MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985ceeaf081---88469808412.pdf In PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160998fdf3b6f8---82833350606.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/2p0o2j2igv12kqd1bheuv0fst4/45824384737.pdfIn PDF document text
- http://simonide.org/userfiles/file/zijixujajozilowisipeg.pdfIn PDF document text
- http://ccforum.kr/uploads/file/1622666194.pdfIn PDF document text
- http://africa-emergence2019.com/userfiles/file/9299589469.pdfIn PDF document text
- http://normel.org/files/upload/file/solekorudipop.pdfIn PDF document text
- https://steklo-shik.ru/userfiles/file/zuritexetidanebok.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/zudufovab.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160973a7720003---rotero.pdfIn PDF document text
- http://pillshop.ru/uimg/files/baxesekasavixa.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/3b2udhslo60lu9hpnnqudf8oqq/621606884.pdfIn PDF document text
- http://evergladesharvesting.com/ckfinder/userfiles/files/64331722601.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021062502520573499.pdfIn PDF document text
- https://papersacksfactory.ae/images/bulk_images/files/luxowuvoxanusalu.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/7c28115cb370a221ff366f26109bbf8f/50402679146.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/78419034028.pdfIn PDF document text
- http://aa-nusd.jp/71842955781.pdfIn PDF document text
- http://riggi.ru/userfiles/file/mipigebamodi.pdfIn PDF document text
- https://fotinepmuveszeti.hu/kovagoors/uploads/files/35403427061.pdfIn PDF document text
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/simoselokuvunid.pdfIn PDF document text
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/1e166b6b5b707cdb319c1c5d6b8a82c2/womuliwux.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbc798998d5---vajodo.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612690f09e9b6---81222161859.pdfIn PDF document text
- https://kham.vn/userfiles/file/gujixabexusowusem.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=revolutionary+road+book+pdfPDF 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_off0000eacd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEACD | 18380 bytes |
SHA-256: 23d1c255eee118a20c595b8960be79ca6339b89d1e990daf2c0217d075136bb0 |
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font_01_sfnt_off00011a96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A96 | 10880 bytes |
SHA-256: 36f565ec3ad813935ec1bac403981bfa884be906fe8e56ef51b767e6e13bf8d5 |
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font_02_sfnt_off000133a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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