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 compromised websites or are part of a link farm designed to obscure the final destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of a link farm and compromised CMS uploads suggests an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/nakuxunulon.pdf In PDF document text
- http://nocleginaplus.pl/uploads/userfiles/files/64768384824.pdfIn PDF document text
- https://amzentransportationindustries.com/admin/imagetemp1/file/35411677241.pdfIn PDF document text
- http://thietbikhachsanvinhhung1.com/upload/files/jisafemokotasipapusegife.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/161416ab03e8b3---kunomefaliwowomekufevi.pdfIn PDF document text
- http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/kuwuk.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161336aee6b20b---mubum.pdfIn PDF document text
- https://verredistri.fr/xmedia/file/10943119331.pdfIn PDF document text
- http://catherine-massage.com/ckfinder/userfiles/files/84275920286.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613998854e98e---pijowo.pdfIn PDF document text
- http://cnwt.mgo.cool/upfile/files/2021/09/06/11439674481.pdfIn PDF document text
- http://vetportonaccio.it/userfiles/files/wijuxiwizalimikobabo.pdfIn PDF document text
- http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/53418142237.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/bkqm5aok7qieceruik2gl66g9s/wipop.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/81313587864.pdfIn PDF document text
- https://a-pointpro.com/cms/ckfinder/userfiles/files/28126254721.pdfIn PDF document text
- https://abandassociates.com/ckfinder/userfiles/files/92571665845.pdfIn PDF document text
- http://pngroup.pl/ckfinder/userfiles/files/forijipesobidiwaparezoret.pdfIn PDF document text
- http://ldkxzzs.com/images/userfiles/file/40517296785.pdfIn PDF document text
- http://www.mostex.sk/files/articles/file/26271318869.pdfIn PDF document text
- http://espaciocultivarte.com/ckfinder/userfiles/files/46909724761.pdfIn PDF document text
- http://www.itidharamshala.in/images/uploads/files/3580508988.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=outlook+email+settings+for+androidPDF 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_off0000ceb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEB1 | 10916 bytes |
SHA-256: 6b601ecdc5d8c71bf96d46c155f66883d03f4b70aab7ae7f454c214daa62e6cc |
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font_01_sfnt_off0000e7c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C3 | 19016 bytes |
SHA-256: 3e4121e86eadb771c9ccbc36a56b4904b8922ea4583cc566c6a6bd848dfa32e7 |
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font_02_sfnt_off000118f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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