanizimijo.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d392b125fb---63940162060.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE819 | 5400 bytes |
SHA-256: cd17d6127629bf06eb2c1dcf5dbf325f8d351ee56e1004e7f18fae340803aba0 |
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font_01_sfnt_off0000fa67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA67 | 10924 bytes |
SHA-256: 9f334e390401f739327bfe127ea2deb89240061f2b6a2398c592ca9be6ce9b6a |
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