MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://kuzutuzo.ru/strik?utm_term=brother+mfc+8480dn+toner+reset PDF link annotation
- https://cdn.sqhk.co/gimexigerub/POjnsgh/halloween_costumes_ideas_2020_men.pdfIn PDF document text
- http://jovefupe.mywebcommunity.org/91124533463.pdfIn PDF document text
- http://rujitexoxobag.mypressonline.com/free_c_programming_software_for_windows_10.pdfIn PDF document text
- https://dolufinome.weebly.com/uploads/1/3/5/3/135330980/ad94aa3f609da73.pdfIn PDF document text
- https://maverutorolo.weebly.com/uploads/1/3/5/3/135393183/guvapubige.pdfIn PDF document text
- https://cdn.sqhk.co/kixikeli/ZjechdN/86667152546.pdfIn PDF document text
- https://cdn.sqhk.co/raserijene/lgdiigd/toolbox_for_minecraft_pocket_edition_ios.pdfIn PDF document text
- https://lufegema.weebly.com/uploads/1/3/4/1/134132410/lemijavazalum_sifivulogek_lovisuno_botudazepu.pdfIn PDF document text
- http://sopesukenapad.scienceontheweb.net/auto_indexing_gear_cutting_attachment_for_pneumatic_shaping_machine.pdfIn PDF document text
- http://sizinepizot.scienceontheweb.net/business_continuity_plan_procedure.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
- https://0633afab-057d-4448-85e1-ac1a97571725.filesusr.com/ugd/66920c_5086785a6c4148c8ad4854fc60378b07.pdf?index=trueIn PDF document text
- http://pitaken.onlinewebshop.net/fabiniraz.pdfIn PDF document text
- https://4e33067b-0f13-4bed-bb9c-ea95f768fd7c.filesusr.com/ugd/23924c_d63897e2e7a548118744108d0338b9cd.pdf?index=trueIn PDF document text
- https://5c126656-fc4f-473b-8c99-11744d2e1b96.filesusr.com/ugd/abd8ec_c93fde260b244800aa4d1de937f11b92.pdf?index=trueIn PDF document text
- https://13a2bf7a-7930-4518-a7e6-737bf3c0aa4f.filesusr.com/ugd/f5c1a0_d478ea499563465fa0382f9b1659f947.pdf?index=trueIn PDF document text
- https://a40b6db0-1679-4e03-879f-ac5827b9aa7d.filesusr.com/ugd/dba42a_880e25c7bc914145af01f235cbc2a693.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/labitajaxatufib/bengali_movie_i_love_you_song.pdfIn PDF document text
- https://ff19a39e-637c-4fc6-80cc-750024e8dd37.filesusr.com/ugd/d217e2_ea94e72d4a4045379197bca5e1658ffc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/numegubowalonan/vavudorufejezolexe.pdfIn PDF document text
- https://s3.amazonaws.com/fexuror/simile.pdfIn PDF document text
- https://1416a32c-f91c-4ec3-9c10-bfdf610c7df7.filesusr.com/ugd/76de1a_1043afba0779464297ce366476a9ae71.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_off0000e3f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F6 | 5232 bytes |
SHA-256: b5981bdd8709876388cc91626613ce67d186330059a42499d0cb2cb271ffc94c |
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font_01_sfnt_off0000f59c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF59C | 12036 bytes |
SHA-256: 8a20605044644722c4b36dca9cdd8eb6be110bada3be07abe698b034316c2542 |
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font_02_sfnt_off00011b74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B74 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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