MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan payload. It contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, likely intended to redirect users to malicious content. The presence of external URIs and a link farm suggests an attempt to distribute malware or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://catamma.ru/uplcv?utm_term=premier+league+player+app+pin+code PDF link annotation
- https://efnnma.org/files/file/94962639581.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/rosijulodobaripujotevuli.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160968450d35e5---91017711011.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c12d0ace6---wonomezerarox.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/a5bfa40eb094d95fe21d6d0bb0838906/wiwupipijopozezenuzoduvo.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a388802fadb---53255468797.pdfIn PDF document text
- https://pharmawell.eu/ckfinder/userfiles/files/58948633222.pdfIn PDF document text
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717de7c06dc---83167290806.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/596a5b172d2487a078ae4f59ac8e05cb/30360316719.pdfIn PDF document text
- https://aashianarealty.com/file/fexes.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/nk34noral2eiep342861spvpk8/77055127785.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bd727cd62b9---27546029583.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/i16vrqh91q5g85e9kqlmr74n1v/54128794311.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/0qlf7m0t8f6mai7grtn63r557a/41137456041.pdfIn PDF document text
- http://aroma-es.red/yamituki-n/uploads/files/pojusiro.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/daf7597ea2de74cc38faa2e651006765/zorukupaxodebopituj.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/gobedusozewajopavi.pdfIn PDF document text
- http://csc0535.com/userfiles/file/20210716100004_nelucm.pdfIn PDF document text
- https://haciendaloscipreses.cl/upload/file/tizimosavifarenugut.pdfIn PDF document text
- http://viettranslators.com/webroot/img/files/83381415497.pdfIn PDF document text
- http://ladyvenus.it/userfiles/files/nusajamufetosubutilav.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4c11796688---voseloj.pdfIn PDF document text
- 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_off000116e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012f00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F00 | 10804 bytes |
SHA-256: eddc7ed93110e9730d531209efcc705829f6f704b0365ddacf153328840b22c2 |
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font_02_sfnt_off0001479d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1479D | 17240 bytes |
SHA-256: 11be0d989fe7d6a16c6a1157092f769141007d3ed33deb42a24fce9ba4057bbf |
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