MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many hosted on compromised or disposable domains, suggesting a link farm designed to obscure the ultimate destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating the document's primary purpose is to redirect users through a chain of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://yhbinternational.com/userfiles/file/47699226640.pdf In PDF document text
- http://termocity.by/pics/files/kozabeges.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610dced69ea52---52664631071.pdfIn PDF document text
- http://mmsmarin.com/imgimage/file/nemudukixobo.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16071c381efe01---15149328286.pdfIn PDF document text
- http://hyperasp.net/userfiles/file/35965466301.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/5794b6a91df4f8e1585ce3938610b7da/35243892116.pdfIn PDF document text
- https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/wisabifuza.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b981bbb4f05---xazematuwisimifapuwe.pdfIn PDF document text
- http://alemotta.com/resources/original/file/gezokasajipurudaxalefi.pdfIn PDF document text
- http://marcth.pl/media/fck/file/86501465181.pdfIn PDF document text
- https://costabravas.com/uploads/localidades/files/foketina.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/06f861e512ad01bda9ae883fdd671af0/4790349147.pdfIn PDF document text
- http://mitcostruttori.it/userfiles/files/5829780627.pdfIn PDF document text
- http://aitrans.cn/UploadFile/file/F1202108110730097476.pdfIn PDF document text
- http://bogaarchitetti.it/userfiles/files/44349151051.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/8ffe1fccbac3f691134975b1adadb725/kenatatetu.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa89921c4a---17667653088.pdfIn PDF document text
- http://brmhn.com/userfiles/file/20210629140403_77lhmx.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/ec3070f131d2cc72a9dbd0eef96e386b/64305274819.pdfIn PDF document text
- http://amongelite.com/ci/userfiles/files/78772321624.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adeb6c5a993---11701617533.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160b325b1d3639---24856638345.pdfIn PDF document text
- http://kavernoklub.com/campannas/file/lovodigamanawulopiji.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=south+african+k53+learners+test+papers+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_off0000fada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADA | 11288 bytes |
SHA-256: 72fc96b6f5ff0fc8b4f511eda6049a39170d326a7d54b11f8999e3fefdacac00 |
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font_01_sfnt_off0001155d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1155D | 18064 bytes |
SHA-256: c9c89f253477b7ddcd098f0ae32b867956b9c1d491299f2207c5adf759b9557e |
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font_02_sfnt_off0001447a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1447A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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