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 0.9990
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://seumenha.ru/strik?utm_term=why+doesn%2527t+my+fitbit+display+not+working PDF link annotation
- https://cdn.sqhk.co/lojosexotak/jAjgogj/gun_range_simulator_pc.pdfIn PDF document text
- http://lilozekakotelup.sportsontheweb.net/wulorofuka.pdfIn PDF document text
- https://cdn.sqhk.co/dijabidasu/eyhgr8r/consumer_reports_car_seats_for_toddlers.pdfIn PDF document text
- http://bafiselavanebep.mywebcommunity.org/kaxozijejosaw.pdfIn PDF document text
- https://cdn.sqhk.co/fegukajebaj/iegi6ij/xarere.pdfIn PDF document text
- https://cdn.sqhk.co/letijefa/Cjgiahe/39082600598.pdfIn PDF document text
- http://sizuxofutitarax.mypressonline.com/jevelemalipakuwogu.pdfIn PDF document text
- http://pufivuziviv.mypressonline.com/business_analytics_internship_spring_2021.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/dc18784d-8b7b-487d-a377-586a40bf89d5/97310247249.pdfIn PDF document text
- https://0926596c-b1e6-4473-87d6-fed2e709bfeb.filesusr.com/ugd/e2a635_c26ab0be48b041ddb54588efccdcb726.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5de27c67-799f-437a-8d06-ed63a4524745/mp3xd_musica_gratis_para_escuchar_y_descargar_2019.pdfIn PDF document text
- https://b2f3f1fb-4f3f-4d5d-be65-f5b10dce6288.filesusr.com/ugd/735189_a4a444439dcc416799258d24ea125609.pdf?index=trueIn PDF document text
- https://b147a2f3-58af-4013-9def-597e86e94513.filesusr.com/ugd/47d6bb_0cb51fdc078e449e81fc1979608e1c97.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/34b9be43-068f-424f-8831-4dd7e26c2a82/57522457028.pdfIn PDF document text
- https://b3079848-b07e-4d89-9244-05dfa5dd91fe.filesusr.com/ugd/3ab5ed_8a929619bed54f5fafd34671227618cd.pdf?index=trueIn PDF document text
- https://6d5fec37-5936-4ae8-8938-03a86e982f09.filesusr.com/ugd/d4da64_213643f7e78d42859037b3dbe2c81ba0.pdf?index=trueIn PDF document text
- https://3682d434-6e27-4ac8-9ac2-d3ec24fa429c.filesusr.com/ugd/9b5f63_344c034ca5334ebf8ad1d8d222eb5b4d.pdf?index=trueIn PDF document text
- https://5984e891-aecd-43e6-866f-efdb297c9c35.filesusr.com/ugd/403565_9a06b34feea74e79970c63edba8b7cd4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7d4c6137-c95f-4c1e-bbf7-fe6273930ce1/82697471041.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fcadee1f-ed88-4270-91dc-2913934bae23/service_oriented_architecture_soa_for_dummies.pdfIn PDF document text
- http://ziwemasux.myartsonline.com/fdot_index_304.pdf.pdfIn PDF document text
- https://959e49da-b405-4961-97d4-5c1bb2e9a628.filesusr.com/ugd/ab0441_0fa4d8acebed407f94d23053cc8a9588.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/677e1ce9-9712-4b25-8409-bea7929ace06/dnd_5e_fighter_level_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0845f8a8-18a3-478b-a1ea-fa8f4b8eb6cb/46480364998.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/70130ae7-dbf1-4544-9e37-dcc77cc443f7/semujaz.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_off0000ee2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2E | 5900 bytes |
SHA-256: 57e43ea6fa3b8f40eae7e1da3b9408bdbf8f1c72f38f100ff98575017a3caae4 |
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font_01_sfnt_off00010240.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10240 | 10184 bytes |
SHA-256: 585f0711b3e4b7b825036d88b1147f90cb7b02ce9a4fca1dd0c02edce6337c97 |
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