MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of URLs, many of which point to compromised websites or disposable hosting, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to trick users into downloading further malicious content or visiting malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://drafthe.ru/uplcv?utm_term=como+corrigir+pdf+corrompido PDF link annotation
- http://hoangminhphatkorea.com/webroot/img/files/51705848975.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccab2f21ed5---24777622575.pdfIn PDF document text
- http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/pevuruzizuju.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5c5f4863c---36539920073.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd237be1d8---toxedanizog.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/794c1c3126265efb29e7c3af08b617f5/nimirudowoj.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/3fc64414fa35bce15001e48b6d0602c5/buwopozefesodi.pdfIn PDF document text
- http://kuppersbusch-center.ru/uploads/files/79746253439.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080b5d0061dd---zegekasiwagofi.pdfIn PDF document text
- http://johnsonsdynastyincfamilyassociation.com/clients/10108/File/sezudikiguradudi.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/7bj0qsn1as7fpvs8n58ojhnsl0/7153094910.pdfIn PDF document text
- http://veribase.com/E/file/32431532080.pdfIn PDF document text
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/kesimodetivutajovebilav.pdfIn PDF document text
- http://candybeauty.vn/upload/files/64503478688.pdfIn PDF document text
- http://rialta.ie/userfiles/files/20474679553.pdfIn PDF document text
- http://tuzy.pl/Upload/file/87773749115.pdfIn PDF document text
- https://charterfori.ir/basefile/charterforiir/files/firojuvebebejenu.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/57260300507.pdfIn PDF document text
- http://friulanamarmi.it/images/file/28172997619.pdfIn PDF document text
- http://calhi1977.com/clients/879053/File/lujupazunot.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16079956436aff---tezus.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/0lvfh7ncohvttctp8psolgqd97/87753752224.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/29c04df0ae28bd7639d74ef07dba80a2/judafezesaso.pdfIn PDF document text
- http://aihyang.com/userfiles/file/rurikenerezogasegewetanu.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/7balsih9tapgdr46r5eh0mv69v/gupifujuwakiguxejizisitek.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_off0000d6b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B4 | 17872 bytes |
SHA-256: 92ba0d6d5b01e2751c0a404d58aebd90438faf8e983e41189d794c584e137bf0 |
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font_01_sfnt_off0001044e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1044E | 10284 bytes |
SHA-256: 1685edc138e6b6632246fd73115c3b00132b4eb21eebccadba9e15272157a1f3 |
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font_02_sfnt_off00011b2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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