MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous external URIs and is structured as a link farm on disposable hosting, suggesting it's designed to redirect users to malicious sites. The document body, though heavily obfuscated, contains references to 'checkbook register spreadsheet', likely a lure to entice users to click on the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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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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://nipisod.ru/123?utm_term=checkbook+register+spreadsheet+123 PDF link annotation
- http://domsale.xyz/what_were_the_consequences_of_the_iron_curtain_speechfoiyj.pdfIn PDF document text
- http://evakuator-uga.ru/what_is_the_best_strength_training_equipmentxol5b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473926/normal_5fe2e9ac773b4.pdfIn PDF document text
- http://rankingcoach-apps.com/liwegalopigieo8i8.pdfIn PDF document text
- http://topcreditcheck.info/38491376247odw1n.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373261/normal_5fef6334a6bfd.pdfIn PDF document text
- http://hookup154.space/8615102360hglx0.pdfIn PDF document text
- http://trokot-shopnew.online/rheem_electric_hot_water_heater_reset_buttonqy7m0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470526/normal_601ee825679bc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485587/normal_605149248ed8f.pdfIn PDF document text
- http://outputqwvk.space/wajudogifuwowinoloxejev98in.pdfIn PDF document text
- http://letnesil.xyz/fuberubh58l0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420018/normal_600dae4175a75.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wojibikifi.myartsonline.com/holding_up_the_universe_quotes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/166ba343-4b3a-41ff-8df7-e985f6b7780b/viwanusi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0807110f-1526-41b8-967f-a29956595424/how_do_you_reset_a_hardwired_smoke_detector.pdfIn PDF document text
- http://kofepiropi.onlinewebshop.net/geometric_sequence_activity.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9aa0216b-2381-4329-9079-65542f03b09d/kasula.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3986b8b5-d6f9-433f-ac75-e62cc26e9dc1/39188153276.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f982de0c-5b8c-48df-86c2-8e9f464c5dfc/vafonijeraduniw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1602f079-fa4e-408a-980c-12a6e68e0b34/tamil_magazine_subscription.pdfIn PDF document text
- http://lufevexos.atwebpages.com/pabobitog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/979f21b8-1885-4dc8-8934-8ed06611b019/65250321465.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4EB | 2868 bytes |
SHA-256: ef0ff104ea44b4f76f2e317c05d944ff73adab4e11d451763276b796cfc564ed |
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font_01_sfnt_off0000ff1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF1D | 5760 bytes |
SHA-256: 4204cf4d8cf0a501a8f6a514599f7d77e5490d18113270b5802e6e97712f8faf |
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font_02_sfnt_off000112ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112AB | 12240 bytes |
SHA-256: 0a1768ac25878220b8b51a163fdbd4cf8391e142c3001d906c8f5686bd32552f |
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