MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a link farm and an SEO redirector, indicating a phishing or malware distribution attempt. The primary malicious URL identified is https://kuzutuzo.ru/strik?utm_term=make+money+online+apps+download, which is likely used to deliver a second-stage payload or redirect to a phishing page. The presence of multiple external links and the ML classifier's high confidence score support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://kuzutuzo.ru/strik?utm_term=make+money+online+apps+download PDF link annotation
- http://blankid.ru/degamidufugafitatigetirazcncz6.pdfIn PDF document text
- http://proita.fun/979138058563ro1.pdfIn PDF document text
- http://betmoy56.com/the_prayer_of_jabez_king_james_versionxlz5t.pdfIn PDF document text
- http://ehaberdevlet.com/the_queen_of_attolia_read_online_freevnimq.pdfIn PDF document text
- http://autoport76.online/matura_podstawowa_angielski_wiczenia_leksykalno_gramatyczne2px07.pdfIn PDF document text
- http://italiahot.fun/49787693451d7w86.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/866bb319-a32f-4d14-ba8d-68505a858179/59848610808.pdfIn PDF document text
- https://s3.amazonaws.com/vaxebisapesi/how_to_start_a_legal_memo.pdfIn PDF document text
- https://16fd3b15-5541-4454-9538-28daacbf497e.filesusr.com/ugd/e32576_454d498a6ffd4f1482ca5ddade88dcf2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vekodupiwarobi/bhoy_dekhas_na_please_song.pdfIn PDF document text
- https://s3.amazonaws.com/latufenaw/16394069695.pdfIn PDF document text
- https://7f993087-45f6-41f4-96e5-9dcaca18fb91.filesusr.com/ugd/9a92dd_944943a3db974906aded46deb1977fa8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vofadoloves/sekeletegirobovojupebo.pdfIn PDF document text
- https://s3.amazonaws.com/gofiguj/11963564757.pdfIn PDF document text
- https://2ed821ec-8078-4e74-b11b-c5cec6a88262.filesusr.com/ugd/65e777_75b2992e8a4c458596bc1947c11fa11c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/baxekojojexusol/baixar_livro_temperamentos_transformados_em.pdfIn PDF document text
- https://s3.amazonaws.com/sizabo/tipos_de_grupos_sociales_para_nios.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7b8bf56f-8097-401f-b1af-138ecb94b6e4/83167151773.pdfIn PDF document text
- https://s3.amazonaws.com/desenaz/2014_gmc_sierra_build_sheet.pdfIn PDF document text
- https://s3.amazonaws.com/bidurudilidujug/moripuralofe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13e2d029-a008-49f5-9c04-1da4890822f8/jujaturaruxa.pdfIn PDF document text
- https://737c154f-ca75-4484-807d-9d5c19d76377.filesusr.com/ugd/7e84b7_de501d0014934f30b438fef4c988a3b3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xakajoziwibi/pasavovadumixaroropodituk.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f54e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54E | 5272 bytes |
SHA-256: c8365e86ec044332c6523ae4610df3a50ef7e91ac4eb4032038d35be166ab949 |
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font_01_sfnt_off00010756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10756 | 11756 bytes |
SHA-256: c1d0bb0680aa3cc8fd7bc519b1c67a3506bb69eeed745b4950a55ddb8833c5dc |
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