MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent. The embedded URLs and the heuristic findings point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://pelibifir.ru/strik?utm_term=js+complete+reference+pdf PDF link annotation
- http://xadexawufomovi.sportsontheweb.net/chilling_adventures_of_sabrina_comic_download.pdfIn PDF document text
- http://zabovawupe.mypressonline.com/buparukunoxekabumejel.pdfIn PDF document text
- http://kipegujodup.getenjoyment.net/77621943026.pdfIn PDF document text
- http://fiwamixos.iblogger.org/green_smoothie_diet.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f43304fd-85e4-489a-8612-81977e01be4a.filesusr.com/ugd/b6f504_8bca585e62744458a4d9f59fc5ec0a74.pdf?index=trueIn PDF document text
- http://toxezapa.rf.gd/gowifi.pdfIn PDF document text
- http://solijolubijot.epizy.com/anemia_en_gestantes_en_el_peru_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd9e9d79-86bb-407d-bb91-707ae8dbe0bc/kusojapimurono.pdfIn PDF document text
- https://8dfdba76-182f-4dc4-9dda-37a8c8d09dc9.filesusr.com/ugd/4ae4db_c519d453861948eaa5138e38db3dfeef.pdf?index=trueIn PDF document text
- https://393102e6-89af-4738-8cad-89662dba8dc5.filesusr.com/ugd/33a16d_2fdca1f8747f48fe8cd4c70d65720f20.pdf?index=trueIn PDF document text
- http://zopimubusa.rf.gd/formatkreissge_altendorf_f90_gewicht.pdfIn PDF document text
- http://vanosojude.epizy.com/55559209885.pdfIn PDF document text
- http://jemileti.atwebpages.com/rosemount_3051cd_transmitter.pdfIn PDF document text
- https://bff5fdab-9fd0-4670-908b-a1308bb5a9cb.filesusr.com/ugd/227d0f_d71e36f95db84b5f9dbe65950bcd7ed0.pdf?index=trueIn PDF document text
- https://31e64076-56b3-4e53-9780-179364fbad2f.filesusr.com/ugd/d8d3cb_406b25c7343e4083812fdc95eaf050c9.pdf?index=trueIn PDF document text
- http://vukapolil.rf.gd/gidananibi.pdfIn PDF document text
- https://c207dc97-0cc9-441e-8caf-a702c1639d46.filesusr.com/ugd/36abe8_3979b9c8af584ee5aa9162e01b707b7b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4c853da7-b8be-4e95-8a1f-d9f59d9b4397/kivofivibez.pdfIn PDF document text
- https://0306adf0-382e-42f1-903d-71c3961c97f1.filesusr.com/ugd/7ff653_f5711d9c1ba848c0b4195363f8037b5e.pdf?index=trueIn PDF document text
- http://vafitinupisojud.onlinewebshop.net/22877564037.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95603fd7-6e64-42a5-ac57-ee36135c1a03/99249756945.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cda7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA7 | 5080 bytes |
SHA-256: 9503350afaea35a7c5c6f83f1776d7c6e42a0dadcb86356f51405e4b7a6115d4 |
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font_01_sfnt_off0000deda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEDA | 10744 bytes |
SHA-256: a96207989a738fdecfe2b9b70261bbb96a1ecd84d524a9f5a1e4ca48da7ff72e |
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font_02_sfnt_off0001030a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030A | 16088 bytes |
SHA-256: 55ee31f2b9c575572aca401957c5cf2f3b57b55b1dd57d1bb6d1e144d3512b41 |
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