MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, with several heuristics flagging it as a link farm on disposable hosting and pointing to algorithmically-generated URLs. ClamAV and ML classifiers also identified it as malicious, specifically a phishing trojan. While no scripts were explicitly extracted, the PDF structure and link patterns suggest it's designed to redirect users to malicious sites, likely as part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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 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 http://stensoproject.com/userfiles/files/ririrawalu.pdf In PDF document text
- http://officinedesign.it/userfiles/files/43720288956.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/wezijugo.pdfIn PDF document text
- http://chukysovin.com/img-svc/files/42239892129.pdfIn PDF document text
- https://netiko.fr/img/Data/file/408814950.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16137fbc9a1b23---90443555570.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/fatagudilut.pdfIn PDF document text
- http://bagliodeimille.it/userfiles/files/6106903745.pdfIn PDF document text
- http://asu78.ru/userfiles/file/nekemivekowazodatarul.pdfIn PDF document text
- http://bratislava.topenglish.sk/app/webroot/gallery/files/sogusi.pdfIn PDF document text
- http://www.giuseppe.ru/ckfinder/userfiles/files/81552228883.pdfIn PDF document text
- http://varadimasszazs.hu/uploads/files/11260271731.pdfIn PDF document text
- https://valenciamaids.com/userfiles/files/sujin.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/c1e63dfd14a13f953e9d24e5f2d1477b/ripodigagesuzozujimeker.pdfIn PDF document text
- https://pratham.one/file/88037805426.pdfIn PDF document text
- https://terrebleue.org/userfiles/file/80402165353.pdfIn PDF document text
- https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/67853005885.pdfIn PDF document text
- https://apoiotelecom.com/imagens/img_fckeditor/file/wedojixariloridemopimir.pdfIn PDF document text
- http://carraracucinecomponibilitrapani.it/userfiles/files/55942980048.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/88947174155.pdfIn PDF document text
- http://balbu.hu/uploads/news/file/84429856066.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=outreach+365+loginPDF link annotation
- 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_off0000ae68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE68 | 10940 bytes |
SHA-256: 74aaaf169034672e0d78a409e2a283eadd8b3666fbdaf2b750ab828a7efbd459 |
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font_01_sfnt_off0000c7cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dfdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFDD | 14968 bytes |
SHA-256: c985409bf77eda24d072a501bbd24d708dbeb94d0dbd38015e333780532c5fc1 |
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