MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for a phishing trojan. It contains a large number of external URLs, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users. The ML classifier also strongly indicated maliciousness. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://medvor.ru/uplcv?utm_term=genymotion+in+android+studio PDF link annotation
- https://watfordfairtrade.org/app/webroot/img/files/liniketajukituzax.pdfIn PDF document text
- http://wxdyzs.com/userfiles/files/nibiboxazalo.pdfIn PDF document text
- https://elminhaj.org/userfiles/file/wemobubitemogup.pdfIn PDF document text
- http://pass38.com/images/contentimages/files/genizitulutorunurogonot.pdfIn PDF document text
- http://nprofit.hk/userfiles/57877261684.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f635d519d---23587284734.pdfIn PDF document text
- http://pzhjintai.com/upload/files/69356123396.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d70193583---pobifewobalilerewivo.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613506a85930a---85365894267.pdfIn PDF document text
- https://cafesca.org/ckfinder/userfiles/files/fegixebimowuda.pdfIn PDF document text
- https://flomogroup.com/upload/files/61153210494.pdfIn PDF document text
- https://rmduncanrealty.com/userfiles/files/fijegamevomireropu.pdfIn PDF document text
- http://kristiankutschera.de/userfiles/file/50359821007.pdfIn PDF document text
- http://cathugo-catamarans.de/res/wysiwyg/file/vudenadelomujupedevoraxix.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/fozusepoloposatap.pdfIn PDF document text
- http://mlead.net/images/e/file/2178370063.pdfIn PDF document text
- https://petribax.com/userfiles/file/bufiwag.pdfIn PDF document text
- https://lufty.cz/UserFiles/files/viminidixutanilololemo.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/1431627342.pdfIn PDF document text
- https://losaltos.com/wysiwygfiles/file/45945930635.pdfIn PDF document text
- http://sm300159.agchost.com/userfiles/files/kirapu.pdfIn PDF document text
- http://buyo-g.net/userfiles/file/ratelesugezelajasaxovi.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_off0000da6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA6B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f282.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF282 | 10616 bytes |
SHA-256: 85cdf7584f3bfdf0a787ca1e11263dbbc1c71fe5a5118e75d0c919860e2fde1a |
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font_02_sfnt_off00010ad2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AD2 | 18964 bytes |
SHA-256: 97250904a3399399e00855d0bd7421e50fd4a7ae8c0e0039d4cd0fd9c27ce1d3 |
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