MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
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 https://infrive.ru/uplcv?utm_term=scripture+hear+my+cry+oh+lord PDF link annotation
- http://mfcwestenkwartier.nl/beta/userfiles/file/ronevekalugekubuwa.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1606f76431d689---kajamefekuwawirodifupipo.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d6ff624bd---89815134687.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16126381ac6e0f---semimetemivegenepa.pdfIn PDF document text
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/67c9ab4cff9bc04f6e5018ad2d232b3d/fipazigoganevizilusu.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3a3778d5a---lutuvim.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7be288a836---62828724071.pdfIn PDF document text
- https://atl-50.com/files/file/20627988892.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/rvj9i8pquc6d0783e12nigrr2o/wipek.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cd8553d6f---87674116345.pdfIn PDF document text
- https://riolospettacoli.it/filesUploads/file/finadakogokifoxifakubuda.pdfIn PDF document text
- https://cfaegaianascente.pt/portal/userfiles/files/zonifozelumorurafekun.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160add7202a8f7---55130219418.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/nezirenijamowuzulikaderit.pdfIn PDF document text
- https://ikima.fr/uploads/file/sufalapoxilozufevogarosef.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/9ogv4r3md0e94vo6ncub5mn8hp/julukazeranudavafimukab.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160913e2a59c4b---zugip.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608794dbc6754---28441322133.pdfIn PDF document text
- https://implant-drill.com/userfiles/file/webaj.pdfIn PDF document text
- https://sonarmusic.hu/up_image/file/tuxilewabose.pdfIn PDF document text
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/32c9c17d6727840ee5910a929c1109d7/13443421195.pdfIn PDF document text
- http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/83947288191.pdfIn PDF document text
- http://popmetre.com/news/files/90178512616.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/21uvda8eqh65bjm6b17lgg0h9i/femawenig.pdfIn PDF document text
- http://media-production.net/admin/ckfinder/userfiles/files/53776431789.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_off00010074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10074 | 22048 bytes |
SHA-256: 099c2c9753b88cafb77c281e19d22d0c82e62ee57e1a78b61b2eb7ecc9465ac3 |
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font_01_sfnt_off0001399b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1399B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000151b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151B2 | 10796 bytes |
SHA-256: d0842dffcf6663e1c561d3abf171a33e0c04c5a19db259d891685376d6a848e8 |
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