MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. The embedded URLs point to various PDF documents, likely intended to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://midufefew.ru/wix?keyword=macromolecule+worksheet+%25232+answer+key PDF link annotation
- https://cdn.sqhk.co/fiwujumejuf/KozQjgN/20514090562.pdfIn PDF document text
- https://cdn.sqhk.co/disonixures/PSibuhg/cnc_machinist_salary_mn.pdfIn PDF document text
- https://cdn.sqhk.co/senuziker/jl6x2vJ/93602915679.pdfIn PDF document text
- https://cdn.sqhk.co/kafosine/jiFgh3y/dakodosesaduxixevesa.pdfIn PDF document text
- https://cdn.sqhk.co/fixuzigetir/gkhgcIe/nizoto.pdfIn PDF document text
- https://cdn.sqhk.co/levuzivanu/7Lwgggj/halloween_wallpaper_iphone_hd.pdfIn PDF document text
- https://cdn.sqhk.co/kitujesijak/ghbgiIS/nogigigupesozanire.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4423462/normal_5feb496ca89f7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408720/normal_6033909f033da.pdfIn PDF document text
- https://cdn.sqhk.co/tezakagadol/figuVge/doom_2_classic_switch_review.pdfIn PDF document text
- https://natitapa.weebly.com/uploads/1/3/1/3/131379406/f85d9a5ab5f7.pdfIn PDF document text
- https://rixifumalig.weebly.com/uploads/1/3/1/4/131437092/wasatubopi-loket-geboruwagamimuw-metigosonikun.pdfIn PDF document text
- https://cdn.sqhk.co/mofosalamo/gen54Jr/54905332287.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476595/normal_605f6a8c821e8.pdfIn PDF document text
- https://cdn.sqhk.co/lagolipumepi/if7kFji/island_village_montessori_school_website.pdfIn PDF document text
- https://cdn.sqhk.co/supopareso/hdggbgf/wetenebujuvedanasivod.pdfIn PDF document text
- https://wugowimuvup.weebly.com/uploads/1/3/4/7/134762233/zefuxazunixe-keludivuwile-jatazutad.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6632aaff-1fe9-4f1d-acb3-7d444e457837.filesusr.com/ugd/ce4b7c_55b9d9fd770047be860ad10ed56bd0ad.pdf?index=trueIn PDF document text
- https://0bef8565-087b-457a-960c-b0529baba50c.filesusr.com/ugd/638000_1e184cfbfe8d47ab92e4ea9bf6a38ae7.pdf?index=trueIn PDF document text
- https://411be8f8-4ba1-40b5-9edf-cc4a2c3d5ecc.filesusr.com/ugd/a86d68_de80767f10444f5080eb2661c4269a7a.pdf?index=trueIn PDF document text
- https://3568ea06-17fa-4787-91ae-86b9aa918cbd.filesusr.com/ugd/8ade13_e4d94e9a00274b1999e22ef336b55caa.pdf?index=trueIn PDF document text
- https://00eaa6b3-f026-4720-b00f-fafb40066352.filesusr.com/ugd/d498be_b4c400eaf36f4f309c60662972161d9a.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_off0000fe6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE6C | 5200 bytes |
SHA-256: 25210b4d7eb958d49f481262709f83fbcaa4042f48e2bec8b5981abe04b2dca0 |
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font_01_sfnt_off0001100b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100B | 11812 bytes |
SHA-256: bf5902fc4e5556a4f26a8c2834efb11c09df399f362ac1ff5b4d2a54742f3296 |
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