MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. The document contains numerous embedded URLs, many of which point to compromised CMS upload storage or are part of a link farm hosted on disposable domains. These URLs are likely intended to redirect users to phishing sites or download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://phs60sand70sdecadesreunion.com/clients/880504/File/38850510262.pdf In PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080a77fad9f2---34480493911.pdfIn PDF document text
- https://citytrafik.nu/images/file/makenekobetij.pdfIn PDF document text
- http://quetthe.com/upload/files/85770646596.pdfIn PDF document text
- http://mariopresto.pl/userfiles/file/lejizagupekoros.pdfIn PDF document text
- https://ijieet.org/ckfinder/userfiles/files/viretaletuvovatila.pdfIn PDF document text
- http://casinodanmarkjackpot.dk/userfiles/file/pijuvipotepe.pdfIn PDF document text
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/126556b350a08e807e23415e73373d7b/62957381028.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f59126bd8d---63566414232.pdfIn PDF document text
- http://vita24h.com/uploads/userfiles/file/gudusetusotisi.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/007c13d32f3209f682315451594e3cfb/busakapiwej.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca9f48dc82---98047026141.pdfIn PDF document text
- http://onlineticketreview.com/images/file/17616166683.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/bdb19af0bd9e6248fdd68f729010ed5f/49878526241.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/siwakolevafoge.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b0805bc88f---34065352389.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160780c87718fc---25808192344.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf58dcdd02---92954831690.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/fu2s466548dmvbupdr7a1aagtc/depojivovuvefuboj.pdfIn PDF document text
- http://mweb.cz/images/file/xadewonejijotukijabuvovar.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/7e664d96357d38ad5a8c74b52b02595b/16545508985.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/2pn7ua6eu7k07tqsd2nddahi4u/tifowowufivolikokix.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=small+towns+in+kentuckyPDF 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_off0000e78e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE78E | 10756 bytes |
SHA-256: 19a45e8741432c222e1789b01eeca4975157de324961d1174c0572fed49386ee |
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font_01_sfnt_off00010060.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10060 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11872 | 17076 bytes |
SHA-256: fc59f38d8e344a399a23cec04b324191dac263cbc980b4a3a4fb8c66e9a8a675 |
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