MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as 'Pdf.Phishing.Trojan'. The file contains a large number of external links, indicating a link farm strategy, with one prominent URL being https://ponafet.ru/strik. The presence of embedded URLs and the overall structure suggest an attempt to redirect users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ponafet.ru/strik?utm_term=what+is+tcp%252Fip+model
- https://static.s123-cdn-static.com/uploads/4388160/normal_60081e862934e.pdf
- https://gepufefodu.weebly.com/uploads/1/3/4/0/134013389/2112695.pdf
- https://cdn-cms.f-static.net/uploads/4481671/normal_6026a47758fea.pdf
- https://woxolifufoku.weebly.com/uploads/1/3/4/2/134234665/zesitajogajosadedus.pdf
- https://cdn-cms.f-static.net/uploads/4368504/normal_60293eb6af402.pdf
- https://cdn-cms.f-static.net/uploads/4453532/normal_6009dc89cf370.pdf
- https://static.s123-cdn-static.com/uploads/4472484/normal_5fec3fbb824d8.pdf
- https://cdn-cms.f-static.net/uploads/4463824/normal_605708923a37b.pdf
- https://mizabago.weebly.com/uploads/1/3/5/2/135299272/balefalaveletiruto.pdf
- https://vebilikowuti.weebly.com/uploads/1/3/2/7/132740371/puwariwexuxid.pdf
- https://cdn-cms.f-static.net/uploads/4413228/normal_6035cb9fd0469.pdf
- https://cdn-cms.f-static.net/uploads/4493266/normal_60637c9e1197a.pdf
- https://cdn-cms.f-static.net/uploads/4371267/normal_6055b959b52a6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cf176ec6-4820-456b-adf9-61e5f06c968f.filesusr.com/ugd/43d598_4dfed57e897b461386ccd5ead0a809a8.pdf?index=true
- https://91c7bc9f-df77-4dbd-ae51-8bcf521f3e61.filesusr.com/ugd/1df9ea_e378aba119344c6fb1788f45af8b9f17.pdf?index=true
- https://s3.amazonaws.com/rebesudanolo/23682549359.pdf
- https://s3.amazonaws.com/vebenok/bill_nye_science_video_worksheets.pdf
- https://s3.amazonaws.com/jakujakula/what_is_the_best_coffee_maker_with_built_in_grinder.pdf
- https://4c72699b-aa2e-4dc8-8bd5-1a54e8f938a6.filesusr.com/ugd/f3cb45_e51f39ffaa40410ca23068352352ef47.pdf?index=true
- https://s3.amazonaws.com/sorogamat/los_pronombres_relativos_en_frances.pdf
- https://s3.amazonaws.com/vexosafugunu/the_witcher_the_last_wish.pdf
- https://s3.amazonaws.com/fojaxexino/dipejelojapovusetofe.pdf
- https://s3.amazonaws.com/suximawo/elements_and_their_symbols_worksheet.pdf
- https://737c154f-ca75-4484-807d-9d5c19d76377.filesusr.com/ugd/7e84b7_657adfaf2f7f446db34fa086a484966d.pdf?index=true
- 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_off0000f3b7.bin9f08ca61ca3dfdc2c106142e5b5e5f526d189f99a66c2582a2eb1aefe183e49c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B7 | 5264 bytes |
font_01_sfnt_off0001058f.bin7056d104fe750e2c0e6d54cd850d3d3eaef1ba70bd585e0ef8a0bd5447469678 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1058F | 10744 bytes |
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