MALICIOUS
126
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 phishing or trojan threat. It contains numerous embedded URLs, with one prominent URL pointing to 'infrive.ru', suggesting a redirection to a malicious site. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF is designed as a link farm on disposable hosting, further supporting a malicious intent to distribute links. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 5
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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 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://infrive.ru/pbw?utm_term=example+of+claims+of+fact PDF link annotation
- https://buvesedivuros.weebly.com/uploads/1/3/5/3/135398108/nekuwej.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444371/normal_5fe3e76335d40.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465018/normal_605f3fa385235.pdfIn PDF document text
- https://rofasotukez.weebly.com/uploads/1/3/0/7/130740205/6509538.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4386842/normal_60047fc619f0e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367296/normal_6043877ccbf53.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459188/normal_6062bf2a054b6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408721/normal_60501d902c30c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481522/normal_601615b2ce97f.pdfIn PDF document text
- https://parimuxuroz.weebly.com/uploads/1/3/2/6/132682994/binazu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://rijunepupuja.pbworks.com/w/file/fetch/144562944/taribinaji.pdfIn PDF document text
- http://kimotamiju.pbworks.com/w/file/fetch/144556632/bts_bon_voyage_season_1_eng_sub_ok.ru.pdfIn PDF document text
- http://xifatarege.pbworks.com/w/file/fetch/144548772/steve_mauro_indicator_free_download.pdfIn PDF document text
- http://tusoxefum.pbworks.com/w/file/fetch/144476754/19017866776.pdfIn PDF document text
- http://nowefuro.pbworks.com/f/como_hacer_cuentas_netflix_gratis_2020.pdfIn PDF document text
- http://nuxawakaxaz.pbworks.com/f/super_mario_64_multiplayer_1_3_download_android.pdfIn PDF document text
- http://jabodawo.pbworks.com/w/file/fetch/144601023/rupizutedosefuvelutumiwo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09955077-356c-4e31-bb7a-e697972030e1/19459919544.pdfIn PDF document text
- http://wuvebag.pbworks.com/w/file/fetch/144424722/pensar_rapido_pensar_despacio_libro_resumen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5309e0e7-4445-4a7b-a351-29bb9c5b8064/39471706866.pdfIn PDF document text
- http://tozuxexap.pbworks.com/w/file/fetch/144524598/71900648599.pdfIn PDF document text
- http://lagawiwefe.pbworks.com/w/file/fetch/144521337/88331696166.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee5ee353-aece-43ab-8552-9832eee4370e/philosophy_of_education_today_an_introduction.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA1B | 4772 bytes |
SHA-256: 57c0afc0933bcc26c9da704757c00ca81e10251c2d99479c67ec92d0437df161 |
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font_01_sfnt_off0000fa68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA68 | 10780 bytes |
SHA-256: 4773357381473633fdf188b24b6816c1441e38614d3c942bd94dac177beaf69e |
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font_02_sfnt_off00011efe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EFE | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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