MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to lure users to external sites. ClamAV and an ML classifier both flagged this file as a malicious phishing trojan, supporting the assessment of a phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://avstralianature.ru/ckfinder/userfiles/files/54480293362.pdf In PDF document text
- https://kme.pl/global/app/webroot/uploads/file/16305193386756.pdfIn PDF document text
- http://platcometals.com/images/file/94068854512.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/bb02c72599055f9fc4bb8139872305ea/bazikepibedokodomepajoji.pdfIn PDF document text
- http://bhttourist.com/upload/fckimagesfile/filokuxemudetomem.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134dbfb0e42c---51199492314.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/nusanupelodixi.pdfIn PDF document text
- http://pereplanirovkaoblast.ru/pict/file/80773096158.pdfIn PDF document text
- http://abwrva.com/uploads/files/refij.pdfIn PDF document text
- http://kalkulacka-hypo.cz/userfiles/files/6737216331.pdfIn PDF document text
- https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/41197227475.pdfIn PDF document text
- http://cargologicru.com/sadm_files/60179309801.pdfIn PDF document text
- https://dovolena-jiznicechy.cz/uploads/jiramanubuxuxo.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/pujukadawozezotexeluxisus.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/a04d55bfd2827aa10dd60f0b91805868/21194542154.pdfIn PDF document text
- https://bulendengin.com/upload/ckfinder/files/naxegexavukonajo.pdfIn PDF document text
- http://studiomilano.eu/userfiles/files/rejuvariwokokutojep.pdfIn PDF document text
- https://isitekmuhendislik.com/userfiles/file/nedegiw.pdfIn PDF document text
- https://vandolderskb.com/images/usr/99282224561.pdfIn PDF document text
- https://tatsolarlight.com/uploads/files/77866159376.pdfIn PDF document text
- https://kokomanis.com/contents/files/punuxovejurimixibuboxuke.pdfIn PDF document text
- https://gospel-streams.com/asset/ckfinder/userfiles/files/rolexizufa.pdfIn PDF document text
- https://alharithiforcameras.com/ckfinder/userfiles/files/dufiloxodivegusotosotes.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=minna+no+nihongo+mondai+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_off0000b992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB992 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d1a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1A4 | 19076 bytes |
SHA-256: fd1819b8301c24722f86175d05abba75dc54b19cf02252458a72fe6676e6b0e6 |
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font_02_sfnt_off0001029c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1029C | 10392 bytes |
SHA-256: d66fb2698f906bf0e4f032c8e7118c78ca63ab5037170c8440254d67272475be |
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