MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. The document contains numerous embedded URLs, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute malicious content or phish for credentials. The presence of multiple external URIs and link farm heuristics strongly indicates a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://oniceh.ru/uplcv?utm_term=free+cod+points+call+of+duty+mobile PDF link annotation
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161457c6697b29---nadirimotosimobejabavunat.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f2ee708547---pofepikazijebagimesavaxo.pdfIn PDF document text
- http://haithuanphat.com/uploads/files/ferijapokafewapemuk.pdfIn PDF document text
- https://thegioibaobicarton.com/Images_upload/files/funozujakumu.pdfIn PDF document text
- http://biometria.pl/photos_fck/file/dobelefesum.pdfIn PDF document text
- http://mobilenmr.com/files/files/27698093659.pdfIn PDF document text
- http://ctyrkolky-gamax.cz/data/dokumenty/muzesodu.pdfIn PDF document text
- https://newcar-rental.com/uploads/files/202109240501217714.pdfIn PDF document text
- https://horacebatten.com/ckfinder/userfiles/files/gedoxikenuwudap.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/5pnt8re781c7s0dqqbnma6mfi5/xuvapa.pdfIn PDF document text
- http://elitvorota.ru/f/file/maloje.pdfIn PDF document text
- http://getwealthythisyear.com/ckfinder/userfiles/files/72450804091.pdfIn PDF document text
- https://ctcitsupport.com/media/files/52584807684.pdfIn PDF document text
- http://studiotecnicodama.it/userfiles/files/354940260.pdfIn PDF document text
- http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/9951181902.pdfIn PDF document text
- https://autohausnschmidt.de/userfiles/file/88389852902.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/7639780032.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/42313909397.pdfIn PDF document text
- http://geriatriccarenewjersey.com/userfiles/files/658839634.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/82692468996.pdfIn PDF document text
- http://gemculture.com/userfiles/file/zefafudopukugutidinapode.pdfIn PDF document text
- http://infiniti.e-library.tw/uploads/files/mudurovekerafukenipaxo.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_off0000b1d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1D9 | 16384 bytes |
SHA-256: 44e72348644d64ea1c6dac4bbc7b4ff83d73c6bcd2e8701df2435c8d43c0a163 |
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font_01_sfnt_off0000db19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB19 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f330.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF330 | 11112 bytes |
SHA-256: 34cab1e9f6b2e0dd1d3de74326611f7d45b0cbf0a837a459a1ff5330de708418 |
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