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 0.9996
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://nipisod.ru/award?keyword=alcohol+abuse+effects+pdf PDF link annotation
- http://lufexaxoxak.mygamesonline.org/telecharger_livre_pour_apprendre_francais.pdfIn PDF document text
- http://kavelizopepi.mywebcommunity.org/how_to_convert_m_to_cm2.pdfIn PDF document text
- http://wozupabalaviv.medianewsonline.com/fosivaraw.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476952/normal_5fe5a1e348bbd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495065/normal_60286726f3404.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380379/normal_602fbdf92eac9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417656/normal_5ffa08e8bf71e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401732/normal_6041903f6f46c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://magegefopo.atwebpages.com/how_to_put_in_britax_car_seat_base.pdfIn PDF document text
- https://a68e2ff5-bf17-48e3-82d4-ceb975b85758.filesusr.com/ugd/760101_9d91b01a19ca4b0593f3da8316d9aedf.pdf?index=trueIn PDF document text
- https://64e18f06-8a0e-4dc1-8427-9dd81b4bff36.filesusr.com/ugd/baa514_54f34fe073b0439588a4bd9b2d571cb9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fexuror/yangzijiang_shipbuilding_holdings_ltd_annual_report_2017.pdfIn PDF document text
- https://f87ce62f-3d5d-4c42-bff3-2e7d00444551.filesusr.com/ugd/72ed28_f210a05a9d47427a948fd79084beedd1.pdf?index=trueIn PDF document text
- https://6f8cb219-4830-455d-9ced-b55e65700e85.filesusr.com/ugd/fd30ac_6a9f155d83b54284a528aaa65ee0c9dd.pdf?index=trueIn PDF document text
- https://7f58a6d3-5723-489e-a2bd-17fd91e1ddd5.filesusr.com/ugd/655495_3b2d876fc15644bda3d1ca4f2043f77c.pdf?index=trueIn PDF document text
- https://7fad2989-91b8-457c-89bc-9a0e7aeef19f.filesusr.com/ugd/b03ff3_c7a0d78fa12f4bf29beef75f82709215.pdf?index=trueIn PDF document text
- https://ed36ca5d-e6e9-4caf-8bbb-3a8af5cfee16.filesusr.com/ugd/971556_da9cd570ea244f2b97e2e04efcd373f6.pdf?index=trueIn PDF document text
- http://jitawidavez.atwebpages.com/stargirl_book_summary.pdfIn PDF document text
- http://rizivubonulej.atwebpages.com/zodesavidijudenoweza.pdfIn PDF document text
- https://1058d175-53f8-4d86-9201-ae9c1fc74009.filesusr.com/ugd/62a633_bf5992632455476db2e1fa48f7af101e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vabedafozo/pukum.pdfIn PDF document text
- https://s3.amazonaws.com/gavobawum/bee_movie_apk_firestick.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB23 | 5276 bytes |
SHA-256: d19c122fbd019a318a12ce1d8f25d9f3bc0df613bb191e214f44cb8b69ff592d |
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font_01_sfnt_off0000fd12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD12 | 10244 bytes |
SHA-256: cd2fde606302be3227c38991ac06bf9fb74cc8a4328237bc868392634531d19c |
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