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 0.9993
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=renewable+energy+sources+ppt+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4385850/normal_6048295e40a2f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379719/normal_5ffb9409e6041.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485695/normal_600c1220e7645.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366063/normal_601bb2a77bcfe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416125/normal_602e819d7f6fa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476421/normal_5fdd69e25ff0d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487386/normal_60038b193e01e.pdfIn PDF document text
- http://steelsho3.club/strength_training_program_for_runners3g7n1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419206/normal_602f44860e3ab.pdfIn PDF document text
- http://sale50.pro/18336950100b37qs.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391303/normal_5fd277c5ae470.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412896/normal_601a631447b4d.pdfIn PDF document text
- http://item-mask.top/ethernet_cable_crimping_guide88lpp.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://12c48f50-3553-44c7-a31c-19fc5df83d07.filesusr.com/ugd/7e0eb0_9f346e99442046a785752b3acdf2b988.pdf?index=trueIn PDF document text
- http://salorejim.epizy.com/keverofijopuvidaz.pdfIn PDF document text
- https://46d16763-6c5f-4e19-aa2c-3f4071fcbec2.filesusr.com/ugd/26f730_bf3d91eb8bf2474da3ded78047f9e38a.pdf?index=trueIn PDF document text
- https://769966b8-4adc-437e-bba8-f198cf6e171b.filesusr.com/ugd/41a0b6_f7771dcbbe2e4632adf288092e3e0a44.pdf?index=trueIn PDF document text
- https://d6aab468-caab-4d9e-910f-d3bf64ae4104.filesusr.com/ugd/5438e3_55097c3ab87f414585768c93bf4b66bb.pdf?index=trueIn PDF document text
- http://batefagut.epizy.com/bandhan_movie_video_song_bhojpuri.pdfIn PDF document text
- http://jemowefodidalo.rf.gd/bitbucket_repository_git.pdfIn PDF document text
- http://sabozet.epizy.com/19170623359.pdfIn PDF document text
- http://vazolola.rf.gd/dreams_meaning_book.pdfIn PDF document text
- https://s3.amazonaws.com/zalisujezajaje/what_batteries_does_an_olympus_om10_take.pdfIn PDF document text
- https://s3.amazonaws.com/sifawekujiki/18520192725.pdfIn PDF document text
- https://8a6b9437-e7f2-49d7-8c24-351b272aa67a.filesusr.com/ugd/b18e4d_f5a7440ebd8e4c6895b64010b4956486.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_off0000fc64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC64 | 5664 bytes |
SHA-256: 81b1c13bd48da0637a46bd554b2bc705871a97e1e15c8b6eda08b672570e27bc |
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font_01_sfnt_off00010fcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FCD | 10820 bytes |
SHA-256: 7f18b7b4afbab53a5e8bb3db56d5665fb1d19b62cb50ec417c3251f72cb4152c |
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