MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://tubemakingmachine.com/uploadfile/files/86845015986.pdf In PDF document text
- https://medpressa.ru/files/file/71891932741.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/kewafudanudofumejikamuk.pdfIn PDF document text
- http://mousike.it/img_ins/files/gujopelelojo.pdfIn PDF document text
- http://szyuangang.com/UserFiles/file///62677737651.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16131a4be165d9---29982255416.pdfIn PDF document text
- https://codecs.ro/images/file/xuxijoduxemetejogujamow.pdfIn PDF document text
- http://ghettaetamionarchitetti.it/userfiles/files/57287826740.pdfIn PDF document text
- http://3wsystems.com/shipinc/userfiles/files/85910853841.pdfIn PDF document text
- http://sbkf.org/files/files/rilalikoka.pdfIn PDF document text
- http://instalace-charvat.cz/userfiles/file/jikisumiko.pdfIn PDF document text
- https://minhvuongthuphap.com/upload/ck/files/6174390084.pdfIn PDF document text
- https://playerpress.com/ckfinder/userfiles/files/29899462075.pdfIn PDF document text
- http://hantechwelding.com/userfiles/file/2021090821252273499.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/73989736356.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/16938337511.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3eb9b2de2---11498018581.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/161339b3535994---dorevavuzoku.pdfIn PDF document text
- https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/wozabokilisitededabuzaki.pdfIn PDF document text
- https://abriganature.centralcms.cloud/galeria/files/natejezidironarovoduze.pdfIn PDF document text
- https://dcoderesearch.com/uploads/zokitigejutanod.pdfIn PDF document text
- https://rcvizovice.cz/ckfinder/userfiles/files/safokogugisajavufibezan.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=tides+of+war+apkPDF 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_off00011b8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B8D | 19832 bytes |
SHA-256: 80faa37f100134e25d987bb7c1c99426e59c9b350408060bb886b5fcf6680329 |
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font_01_sfnt_off00014ef1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016708.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16708 | 10384 bytes |
SHA-256: 7023870e75931ca1de713577629b13725ed81d2eee86b37847e7e59ebc7d9933 |
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