MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or are part of a link farm on disposable hosting, indicating a likely phishing or malware distribution attempt. The presence of these links suggests the document's primary purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://refinerlink.com/userfiles/file/75686810620.pdf In PDF document text
- https://uleiuri.ro/userfiles/file/51696254686.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/balebilinekenit.pdfIn PDF document text
- http://www.ks-klinika.ru/ckfinder/userfiles/files/14157775440.pdfIn PDF document text
- http://osteriadelcampanile.com/userfiles/files/200726886.pdfIn PDF document text
- https://degardo.hollandpazsit.hu/ckfinder/userfiles/files/zudexotobijizodilaj.pdfIn PDF document text
- http://progfin.pl/userfiles/file/gebuwimojeduterinijudexuw.pdfIn PDF document text
- https://webmakler.org/userfiles/file/62588136586.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/g7pc0tk0qa2e6t6u7smsbs6s8s/fomubepofupawe.pdfIn PDF document text
- https://dnsbp.com/all4help/fckuserfiles/file/wojodonomufev.pdfIn PDF document text
- https://safarekhoob.ir/basefile/safarekhoobir/files/xagokiminijom.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143a2e7eb665---xewovugixago.pdfIn PDF document text
- http://gangwonbnb.com/FileData/ckfinder/files/20210907_695887820BE14C73.pdfIn PDF document text
- http://zbraneklapka.cz/ckfinder/userfiles/files/vobadikejabis.pdfIn PDF document text
- https://dichvumayphoto.vn/webroot/img/files/88922548178.pdfIn PDF document text
- https://chulintemple.org/CKEdit/upload/files/sutabilu.pdfIn PDF document text
- http://banghetretruc.com/media/ftp/file/6951803629.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/jibanu.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/49388441295.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614424652fcd4---11337031430.pdfIn PDF document text
- http://fge-service.com/userfiles/file/68458967217.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135f8df26b47---17073774266.pdfIn PDF document text
- http://autowassenindex.nl/images/uploads/96823829233.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16141b7f669ce7---balosejimix.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=watch+say+yes+to+the+dress+season+17+online+freePDF 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_off0000b044.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB044 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC856 | 15152 bytes |
SHA-256: 9c4a9cf9b84fab9261bdba109dde8a5a733b20e49587f5d69545c7bb44af2496 |
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font_02_sfnt_off0000ee16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE16 | 10780 bytes |
SHA-256: a3d0c193a8cb91fe0dae7aeaac0a67723a0b907751bf79828bb59b0e44f2f76f |
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