MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to numerous PDF files hosted on various domains, some of which appear to be compromised CMS uploads. The embedded URLs suggest a phishing or SEO manipulation tactic, aiming to lure users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://hainutedecopii.eu/ckfinder/userfiles/files/meroduzikeligajizimuvabad.pdf In PDF document text
- http://galettedesrois.eu/userfiles/file/49730026177.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/7674855100.pdfIn PDF document text
- http://suachuaspa.com/upload/images-content/files/90178768040.pdfIn PDF document text
- https://mgs-on-track.com/uploads/misc/files/sodulisovexaxumobuvozugag.pdfIn PDF document text
- http://qdjshg.com/files/file/godewisoberu.pdfIn PDF document text
- http://exclusivelimoservice.com/ckfinder/userfiles/files/bajegafarodali.pdfIn PDF document text
- http://www.parkwaytransplant.com/media_upload/upload/files/93069226286.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/tag4f4rki5nu7is23nknh3c04f/nivopiniluzekuzinafuren.pdfIn PDF document text
- http://www.kotolantopeni.cz/files/73219248358.pdfIn PDF document text
- http://telegid.tv/userfiles/files/41066379667.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16140bbe16f7c6---voropudi.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/43a01c6d35c74a53f289ea6fd6fca28c/sijiwaxolomade.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161395c5ac3fc8---bisarew.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614280f5276b4---14480579898.pdfIn PDF document text
- http://biancoacolori.it/userfiles/files/bezusoxefo.pdfIn PDF document text
- https://pagodatalk.com/_UploadFile/Images/file/47980027296.pdfIn PDF document text
- https://www.leasing.net.in/ckfinder/userfiles/files/gudupi.pdfIn PDF document text
- http://ayurveda-shiatsu-nice.com/upload/files/sozobokuleluzoni.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7ae3c6025---mekuxopujogutavivaf.pdfIn PDF document text
- http://honeystraw.com/uploadfiles/file/tamevebog.pdfIn PDF document text
- https://www.gico.ge/ckfinder/userfiles/files/reneniz.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/711d52c0aa07a0fff8b75e4dc689d98f/85605982405.pdfIn PDF document text
- https://equipelec.fr/ckfinder/userfiles/files/18938779812.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+open+app+hider+without+passwordPDF 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_off0000b4a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4A3 | 10620 bytes |
SHA-256: a77045b363e6263aa34149b57d5ee1aa4ffb497cffe4c0b8113783b289344c39 |
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font_01_sfnt_off0000cce3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e4f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F5 | 17264 bytes |
SHA-256: a4c777c869168e2001a4c688c795e4af358e9c4d71aeba7dfd2cde32b4823ea9 |
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