MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to numerous URLs, many of which are hosted on compromised CMS platforms or disposable domains. This behavior is indicative of a phishing or malware distribution scheme, aiming to lure users to malicious sites. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://metalzilembo.it/userfiles/files/28588442638.pdf In PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/a74a3ec3fcb94f99bf57cca607bbf412/91626752308.pdfIn PDF document text
- http://lexprikson.com/admin/style/images/userfiles/file/74236454264.pdfIn PDF document text
- https://cremyco.com/app/webroot/docs/file/67084334087.pdfIn PDF document text
- http://wonikquartz.com/upload/editor/file/1631562008.pdfIn PDF document text
- https://vcvscr.cz/www/www/fckphotos/file/84889441259.pdfIn PDF document text
- https://paperland.bg/uploads/file/26885261108.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16134b91f4c6ef---38957046848.pdfIn PDF document text
- http://eastcity.hu/ufiles/file/14292894267.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb909dae42---72242773270.pdfIn PDF document text
- https://idea-web.ro/app/webroot/files/userfiles/files/jekolabesajumom.pdfIn PDF document text
- http://lasermedia.cn/userfiles/file/63727219496.pdfIn PDF document text
- http://rutka.pl/media/upload/files/700b3de630ac65ea15b0a1a05310ded8.pdfIn PDF document text
- https://holcom-solar.com/webroot/img/files/sejigilologaxaxuluxoduri.pdfIn PDF document text
- http://ieltsadd.ir/cache/fck_files/file/30502307739.pdfIn PDF document text
- http://microcement.ua/userfiles/file/nobevaluxexage.pdfIn PDF document text
- http://synagoge-stommeln.de/ckfinder/userfiles/files/vatov.pdfIn PDF document text
- http://meuble-tunisie.com/userfiles/file/5491382601.pdfIn PDF document text
- http://longruiglass.com/ckfinder/userfiles/files/20210914_170259.pdfIn PDF document text
- http://sichera.eu/userfiles/files/13434483161.pdfIn PDF document text
- https://lanegarrett.net/userfiles/file/lejafexituga.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/q456g3crcrmpt8t14nd3o9q5g7/vifeletekef.pdfIn PDF document text
- http://antwerp-reefer-tournament.be/argt/files/8354849440.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=transformers+2+stream+onlinePDF 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_off0000e0de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0DE | 17456 bytes |
SHA-256: 9e88edf7c718de558a5f36f450bd289ee098df7a36420c9ccb5494911c8b5002 |
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font_01_sfnt_off00010dc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000125dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125DD | 10456 bytes |
SHA-256: 2452c6b1ffe610372ab329902a0132ad8ec1f01c1d0c2eb539192445b4bacd26 |
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