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 0.9998
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/wix?keyword=pedigree+analysis+worksheet+answers+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4490269/normal_5ff0ee3400177.pdfIn PDF document text
- https://cdn.sqhk.co/nawamuzimosu/ibgfJjb/amazing_grace_4_part_harmony_sheet_music.pdfIn PDF document text
- http://fanutoragozogow.sportsontheweb.net/glencoe_algebra_2_textbook.pdfIn PDF document text
- https://cdn.sqhk.co/suvotoruwot/egeycif/44300227372.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403936/normal_6029095cbf6f6.pdfIn PDF document text
- http://zizodoroluxonaf.sportsontheweb.net/jboss_application_server_architecture.pdfIn PDF document text
- https://cdn.sqhk.co/milibotobov/TLsTjbr/used_super_shot_basketball_arcade_game.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6f81cef9-66a2-447d-9e1d-4c0427ef15c5.filesusr.com/ugd/4d935e_272a4402026d490fa7455ae85903e0c8.pdf?index=trueIn PDF document text
- https://9d03b195-5c34-4993-8a23-519dd2bddccd.filesusr.com/ugd/9ac058_11fc70e8912b446da4cdb6618d5c290c.pdf?index=trueIn PDF document text
- https://6c9aa500-f8d9-42a6-b8a4-5b3c562bbfc3.filesusr.com/ugd/543886_7292aa169b7f448abfcd1b9b311d8e09.pdf?index=trueIn PDF document text
- https://b5526579-b22d-45a0-8251-9885a72cf3eb.filesusr.com/ugd/0cd019_b13c45193e1c45ca820e692798a3ebb0.pdf?index=trueIn PDF document text
- http://bodirinukamole.onlinewebshop.net/asa_anesthesia_classification.pdfIn PDF document text
- https://ff102949-4c65-4b7b-925c-ea9a98d885fa.filesusr.com/ugd/7a16bb_514005d72813478f879afd52421909d1.pdf?index=trueIn PDF document text
- https://ca6b24e6-01cd-4368-a310-1df05077a315.filesusr.com/ugd/11b39a_6b98493312ba4dc6b593af84710a6ac8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/77b4dc49-0c8c-4af8-bc86-8dcd73e2326e/95308424299.pdfIn PDF document text
- https://cf336f9a-6a79-4542-9269-5b62d6eb69dd.filesusr.com/ugd/1daf83_835e24f3cc1a46c6b23c98353748db18.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4ec86774-783a-4a6a-a013-5cdee8fb9153/rozogotawuvugibo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3fad621-3ff4-4b89-a5f3-fbc48c21bc49/how_to_recite_istikhara_dua.pdfIn PDF document text
- https://8bd0dbf5-62e0-4684-a95a-1d9666dfa34a.filesusr.com/ugd/e71694_463f93249757481db6ebd5265aedca9d.pdf?index=trueIn PDF document text
- https://dd39d194-9042-494f-90ab-223c96cf8da5.filesusr.com/ugd/5d3909_27eb7bccda9644e89dd0e2cfe4422e49.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f324.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF324 | 5564 bytes |
SHA-256: 04343744fb214d6c15a23fecbfbb27959ae025d74bb9cc3b0764c01073b9c82e |
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font_01_sfnt_off0001062a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1062A | 10764 bytes |
SHA-256: 52eb93969e924123826053b6697a06dacad95dd17ab4c9b87a05a736527026b2 |
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