MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation scheme. One of the primary links points to a URL that appears to be a redirector, potentially leading to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://jacksth.ru/strik?utm_term=black+no+more+chapter+2+summary PDF link annotation
- https://cdn.sqhk.co/daposofoxig/T4ifphi/microsoft_powerpoint_education_themes_free.pdfIn PDF document text
- https://cdn.sqhk.co/raxuzuvuluf/qKjUgeB/30th_birthday_parties_for_her.pdfIn PDF document text
- http://kilijosizujowo.medianewsonline.com/auntie_anne_s_job_application.pdfIn PDF document text
- http://norasuzajo.mywebcommunity.org/ccsp_cbk_2nd_edition.pdfIn PDF document text
- http://napufokotipo.getenjoyment.net/73326741241.pdfIn PDF document text
- http://botavubapisod.mywebcommunity.org/bulleh_shah_quotes_in_punjabi.pdfIn PDF document text
- http://zugapuvu.mywebcommunity.org/26605487678.pdfIn PDF document text
- https://cdn.sqhk.co/pawekenu/iaFoNXa/wugoriguravulatanogojiv.pdfIn PDF document text
- https://cdn.sqhk.co/molavagew/gihgfif/65345147603.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vepitejususas.atwebpages.com/dell_xps_8500_bluetooth_driver.pdfIn PDF document text
- https://76b44699-1094-4fd8-8d4a-70b7be8159c3.filesusr.com/ugd/c450b2_558484015e774403be914ce7bfb61548.pdf?index=trueIn PDF document text
- https://5f90d536-2a72-4461-adff-280afd3056cb.filesusr.com/ugd/27c394_71c4ae0932b143cb8ff1d2f21b818d17.pdf?index=trueIn PDF document text
- https://171e2b11-24ea-4535-acac-f971ec821c4b.filesusr.com/ugd/a07927_50924f0cccfb43638267be8b7911a346.pdf?index=trueIn PDF document text
- https://34ea5197-a9e9-4ba5-99bb-a7dd7aeba98b.filesusr.com/ugd/234f58_b9070c9eb9db4203bc7e91d3ee907a9b.pdf?index=trueIn PDF document text
- https://1f571a09-6495-4108-bd1a-9715deae29b5.filesusr.com/ugd/b0bf26_9b45df85a5d141b8be7aa9333c90fa70.pdf?index=trueIn PDF document text
- https://4a31e3f8-49e3-4331-b1a9-c0bb7a6b9dbc.filesusr.com/ugd/599f1c_ee700bef22bf422fbfe52c293bf1a12b.pdf?index=trueIn PDF document text
- https://e5058785-d3d1-442e-b0ad-d0045053dde7.filesusr.com/ugd/17c622_0b756c1fdc664765a083e95e6ede63f4.pdf?index=trueIn PDF document text
- https://0cfe495c-9a5f-46a1-a5f3-fb21b6211bac.filesusr.com/ugd/7aabb2_c5b802d6414d47e29786d14ed4dc6119.pdf?index=trueIn PDF document text
- https://459fb65c-52af-4c88-885a-43a44fbeaf25.filesusr.com/ugd/6a7407_c744f2a6baae4266aaeede5e0bdab549.pdf?index=trueIn PDF document text
- https://b3709dad-42f4-4621-9b7e-74d31ca978cd.filesusr.com/ugd/f91cf1_4453ed2f10d047cc9c3f489c2e54aba0.pdf?index=trueIn 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_off0000ea7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7A | 5520 bytes |
SHA-256: 088f32e92b582c0d41e2b51a584e14380e1463fc7774a6a541415eef46e30e06 |
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font_01_sfnt_off0000fd21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD21 | 11548 bytes |
SHA-256: bc33f3418baad8375d23c114b9bf5d411ece3b813d55533e234c1a9d4ba6f108 |
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