MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Several heuristics point to the document being a link farm hosted on compromised WordPress sites, with numerous URLs directing to PDF files within form-craft plugin upload directories. The primary attack vector appears to be directing users to these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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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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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://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ee4af2afb---81751475842.pdf In PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbe2e8ee6c---96559722305.pdfIn PDF document text
- http://micronforgacsolo.hu/UserFiles/file/loparifajoramugupegikukig.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16099b847cf383---mudimugedajalewip.pdfIn PDF document text
- http://vamaconsulting.sk/userfiles/file/8664042409.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da2aba8521---difesi.pdfIn PDF document text
- http://sambometal.com/dataroom/file/xofejafisisin.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/7424523322.pdfIn PDF document text
- http://turar-mussin.com/userfiles/File/zumeturisukek.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/2587f9be1c8325abb84155d419fd7bd8/vekelunaravi.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/70196337779.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd35dd06e9---gofojelepepogigej.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/e60c2dd5d33f32bb53c059a2173e6832/15967350518.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/svka0507oqage06opephsgd0m4/73642231275.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/1l7otm7mb36nok85tls06hl67k/2192131122.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/9bd613323678a78d83d5abbd160bafbb/bebabige.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/2bcfcf56f824c88d19a034e231e76326/mazixekuxasewaniz.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/966e700e585accb2e5a3ec98a35a944c/25903887255.pdfIn PDF document text
- http://ekotop.eu/userfiles/file/vipadakejozimadasitikezim.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/68a370ba19772403413143012451f466/12105581047.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/xawurefobobabed.pdfIn PDF document text
- https://elsadaulte.com/ckfinder/userfiles/files/pamapafepilugawukigoxape.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/1833ca7dea08053137b8d54e5c41175e/40039683855.pdfIn PDF document text
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/losepanuxumasopokotesuxam.pdfIn PDF document text
- http://yunnanyingxiang.com/ckfinder/userfiles/files/nelafarojofozutufo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=cuanto+es+5+6+pies+en+centimetrosPDF 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_off0000d018.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD018 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e82f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE82F | 10920 bytes |
SHA-256: 78afbb25325b1add283030bd0192cfbf2bdf626aaf6543f3eba43ee1ca78e3f7 |
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font_02_sfnt_off00010188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10188 | 16296 bytes |
SHA-256: 1e1239469b8ef5eee3eafb43491d4c750d2b25ad96fbe1f2809f3d8f71b493e5 |
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