MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c17d98be151---taluwisiliposo.pdf In PDF document text
- http://langeline.com/ckeditor/upload/files/xigajupukosivi.pdfIn PDF document text
- https://textosolutionslinguistiques.ca/upload/editor/file/fukij.pdfIn PDF document text
- http://kxnjl.com/userfiles/files/tudifurinunugarulelot.pdfIn PDF document text
- http://www.saaegfpolis.org.br/ckfinder/userfiles/files/xuvekasolenimumupe.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bdf90d0fefb---disagufanewoloduredez.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d68c2ce2c44---69847601028.pdfIn PDF document text
- https://vivekanandbawwa.com/userfiles/file/49587948305.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/8a6403e646905f280d04f4c0f189f1ec/37745412411.pdfIn PDF document text
- https://n-v-v.dk/userfiles/file/44687369257.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/0060f5587568e3a38f039c3f538acd04/modinovigowikepotukokom.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096c34305a77---97310918898.pdfIn PDF document text
- http://cycling-software.com/files/file/kakizavafamedo.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c03ff61fdb1---42439875427.pdfIn PDF document text
- http://bike-aholic.com/UserFiles/file/78354099762.pdfIn PDF document text
- http://baiduvpn.com/upload/files/6468459966.pdfIn PDF document text
- http://auxerretv.com/content/public/file/92500690070.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/f90e421a343b262d8f0151aae68daab2/54622461806.pdfIn PDF document text
- http://korvet-sp.ru/userfiles/file/23373239182.pdfIn PDF document text
- https://www.eos.org.eg/ckfinder/userfiles/files/22046903783.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/4999512282.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=nespresso+inissia+espresso+maker+manualPDF 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_off0000c009.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC009 | 10484 bytes |
SHA-256: 5a9e4fa8862062bee5816b524944388de7646b8d643420d3f8c62ebc08407427 |
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font_01_sfnt_off0000d7cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDF | 17232 bytes |
SHA-256: 4f2eed5024174469b7afe5046acb7277313d65d0b61115752a80c8a714a6f699 |
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