MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of embedded links, many of which point to disposable hosting and appear to be part of a link farm. One critical heuristic identified a link to known malicious redirector infrastructure, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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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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://crophysi.ru/strik?utm_term=power+cooker+digital+pressure+cooker+instructions In PDF document text
- http://fezibinuzot.iblogger.org/dunanajudixo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471082/normal_5fc8b408bb7b0.pdfIn PDF document text
- https://tovorugezix.weebly.com/uploads/1/3/4/5/134599805/3616178.pdfIn PDF document text
- https://dowusasetitemej.weebly.com/uploads/1/3/4/3/134307927/duwugiwofun.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382423/normal_5fc7b37dc84af.pdfIn PDF document text
- https://rovufeku.weebly.com/uploads/1/3/4/6/134636625/72be583e9f2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403673/normal_60414a394de3f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453551/normal_60243eb237f7d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411270/normal_5fdd3a15d4267.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450864/normal_60313d68dec2a.pdfIn PDF document text
- http://nukowivoxom.iblogger.org/fumelularawanufudewos.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448110/normal_600d24d368249.pdfIn PDF document text
- https://fuxovibafisiboj.weebly.com/uploads/1/3/0/8/130874455/mifudetiv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458616/normal_60142d0779bc5.pdfIn PDF document text
- https://timifuxi.weebly.com/uploads/1/3/4/6/134676324/solore.pdfIn PDF document text
- http://lerawutevokaj.iblogger.org/31594926464.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://vowefaxi.epizy.com/calligraphy_letters_a_z_practice_sheets.pdfIn PDF document text
- https://39c10a3a-92c6-412a-a1bb-b8a1fc48fbc4.filesusr.com/ugd/259099_2f92c08bad1a4c42b7eb4658f32ea8c9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e6fbe022-657b-4ea5-96f6-4e1ca3c8c1ce/arduino_starter_kit_project_10.pdfIn PDF document text
- http://kibiviridox.epizy.com/23600742358.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8867a979-e34d-4985-9865-aa370fdb63e9/97176379564.pdfIn PDF document text
- https://25f35837-e8ad-4357-b490-8f69bec4165a.filesusr.com/ugd/96c61c_cb7235457bb046839614ebb0193527a7.pdf?index=trueIn 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_off0000fa96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA96 | 5280 bytes |
SHA-256: f772468364e4a1d61f6cc2a281fae75d7531977e8c9005ca047cbd65728532f3 |
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font_01_sfnt_off00010ca7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA7 | 11020 bytes |
SHA-256: d622a25b3b80cb0b43a352bd70613af85dd04fc7172081d9791901ce1896a8dc |
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font_02_sfnt_off000131df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131DF | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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