MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous external URLs embedded within the document, many pointing to compromised WordPress upload directories or disposable hosting, suggest a phishing or malware distribution scheme. The document body appears to be malformed or encrypted, preventing a deeper analysis of its specific content, but the overall structure and URL patterns strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://crewmak.ru/uplcv?utm_term=why+does+my+play+store+not+download PDF link annotation
- https://kit-veron.my/ckfinder/userfiles/files/77951841011.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161350cb396253---62073382887.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135093820bfc---17884719542.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/c4c9c24f7ed387f7682dfb1055baa40a/mexoja.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/96803508319.pdfIn PDF document text
- http://gyogytornasziget.hu/uploads/files/faxobibutajozufagowuxusi.pdfIn PDF document text
- https://jpjplumbingandheating.com/FCKeditor/file/tolukamekomenadibefolu.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/94645244271.pdfIn PDF document text
- http://patanamachine.com/imgUpload/files/81144260163.pdfIn PDF document text
- https://mediaget.ru/userfiles/files/zameb.pdfIn PDF document text
- https://greenways.at/userfiles/file/rajolufobofase.pdfIn PDF document text
- https://lose-weight.tw/upload/files/4459113722.pdfIn PDF document text
- https://arabadvertise.com/userfiles/files/dizizewer.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/jeger.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392a86bec61---87660872633.pdfIn PDF document text
- http://e-district.org/userfiles/file/lutabe.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/bodal.pdfIn PDF document text
- http://ndt-tl.ru/upload/file/bipefuseli.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395a661939a---ziwupazejiralil.pdfIn PDF document text
- http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/lakorikegijesutegoje.pdfIn PDF document text
- http://parkergeneralcontractors.net/userfiles/file/52435503688.pdfIn PDF document text
- https://daquin-ferriere.fr/userfiles/file/tigirabojuvu.pdfIn PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/geratutetifigakasowem.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_off0000cd3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE550 | 16412 bytes |
SHA-256: 033dcc02cd46726d4a567f4c3f68aeab1508e9c267f12dbc0b14437144bed6af |
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font_02_sfnt_off00010f64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F64 | 10756 bytes |
SHA-256: 5756dacd9d7c4877b7ebd54221125eff565cd21cb23bc6dee4f8531f065eb5be |
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