MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm designed to redirect users to potentially harmful content. The presence of compromised CMS upload links further indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://queure.ru/uplcv?utm_term=straight+crimping+colour+code PDF link annotation
- http://zs-oilfieldequip.ru/d/files/32533670886.pdfIn PDF document text
- https://www.alliance-educationsexuelle.ch/ck/ckfinder/userfiles/files/31119486114.pdfIn PDF document text
- https://www.baust.edu.bd/app/webroot/ckfinder/userfiles/files/82320207744.pdfIn PDF document text
- https://2ruoteexpo.it/ckfinder/userfiles/files/dibugefudukatim.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/jezok.pdfIn PDF document text
- http://35ju.21tg.cn/uploadfile/ckeditor/files/febavedivafu.pdfIn PDF document text
- http://easyhypermarket.com/userfiles/file/gamirowimiko.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/8c0ab2cd09a335309e3b377035c1abd5/gadilalixedufu.pdfIn PDF document text
- http://bingsu.ir/cache/fck_files/file/97551640596.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/52482746910.pdfIn PDF document text
- https://hopclickhospitality.com/scgtest/team-explore/uploads/files/46576327358.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1614255926ac3c---53148072844.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16158b3c927179---59636916907.pdfIn PDF document text
- http://exhibitionchannel.com/upload/fewukopeboz.pdfIn PDF document text
- https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/jopatoleminuxatoli.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/lipojiwupu.pdfIn PDF document text
- http://npas.ru/pic/file/ludozajaj.pdfIn PDF document text
- https://bilalyapidekorasyon.com/userfiles/file/78751535832.pdfIn PDF document text
- https://acavacecio.it/userfiles/files/79663766270.pdfIn PDF document text
- https://www.adom.biz.pl/ckfinder/userfiles/files/kalitakijubarova.pdfIn PDF document text
- http://microcement.ua/userfiles/file/numowalubug.pdfIn PDF document text
- https://nghiepvu.udicmanpower.vn/uploads/news_file/23621802566.pdfIn PDF document text
- https://malinaionescu.ro/userfiles/file/96835983496.pdfIn PDF document text
- https://jungleflightchiangmai.com/Uploads/files/51315673879.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_off0000b26c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB26C | 17352 bytes |
SHA-256: 38f7b9f022cd468157b8efad6e7cd231cb32f567daa33b36576dc2449cef9439 |
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font_01_sfnt_off0000dfaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFAA | 10968 bytes |
SHA-256: 55b2a64611d1afcaa0083ee02e616bd45981f7c5847188a37e375c2ec0e9794e |
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font_02_sfnt_off0000f8b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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