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. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting. These links likely serve to distribute further malware or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://chcial.ru/uplcv?utm_term=still+in+love+quotes PDF link annotation
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec1f952229---zuzodukekevosidawato.pdfIn PDF document text
- http://chono.mn/uploads/userfiles/files/96112079085.pdfIn PDF document text
- https://hijaustabilo.com/contents/files/vinakezofoxexebixu.pdfIn PDF document text
- https://www.solucionaesp.com/ckfinder/userfiles/files/58649913307.pdfIn PDF document text
- https://dpengineers.info/admin/userfiles/file/xuzasedodulaloxitumek.pdfIn PDF document text
- https://beta.nhatthiengroup.com/files/uploaded/files/lezexetelodivewilifadij.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/jusepifo.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/d28588ce08519632fad90966b171442c/25782792585.pdfIn PDF document text
- https://tranduongauto.com/app/webroot/files/images/pages/files/segogitetefa.pdfIn PDF document text
- http://mexxeopaint.com/upload/files/63714671768.pdfIn PDF document text
- http://hcbarrett.com/user_area/file/43084676820.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614e22030b1ad---46170451278.pdfIn PDF document text
- https://tedesco.pl/userfiles/file/87339068100.pdfIn PDF document text
- https://alstar.uz/images/shared/file/37597235848.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613faa8f964c5---46905012879.pdfIn PDF document text
- http://dietaltop.com/userfiles/files/likosifowebojidijotez.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f47096967---76270916880.pdfIn PDF document text
- http://nattukoottam.com/userfiles/file/28521403809.pdfIn PDF document text
- http://rosabaum.de/web/editor/files/20528080408.pdfIn PDF document text
- http://wksx.top/images/userfiles/file/tesuzapirar.pdfIn PDF document text
- http://rainternacional.com/userfiles/file/wewizulapowivozamuxojewo.pdfIn PDF document text
- http://frutapacargentina.com/ckfinder/userfiles/files/puwafagumebogil.pdfIn PDF document text
- http://okzawidow.pl/img/upload/files/pipopatosewalitodivanekug.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_off0000b2a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2A1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cab8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAB8 | 10224 bytes |
SHA-256: 60e208f2f4908c3a2e6c8ecdd1610a3b594f89af4f1e7e4efed2fab766b10330 |
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font_02_sfnt_off0000e1c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C7 | 14688 bytes |
SHA-256: 932ee5773f06b8f176522a3f138adff8f7d5a74a15ef4b766b034439f0b38ea0 |
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