MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with a critical heuristic identifying it as a PDF SEO link farm. One prominent external URI, 'https://vilenefex.ru/award?keyword=bio+plastic+pdf', is flagged as suspicious. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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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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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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://vilenefex.ru/award?keyword=bio+plastic+pdf
- https://cdn-cms.f-static.net/uploads/4448343/normal_6011899f47948.pdf
- https://cdn-cms.f-static.net/uploads/4393790/normal_5fd78cc3245f7.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/fb8e7cf7-8b35-460e-be03-e3e7d3ba29f9/lufufenosusazopegoxo.pdf
- https://s3.amazonaws.com/rurovikejigibu/jokadirolepumakefuw.pdf
- https://e5baaea7-7007-41de-9367-4ebf3ed55875.filesusr.com/ugd/8e1900_25b22d655e124a05bdbc27f4f42f68d5.pdf?index=true
- https://s3.amazonaws.com/wonumafubij/95197381818.pdf
- https://6346cca1-8be9-442e-91e0-e35201572fa6.filesusr.com/ugd/a8c077_c1602d6d6ab9490094220bb738777805.pdf?index=true
- https://s3.amazonaws.com/batoragubukepo/bombay_stock_exchange_in_india.pdf
- https://s3.amazonaws.com/pewebopufupe/kixasalotazoliwolajozad.pdf
- https://uploads.strikinglycdn.com/files/158365eb-aac7-4275-8906-aad29bca27c5/90061009752.pdf
- https://s3.amazonaws.com/sudevejerifu/goweden.pdf
- https://s3.amazonaws.com/wonumafubij/70990414774.pdf
- https://c31d65df-273c-4bcc-acfb-7b03b0724b99.filesusr.com/ugd/e7e4a0_9ab3e49fee194beda6b56129d01ca229.pdf?index=true
- https://a24bc4ef-4ee2-4fae-af0c-c9fea810b245.filesusr.com/ugd/67d96c_b5d84af28c7e4db7baa5be1eb84b0c53.pdf?index=true
- https://uploads.strikinglycdn.com/files/74893f56-0e45-4858-b505-0de03185123f/vowezawimolo.pdf
- https://8c77b9b7-c39b-43d6-9406-6086bd2c0f93.filesusr.com/ugd/ee6770_097d7763e95f445ca0350c1d900a8a5c.pdf?index=true
- https://s3.amazonaws.com/bivanud/sebizapojodugenajilidogi.pdf
- https://uploads.strikinglycdn.com/files/8ff76b04-6f0a-4287-906b-2d05839762c4/zivopizuwikadin.pdf
- https://s3.amazonaws.com/bejikefowu/bihar_board_compartmental_admit_card.pdf
- https://s3.amazonaws.com/napoledunadigo/86534809308.pdf
- https://uploads.strikinglycdn.com/files/a1ec837d-fcbf-4bd4-b668-468cafff3f2f/que_es_la_educacin_especial.pdf
- https://uploads.strikinglycdn.com/files/da20936c-0c6a-4318-997f-dc70c92a8545/what_is_a_swinging_chair_called.pdf
- https://uploads.strikinglycdn.com/files/539732ba-2107-4b71-8dee-00c9a26725e6/il-1120-st-v_instructions_2019.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7a4.bin7b08d46c68b60853b766a882d64c8149e8b2b6bd8bd64194e8958ce87a8c34c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A4 | 5100 bytes |
font_01_sfnt_off0000f917.bin7cac9bbacd03e1fb6669d5d5178f1859e945de6a94096fee5b788ad89fa42302 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF917 | 10576 bytes |
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