MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded links, with a high-confidence heuristic identifying a link to a potentially malicious URL. The file is also flagged by ClamAV as a phishing trojan. The presence of multiple external URIs suggests an attempt to redirect the user to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://ketchas.ru/uplcv?utm_term=matrix+screensaver+android PDF link annotation
- http://flashdisplay.net/UploadFiles/FCKeditor/20210904042219.pdfIn PDF document text
- http://rabotatver.ru/userfiles/admin/66231154917.pdfIn PDF document text
- http://opt-russtd.ru/data_center/upload_pictures/file/47913889222.pdfIn PDF document text
- http://talk200.com/admin/admin/uploadfiles/file/xanubelukazidivenideke.pdfIn PDF document text
- http://ck-buhgalter.ru/userfiles/file/88317552995.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/m85klo0sdgslcou7udfv3slll6/zeviwomivoposozoguruwujo.pdfIn PDF document text
- https://soechi.net/userfiles/file/39121988213.pdfIn PDF document text
- https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/32904889365.pdfIn PDF document text
- http://zechnerbau.at/images/content/files/xewejajaxajugerabu.pdfIn PDF document text
- https://retake.dk/ckfinder/userfiles/files/vowisudotegababobojef.pdfIn PDF document text
- http://spartapr.com/images/upload/file/nirilarujabudevogonedupuj.pdfIn PDF document text
- https://neksav.com/upload/ckfinder/files/fenizidaderuvojofilazon.pdfIn PDF document text
- http://fullerton.kopanramen.com/uploads/files/7830869654.pdfIn PDF document text
- https://sanghvicranes.com/staging/media/vixutorebur.pdfIn PDF document text
- http://alfonsoguiggiarchitetto.it/userfiles/files/xobedasimunimena.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/081816425102.pdfIn PDF document text
- http://kool-house.com/upload/editor/file/51118121688.pdfIn PDF document text
- http://romangruszecki.com/uploaded/file/xikerejed.pdfIn PDF document text
- https://interativacorretora.com/fotosempresa/files/pugevorolitajajanovubum.pdfIn PDF document text
- https://globalcircle.club/userfiles/file/25132498205.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f332d13a3a---xerifevafisimijiwefu.pdfIn PDF document text
- http://eternalcycle.com/FCKFiles/file/zujomazeledelefulaji.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_off0000e6aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fec1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC1 | 10476 bytes |
SHA-256: 4ab2d067544d56aeb46b65da57e87080e77c1cae3082ba727839791be6f1498b |
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font_02_sfnt_off000116c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116C1 | 17864 bytes |
SHA-256: 8218aafcdef8077548edb3040fa8900288575ca872af7d28996b1b01c2e2549d |
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