MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains embedded JavaScript and numerous external URIs, many of which are part of a link farm hosted on disposable or compromised domains. The embedded JavaScript likely facilitates the redirection to these malicious sites, which are designed to deceive users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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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://philabc.ru/uplcv?utm_term=2016+dinghy+towing+guide+pdf PDF link annotation
- http://samromschool.com/UserFiles/file/66446130198.pdfIn PDF document text
- https://nikoljski.com/ckfinder/userfiles/files/dutisemejivapigux.pdfIn PDF document text
- http://mextro.de/upload/files/suzuz.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1607df3f248200---89519499887.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e7e44c91e---21529397729.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/48226352973.pdfIn PDF document text
- http://www.pilartangguh.com/file/gawibewu.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/ganabi.pdfIn PDF document text
- http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zirekolamagisezosemali.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/rusota.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/boziminamegijejanaxogixa.pdfIn PDF document text
- http://cristalensi.com/public/File/netiwatijonajatujun.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/5b36959bec362094ace6bc512b2eaf23/gopavabekifim.pdfIn PDF document text
- http://tanriovermensucat.com/uploads/genel/files/20909878088.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/h242v438r33dacdapj8au71205/desipisilikugumowoxa.pdfIn PDF document text
- http://dongamold.com/fckeditor/upload_files/file/turikuwojedalilupiza.pdfIn PDF document text
- http://usateatop.com/_upload/files/84051671925.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5d3abc93f---49519822313.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b4708007cf3---wotedopaxitirot.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/wasamudixoziz.pdfIn PDF document text
- http://oipipleszno.pl/userfiles/file/bufepotujevebel.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/9c8jhnv9dnpdvml91becp411f5/mitafopesibak.pdfIn PDF document text
- http://www.smartlandgroup.com//ckfinder/userfiles/files/juxupokivujegopujarebupo.pdfIn PDF document text
- http://studiotecnicodavico.eu/userfiles/files/18165988704.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_off0000c2ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2EC | 17216 bytes |
SHA-256: fb196c1bc3430d581aabc735c3c8896a2d33e39e43ae39f9358d025a3ec9f1eb |
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font_01_sfnt_off0000ef9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF9B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B2 | 10964 bytes |
SHA-256: b9b1fb7f4eb15870910518fe1d5ff1684f6a67e4ea2b955fa855f6ce65c2e8ff |
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