MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://itexpertdog.com/upload/files/pefoxapiduriwakizagus.pdf In PDF document text
- http://zechnerbau.at/images/content/files/zaxazetaxuf.pdfIn PDF document text
- https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/zimizemopaparaxiribegob.pdfIn PDF document text
- https://tectrongim.com/uploads/file/sudomorisina.pdfIn PDF document text
- http://textingrights.com/userfiles/files/43551876135.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/161345c68aa2a8---kowapubusezewu.pdfIn PDF document text
- http://abwplazaview.com/uploads/files/nerumaf.pdfIn PDF document text
- http://baohanhranghm.com/upload/img/files/8673303652.pdfIn PDF document text
- http://winecellarkeeper.com/ckfinder/userfiles/files/tutovelumefusugosekiki.pdfIn PDF document text
- https://emons-verlag.com/testarea/cwsCMSlight/media/files/duvaxidoletajigevemalim.pdfIn PDF document text
- https://confidence-ist.com/ckfinder/userfiles/files/lupimaleragifavifiwiz.pdfIn PDF document text
- https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/zenopogos.pdfIn PDF document text
- http://vekosgroup.ru/userfiles/file/vubojuba.pdfIn PDF document text
- https://etcbt.com/userfiles/file/nomeriribodovejigopidadi.pdfIn PDF document text
- http://phuwangnam.com/user_file/file/toparomoxumorax.pdfIn PDF document text
- http://kvrhousing.com/uploads/feteredubedoxutunolug.pdfIn PDF document text
- https://ever-progress.dacola.com/upload/files/jibejozojenomirod.pdfIn PDF document text
- https://smilaxlabs.com/userfiles/files/nebunixutoxujadidive.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/brjq4bpmdurf628l01o7qvtflc/80354759898.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/pesefijonemutizigopo.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/hsc4hrgq9gro7hvg52qur7151q/lurufo.pdfIn PDF document text
- https://ccaquebec.com/userupload/files/zatel.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=best+launcher+for+galaxy+foldPDF 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_off0000c00a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC00A | 17508 bytes |
SHA-256: d285c4f592684c7b932d8cf48b26b5aa4de9edeb6454621fa6ac3459867fa1af |
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font_01_sfnt_off0000ed16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001052d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1052D | 11032 bytes |
SHA-256: 89053ab631fce766d53e1cabfe9ca30e2060c347e8b7b1809bcacfd225a80525 |
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