MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to drive traffic to specific URLs. The primary URL, 'https://coretry.ru/pbw?utm_term=business+ethics+final+exam+questions+and+answers+pdf', indicates a lure related to exam questions. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://coretry.ru/pbw?utm_term=business+ethics+final+exam+questions+and+answers+pdf PDF link annotation
- https://rawoxozuk.weebly.com/uploads/1/3/2/6/132695352/dujazevogujekuwoj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485942/normal_5fda1d4ddcc84.pdfIn PDF document text
- https://nojiwikimina.weebly.com/uploads/1/3/5/3/135315372/e9c17bcd.pdfIn PDF document text
- https://vadewaxuwarivi.weebly.com/uploads/1/3/7/5/137511132/9015020.pdfIn PDF document text
- https://napajudiweji.weebly.com/uploads/1/3/4/3/134316113/fedemudizipik.pdfIn PDF document text
- https://fupemotajupatis.weebly.com/uploads/1/3/4/7/134718556/jalolonugijese.pdfIn PDF document text
- https://gubotejulide.weebly.com/uploads/1/3/4/3/134380330/soxufoda.pdfIn PDF document text
- https://sidomepavoresob.weebly.com/uploads/1/3/5/3/135322675/favogofexebexelo.pdfIn PDF document text
- https://dufeduvu.weebly.com/uploads/1/3/4/4/134481569/539b08.pdfIn PDF document text
- https://finutobinito.weebly.com/uploads/1/3/1/4/131406284/zawolidaban.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448718/normal_5fdc0d1dbdbc3.pdfIn PDF document text
- https://bulamudaxila.weebly.com/uploads/1/3/4/9/134903330/4759989d.pdfIn PDF document text
- https://buvonage.weebly.com/uploads/1/3/0/9/130969236/cc4a3715c04404c.pdfIn PDF document text
- https://govenovu.weebly.com/uploads/1/3/4/7/134701044/megaterofadaxogifaxo.pdfIn PDF document text
- https://nonufovoda.weebly.com/uploads/1/3/0/7/130775853/d647a3e7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413005/normal_603d12d167943.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465149/normal_60bc1ff53f766.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422377/normal_6022bc7356a80.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387586/normal_606358ae32f7d.pdfIn PDF document text
- https://tudasuli.weebly.com/uploads/1/3/4/4/134403402/rinozuladi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502819/normal_6013b149c48d2.pdfIn PDF document text
- https://pebabozepevi.weebly.com/uploads/1/3/5/9/135966679/liruxakubomuje-mugigugo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/78fa5c38-6319-4cc7-9db3-14793e54fd47/lefevaludufo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/766c6496-9d05-45a1-8162-d96ff29ee225/how_to_clean_ruger_p95dc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cbf78b6c-d893-452c-8bde-5fd793dbaebf/jivijazilul.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fdef4c80-ae26-4939-a87b-1eb6a3ed5bba/usana_preferred_customer_price_list_philippines.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b476e4b4-c578-4188-b55b-73af5526441a/gavalovodolugujidib.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://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_off000102a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102A0 | 3576 bytes |
SHA-256: 0b23666b5a251c9700715c99733a774d15f48eb7e68dba118894cf182ceb0458 |
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font_01_sfnt_off00010f53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F53 | 5728 bytes |
SHA-256: 32ea364e0f33c52aca3d8a9551dd6efea815337d9c1586ef5825612ed811ae0d |
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font_02_sfnt_off000122c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122C4 | 11232 bytes |
SHA-256: 19d08c09117b7711d4084b560c597cd1355519e48692aa7aa9c1ae850a47f72e |
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