MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was identified as malicious by multiple heuristics and an ML classifier, with ClamAV detecting it as a phishing trojan. It contains a large number of external links, many of which are on disposable hosting, suggesting a link farm designed to redirect users. The primary URL, 'https://kuzutuzo.ru/strik?utm_term=employee+training+calendar+template+excel', indicates a lure related to employee training calendars, likely to trick users into clicking through to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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=employee+training+calendar+template+excel PDF link annotation
- https://sugelazo.weebly.com/uploads/1/3/4/7/134767002/1175532.pdfIn PDF document text
- https://ladulokepalixu.weebly.com/uploads/1/3/4/8/134878898/2183504.pdfIn PDF document text
- https://kefavemi.weebly.com/uploads/1/3/4/0/134042724/5416650.pdfIn PDF document text
- https://saxijafuduzota.weebly.com/uploads/1/3/4/6/134692269/db6269b26d51b5c.pdfIn PDF document text
- https://jegivobepumo.weebly.com/uploads/1/3/4/4/134444156/xenizanifakaku.pdfIn PDF document text
- https://bidopafogusiw.weebly.com/uploads/1/3/1/0/131070115/xosupibujenulijokel.pdfIn PDF document text
- https://zoxujaratufopa.weebly.com/uploads/1/3/5/3/135399722/jomoz.pdfIn PDF document text
- https://xuxixoxeniti.weebly.com/uploads/1/3/4/5/134585484/00c0b095e97d8.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://uploads.strikinglycdn.com/files/94b24c6d-bca0-4074-ad68-e273507ef85a/16314353238.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b850206-b513-4718-ab70-0a6509edd011/64778656571.pdfIn PDF document text
- https://s3.amazonaws.com/dewutexorob/golf_tournament_fundraiser_flyer_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b9622a1e-a3ee-4445-9bdb-3dc90b3d3e74/how_to_write_a_poetry_analysis_essay_ap_lit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a55695ad-bfc8-426c-b968-752de65b30c7/how_to_tie_off_leather_cord_necklace.pdfIn PDF document text
- https://s3.amazonaws.com/pubopelej/iso_9001_standard_audit_checklist.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/25b141ef-5de1-4df7-8796-d8cf87e2739c/bissell_little_green_clean_machine_operating_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca785194-a2bd-43e9-a513-7acabe847aec/kosasuvekatiwer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a0394c27-3e74-40b2-9646-fd4c08ec2dd2/gijanoxemagaledidekon.pdfIn PDF document text
- https://s3.amazonaws.com/dabatisew/guinevere_ml_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/554f641e-40bd-4dfc-bb0b-3ca547f4a053/librecad_autocad_commands.pdfIn PDF document text
- https://s3.amazonaws.com/tosego/funisin.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_off00010bc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC5 | 5132 bytes |
SHA-256: 2a208055b1677c201ba8946fb5bcdafe34bdc0fb1955c494d1f38585ab056fb8 |
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font_01_sfnt_off00011d27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D27 | 10516 bytes |
SHA-256: 705429af5ffbbeff29e705a0fbc0a6a5a38541406d0e39553f3850abd04aa08b |
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font_02_sfnt_off00014114.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14114 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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