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 0.9993
Heuristics 6
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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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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://leonvi.ru/strik?utm_term=yo+tengo+tu+amor+acordes+ukulele PDF link annotation
- http://idealicait.site/xedurofiginivawibujuzimbehq3.pdfIn PDF document text
- http://soldatskaya6.ru/1000_most_common_spanish_words8hrpo.pdfIn PDF document text
- https://pepukuvem.weebly.com/uploads/1/3/0/9/130969690/094d5c9.pdfIn PDF document text
- https://rajidekexosixi.weebly.com/uploads/1/3/0/7/130738830/jopugefuv.pdfIn PDF document text
- https://bogibopedazite.weebly.com/uploads/1/3/4/0/134018154/tenevora_sopebapimitav_levagubek_fomawedojew.pdfIn PDF document text
- http://pifadopagel.scienceontheweb.net/46805439046.pdfIn PDF document text
- http://fudazozotakaxal.mywebcommunity.org/the_big_friendly_giant_book_review.pdfIn PDF document text
- http://legendnat.space/lisa_dent_curatorittg7.pdfIn PDF document text
- http://worabipupe.mypressonline.com/7046033470.pdfIn PDF document text
- http://hydrofthol.space/widaxurovi51zec.pdfIn PDF document text
- http://vebifitapex.mypressonline.com/18066329910.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c4a5d104-04f9-44e6-b03f-1f5edac3680f.filesusr.com/ugd/f23921_68744bebe49446b49346c314a7b5bca0.pdf?index=trueIn PDF document text
- https://03aaa7dd-6608-466c-a68c-f41c59811c05.filesusr.com/ugd/ae15ca_2729498861b946f495d92378bdf1c1c9.pdf?index=trueIn PDF document text
- https://2e6726a7-2e78-456a-9fa1-8bc85c3b20a6.filesusr.com/ugd/76e31d_3ecf42c7bd2c45acbd5ca6011dabc988.pdf?index=trueIn PDF document text
- https://4bf641bf-117a-4913-931f-55e49063997f.filesusr.com/ugd/5befcb_514aa119faad469d877aea3b242afc69.pdf?index=trueIn PDF document text
- https://a4758657-6aaa-4003-b0f6-1957e800abfd.filesusr.com/ugd/70c1f8_3a64139f624e46abb9d3e94fac615ce1.pdf?index=trueIn PDF document text
- https://2080fafa-2491-4ac3-8118-a138f33bff34.filesusr.com/ugd/822ecd_f668dd9758fe4a53a49a71027b8966cf.pdf?index=trueIn PDF document text
- https://8d59741e-369e-44be-b01e-8fbcb09d2d01.filesusr.com/ugd/7cefa9_3adb67732d604f1c94b57c52f3d1427a.pdf?index=trueIn PDF document text
- https://e72deea9-3c4d-48de-8429-d2e8e2d5d9b3.filesusr.com/ugd/68b2df_2933de8f309042d5b94bfd8b6ff478a3.pdf?index=trueIn PDF document text
- https://709e7e89-b264-4d73-b757-064736ed86f1.filesusr.com/ugd/f523c3_123283a027294a449434b16b94057c47.pdf?index=trueIn PDF document text
- https://b81f28a7-a6cc-4df9-aebb-a76b708ee4b5.filesusr.com/ugd/df05b2_5a57cde7577446388469b3dea38509ef.pdf?index=trueIn PDF document text
- https://f421159b-d329-41e8-bc42-072bc93e4c50.filesusr.com/ugd/65d6f7_5614382ac70b4939ab2df4b8d931f765.pdf?index=trueIn PDF document text
- https://2489a575-72f7-492f-b117-28cfe4a4d2a3.filesusr.com/ugd/d81705_3da3c51a1e7447d2930a47b2b520e410.pdf?index=trueIn PDF document text
- http://tevefetilojas.atwebpages.com/25147366428.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_off0000f2f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F7 | 5284 bytes |
SHA-256: a9b17b3e4b66c185c013eab78dfb4f881687e06afd6e8e76f3cadbb47c4a51f2 |
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font_01_sfnt_off000104dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DC | 12064 bytes |
SHA-256: 9fefedadf434f93d61213104eb4008731d2d76ebb0e611f27955c5aa143dea46 |
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