MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to a variety of domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this PDF is a link farm, with a high ML score and ClamAV detection confirming malicious intent. The primary function appears to be directing users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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=pulang+lupa+uno+postal+code PDF link annotation
- https://playindiano1.in/ckfinder/userfiles/files/kitududopegalutadidi.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/76061201578.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/5ba4531542ed22d13acc74ede883f26d/9339894671.pdfIn PDF document text
- https://bruceleevideos.org/images/file/97861850404.pdfIn PDF document text
- http://tw-sincere.com/upfiles/editor/files/3660928391.pdfIn PDF document text
- http://optykglowacki.pl/obrazki/files/91910985972.pdfIn PDF document text
- https://www.southdownscellars.co.uk/ckfinder/userfiles/files/wevadepoweri.pdfIn PDF document text
- http://ckud.handysociality.com/upload/files/vupakalowupezelutawe.pdfIn PDF document text
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/xumefodatijuzex.pdfIn PDF document text
- http://giovanniseneca.eu/userfiles/files/56403139624.pdfIn PDF document text
- http://stroi-sistema.ru/img/sotife.pdfIn PDF document text
- https://jills.reviewz.eu/app/webroot/files/userfiles/files/56969995048.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161396e29a1373---84027394423.pdfIn PDF document text
- http://sushistoryus.com/uploads/files/dometerebos.pdfIn PDF document text
- https://faktxeber.ru/resimler/files/jadigatufar.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/vomubopobevog.pdfIn PDF document text
- https://petek.biz/resimler/files/96952275219.pdfIn PDF document text
- http://cisseo.net/userfiles/files/kinif.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614203612718c---metusevewukijesuwez.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/c349aef9c0e20277523e88d9dcde8208/12419258904.pdfIn PDF document text
- http://szolnokepul.hu/userfiles/file/1328181836.pdfIn PDF document text
- http://asqcert.net/files/files/27436646256.pdfIn PDF document text
- http://sevvalturizm.com/rsm/files/refaxazuminuduboke.pdfIn PDF document text
- https://its-bulgaria.bg/files/file/68571462885.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_off0001351f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1351F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00014d31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D31 | 21788 bytes |
SHA-256: 39a112c39e330aaebbad3c9d81b3f4c688ad5f8b679a2db45d0011851b9c0279 |
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font_02_sfnt_off0001861c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1861C | 10596 bytes |
SHA-256: 37b996f965103ac69382f1ca7926700fa0991fb14c32908cb7bf880e8e052709 |
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