MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links are likely intended to lure users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://coretry.ru/uplcv?utm_term=5+fuerzas+de+porter+ejemplo+pdf PDF link annotation
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614358b0b5ff8---dazusup.pdfIn PDF document text
- http://jjinline.org/file_upload/file/maxevu.pdfIn PDF document text
- https://alyosserspneed.com/userfiles/files/87896867965.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/didipesizug.pdfIn PDF document text
- https://divetechmarine.com/contents/files/vufenon.pdfIn PDF document text
- http://vistobrasil.net/uploads/file/96995206520.pdfIn PDF document text
- https://myshalewell.com/userfiles/file/81400922379.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613013dd32b8d---xebiwobota.pdfIn PDF document text
- https://yodishit.com/uploads/userfiles/file/55956021722.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161447253e069c---63766220720.pdfIn PDF document text
- http://cathyknightwaite.com/ckfinder/userfiles/files/lizef.pdfIn PDF document text
- https://volgogradexpo.ru/ckfinder/userfiles/files/puten.pdfIn PDF document text
- http://www.chp.pl/ckfinder/userfiles/files/gesenaf.pdfIn PDF document text
- https://anhhuynoithat.com/asset/files/10319663607.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/bfv99tgm12vlngk7gcmk174nnq/60819162351.pdfIn PDF document text
- http://dogomanhnghia.com/uploads/files/dafekapuzoku.pdfIn PDF document text
- https://open-call.fr/uploaded/files/pufilus.pdfIn PDF document text
- http://hnsunnyfood.com/d/files/27800086751.pdfIn PDF document text
- http://ecohort.com/userfiles/files/78690688322.pdfIn PDF document text
- https://accounting789.com/ThImg/file/64380642107.pdfIn PDF document text
- http://nirmalamathachurch.org/cms_uploads/image/file/78203292136.pdfIn PDF document text
- http://umbabox.com/userfiles/file/78191244561.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/kusipepabovirorunovodan.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_off0000d713.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD713 | 10788 bytes |
SHA-256: 8df33d9dacaee55c1f69d853bdfaefc14adf50af65e4f0e4285beab3df57fa9c |
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font_01_sfnt_off0000f00e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF00E | 18276 bytes |
SHA-256: cbe4a9a094f00cd33b3e0d6c4e6583d90a223d274c0dcafaa024ddd3a38432a3 |
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font_02_sfnt_off00011dc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DC2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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