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 0.9997
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/award?keyword=valores+de+antigeno+prostatico+especifico+pdf PDF link annotation
- https://zotorakiv.weebly.com/uploads/1/3/0/7/130739478/2843821.pdfIn PDF document text
- https://wutusexiradolo.weebly.com/uploads/1/3/0/9/130969471/bogor.pdfIn PDF document text
- https://cdn.sqhk.co/ruxodinumoro/gjIjj82/easy_diy_halloween_costumes_couples.pdfIn PDF document text
- https://cdn.sqhk.co/mewixamok/0gcjcgi/merge_brawl_for_brawl_stars_hile.pdfIn PDF document text
- https://wujabadatudipox.weebly.com/uploads/1/3/5/4/135400083/nixutut.pdfIn PDF document text
- https://cdn.sqhk.co/raxipopu/cjgS6qr/pdf_annotation_free_android.pdfIn PDF document text
- https://cdn.sqhk.co/tivuzofep/bjfgdFc/carmageddon_2_soundtrack.pdfIn PDF document text
- https://nofuxufemi.weebly.com/uploads/1/3/2/6/132681390/lebip-waridarafep-netasaribi.pdfIn PDF document text
- https://cdn.sqhk.co/dowusutitozi/3if8jhl/pizurimurubozaxufokup.pdfIn PDF document text
- https://cdn.sqhk.co/kajemuwasutu/hckjeS6/zombie_zombie_come_alive_game.pdfIn PDF document text
- https://cdn.sqhk.co/vizoxaxijojo/cbgjhhn/woodwork_tools_for_sale_gauteng.pdfIn PDF document text
- https://cdn.sqhk.co/wakewafo/6OifhgR/faberizojiperexake.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/a7a9242b-e725-4ec6-b41e-2e0f658e6acf/pezatoxepuforera.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5914c141-57d7-4a94-8fa8-fe24ed6a0b42/what_happened_to_american_gods_season_2.pdfIn PDF document text
- https://s3.amazonaws.com/bipepezuwed/death_of_the_author_barthes.pdfIn PDF document text
- https://s3.amazonaws.com/tofizo/tidela.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/093ee28b-8708-4f2f-9a73-1e005e8030c8/tissot_watch_pr_100_powermatic_80_ladies.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df9cb899-09c7-4858-b312-ed10735804d7/4602431658.pdfIn PDF document text
- https://84d51d8d-5932-465a-b044-5d36dace581c.filesusr.com/ugd/98e2de_e00682ad7d7d46e292b590a44e94d0c9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/05521f7d-f200-4da5-bdc2-c7872e6e05fe/15702237537.pdfIn PDF document text
- https://s3.amazonaws.com/vukujidor/sodidubedabegejopumube.pdfIn PDF document text
- https://d52aed46-be45-4f9b-8106-cf6fc7ee66c0.filesusr.com/ugd/b148e5_b3397b862cdb411b92de7a12a287b94f.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_off0000f8f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F0 | 5288 bytes |
SHA-256: 9c9288e96dcc67552c646f3fc0a53960727329f13e06a62da398a5cc31a4b9e0 |
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font_01_sfnt_off00010b05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B05 | 11436 bytes |
SHA-256: eb877a93b4e664009ac37bfdf910822f41f693797de0187376b8f04439459e79 |
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