MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised websites and potentially disposable hosting. While no scripts were directly extracted, the PDF structure and embedded links suggest an attempt to deliver a second-stage payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080961a7b729---83107359040.pdf In PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d74753b740---fulapasurivuxupafo.pdfIn PDF document text
- http://hidra.it/ckfinder/userfiles/files/98702358559.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/waguwiwaror.pdfIn PDF document text
- http://jar-ted.pl/file/56648413281.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f96c623772---tixelo.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/u4acv9u6e833706ag354io86ie/vokidojuteliretesidevigo.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/tukinobeniv.pdfIn PDF document text
- http://neoclassicalmansions.com/uplds/file/71956054720.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16091acaf7cc2c---netikosapezolepiboxuwaner.pdfIn PDF document text
- https://aksukartela.com/images_upload/files/nitome.pdfIn PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/41721275180.pdfIn PDF document text
- https://dadrarad.ro/userfiles/file/85837121821.pdfIn PDF document text
- https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/busatoxejeramo.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/cf36edc1113d5d3016c5cd6de5503fe6/mijigol.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ifffrafl2o25bna3090o33okp3/jusiwimopo.pdfIn PDF document text
- https://ecotranslation.ca/upload/editor/file/44211317921.pdfIn PDF document text
- http://explosivedevices.ru/media/file/74878888830.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/komojewoleruge.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+reset+d40+navara+service+lightPDF 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_off0000da87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f29e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29E | 10992 bytes |
SHA-256: c9f944d32170f089ebf821f2720e349a05837744e8c48fc1e63c1763f2342b31 |
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font_02_sfnt_off00010bf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BF3 | 16668 bytes |
SHA-256: 2ea159f0f14c97d43b689f8dbfd792932c5a1763e07d910e6f5605b610051c65 |
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