MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external URIs and is flagged as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. Although no scripts were directly extracted, the presence of embedded URLs and the overall structure point towards a social engineering attack designed to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://midufefew.ru/123?utm_term=pirates+of+caribbean+3++filmyzilla PDF link annotation
- https://static.s123-cdn-static.com/uploads/4487663/normal_5fcb523c169eb.pdfIn PDF document text
- http://it50save.info/rejipavesakenieln15.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467032/normal_5fea43ce25182.pdfIn PDF document text
- http://semengergel.ru/ieee_transactions_on_power_electronics_word_templatetcbqa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4527902/normal_60287bd838d16.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407331/normal_604412ad539b9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480403/normal_5fcf45cf6f805.pdfIn PDF document text
- https://cdn.sqhk.co/leporolino/zicWgiL/photomath_para_pc_gratis.pdfIn PDF document text
- http://astropsychology.website/dupopimakemokefiruzuxa5uz3i.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420432/normal_603eddd2a3662.pdfIn PDF document text
- http://draiwenstore.online/japitobivewilibasigobuxuwvxiei.pdfIn PDF document text
- http://ylyn.ru/360_security_antivirus_for_pc_free17gzb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373527/normal_602a808080612.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417990/normal_60343377f07dd.pdfIn PDF document text
- https://cdn.sqhk.co/giwumazusew/hiicHia/8144569633.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451954/normal_6005baab0b04e.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/7a9e98e6-538e-467d-91e9-1aa764b1d1a4/how_much_is_phones_at_walmart.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f9edae2-221a-4985-841b-c67ab2a86dd4/sheet_music_with_guitar_chords_and_lyrics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d79cc75-9e5a-4ef2-90c7-9a9ee264029b/learn_korean_alphabet_pronunciation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/496ce67e-9dc4-478d-beff-38684eaa4756/87246052134.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f61c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF61C | 6744 bytes |
SHA-256: 0eac1552a6a0cc8d6d43e14f5c157d052ff2bf21460314f67a2c213e0a454e63 |
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font_01_sfnt_off00010703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10703 | 5484 bytes |
SHA-256: 548a903c2aed9ddddd3714f5cdc555ecb05181ed4a95412aa1614d6f732fe8e0 |
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font_02_sfnt_off0001199d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1199D | 1704 bytes |
SHA-256: d4ed4897cac276ad8b4432568dbc6a6dc4e77cab6327dc0d74daf3897b35b229 |
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font_03_sfnt_off0001221f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1221F | 12288 bytes |
SHA-256: 655672d49feeb7b0cc8c9badcb563d71237869bfb93dfd421fc1c2e255aae4ab |
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