MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains a link farm pointing to numerous domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution attempt. The embedded URLs are designed to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9926
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://laborke.ru/uplcv?utm_term=sleep+deprivation+meaning+pdf PDF link annotation
- https://ehotelgateway.com/bot/ckfinder/uf/files/19310506984.pdfIn PDF document text
- http://candemdientu.com/Images_upload/files/pakekigugipininugise.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bfccb8b5fa0---95933644277.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca08c27e00---xanizezifosak.pdfIn PDF document text
- https://cakenepal.com/userfiles/file/mobukupodiwagolazage.pdfIn PDF document text
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/70a8fc6f50d00e9a919aec9454c25994/jukuzolojewuvilaluxa.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/3i15nac2flb4kochcsinrm26p9/99003580044.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/80e384b3fee95a925ca4c513a637d3bd/zivinejaxas.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9780bfb55---53442680199.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9bb1bbda66---jiwejafewusazisoxig.pdfIn PDF document text
- https://magnettoptan.com/upload/ckfinder/files/90757039910.pdfIn PDF document text
- https://mayurherbal.com/userfiles/file/jumisipiz.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4944274d19---32711150665.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/23053212423.pdfIn PDF document text
- http://falerisztika.hu/tmp/60390368503.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/6290758974.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c1eac0bd5fa---mafisedisopiwepamez.pdfIn PDF document text
- https://forumhrdbekasi.com/webroot/userfiles/files/fudofe.pdfIn PDF document text
- http://kimyasaldubeller.com/upload/ckfinder/files/22868795674.pdfIn PDF document text
- http://thcsnguyenvanhuyen.hoaiduc.edu.vn/ckfinder/userfiles/files/togufanuxiwivi.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20210628083547_1676874973.pdfIn PDF document text
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/0c5434bcad4bf315f5407e6e912bc077/fapekebonan.pdfIn PDF document text
- http://sunrui-ti.com/d/files/51164513455.pdfIn PDF document text
- http://obchodsezlatem.cz/upload/files/72579261755.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF553 | 16184 bytes |
SHA-256: 252c6c62735cac1312d5cff9624492d21d9f99093cce57c742834cabec47c65b |
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font_01_sfnt_off00010b02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B02 | 20592 bytes |
SHA-256: 0d3a9ee2181355c23e89bff97c5f5e2272c352d8d6b09feed2c533e247d6dba7 |
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font_02_sfnt_off00013f05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off0001571c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1571C | 10812 bytes |
SHA-256: ed1446b54d3b46b2a87469c6212ddc60a175a57d3ad74cae2c1b018c2da662a8 |
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