MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics as a link farm and by a machine learning classifier as malicious. It contains numerous external links, with one prominent URL pointing to a suspicious domain. The presence of a link farm suggests an attempt to distribute malicious content or engage in phishing by redirecting users through a series of intermediate sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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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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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://pixomot.ru/pbw?utm_term=california+math+your+common+core+edition+course+2+volume+1 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4425224/normal_60603caa79805.pdfIn PDF document text
- https://susatabunek.weebly.com/uploads/1/3/2/6/132695662/83735295f4.pdfIn PDF document text
- https://vezudoki.weebly.com/uploads/1/3/4/3/134320633/4646654.pdfIn PDF document text
- https://zixozuji.weebly.com/uploads/1/3/1/4/131454221/2910773.pdfIn PDF document text
- https://tapukupe.weebly.com/uploads/1/3/4/7/134717462/jabexewus-venutuluxogide.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446776/normal_60501e8574e24.pdfIn PDF document text
- https://xonidaxu.weebly.com/uploads/1/3/4/3/134319292/3902755.pdfIn PDF document text
- https://vukujaxirebes.weebly.com/uploads/1/3/4/1/134108713/7845120.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421205/normal_5fcf8c3d21cf1.pdfIn PDF document text
- https://lomekizawulom.weebly.com/uploads/1/3/4/7/134704223/xugurod.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/2cf665e5-4e8a-4a1f-97ec-959fb6145168/moxajikez.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/254bf0ea-0167-4296-a8f4-8290be018f09/pasos_para_la_administracion_de_medicamentos_por_via_subcutanea.pdfIn PDF document text
- http://wuxewuda.pbworks.com/w/file/fetch/144781803/keduxogabipurafi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7eebf5e-2fd4-4e9d-9fae-fb57e99ac5fd/lds_nursery_lesson_2.pdfIn PDF document text
- http://tarogifere.pbworks.com/f/82029242227.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df8cbf26-54ac-4d2e-96ea-ef6607a1edef/atlas_copco_compressor_parts_dealers_in_india.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92e893b6-5abd-4a07-bb15-c4910cc95953/what_are_the_causes_of_bilirubin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/07552ccc-e08b-4b2d-bf75-5c8e16378ab3/gmat_quant_preparation_material.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001cb91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CB91 | 5488 bytes |
SHA-256: 21c102de9803f9157773857427523c5c4df8791bd7f163c113a4f5b2db65f091 |
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font_01_sfnt_off0001de74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DE74 | 5512 bytes |
SHA-256: b29ff89acca407ebcb47cf3a4f0b3565e428dc0ea4404278eb77f516526bfe61 |
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font_02_sfnt_off0001f11c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F11C | 13520 bytes |
SHA-256: 97e876a8e7da8061e287d97be60f6b8a30ccfac8fea95ae8dce44fca9fc2739c |
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font_03_sfnt_off00021d85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21D85 | 16132 bytes |
SHA-256: 267fa55b14ef4cf900efb316cf3a679441c5cb47c67db7c400ecf172ea91784f |
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