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, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a tactic of redirecting users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://midufefew.ru/123?utm_term=answer+2019+apk+kbc PDF link annotation
- https://cdn-cms.f-static.net/uploads/4425910/normal_60502553d244a.pdfIn PDF document text
- https://bulasenojagaroj.weebly.com/uploads/1/3/4/3/134357248/1a8a78c445a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454277/normal_600ce20c4de69.pdfIn PDF document text
- https://xuwumiguxapizif.weebly.com/uploads/1/3/0/7/130739656/4477478.pdfIn PDF document text
- https://kofekatemate.weebly.com/uploads/1/3/2/8/132815318/vubijipoluzoj_gumajufazox_tanutatamutixer.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456377/normal_5ff75eed06415.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427274/normal_5fd92d0e34de0.pdfIn PDF document text
- https://nuniladolu.weebly.com/uploads/1/3/0/7/130775245/jaxalekejuserera.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454419/normal_603a207d98f81.pdfIn PDF document text
- https://velazidolis.weebly.com/uploads/1/3/0/9/130969689/nisimolo-fezogumumasedas-xafujavezane-nomudizemutaxu.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://fedorahosted.org/lohitIn PDF document text
- http://wozixokumo.pbworks.com/f/gukupezegolepezov.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db562e75-d4de-44d6-9785-6a6b07be44c3/lg_hbs_700_bluetooth_pairing.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ecdb010-0fcc-4a53-85e8-3403ca111c9e/85214064708.pdfIn PDF document text
- http://gonumutat.pbworks.com/w/file/fetch/144496476/gta_san_andreas_apk_and_obb_with_cleo_mod.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/926f7f2c-0667-427b-ae2e-d038f334a3c4/what_is_the_vesa_for_samsung_tv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4a787d76-7467-48bd-a18d-c35f45305d81/what_business_model_does_netflix_use.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e606c66-47ae-4bfb-a735-626530734a87/91510676859.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9930293b-97f6-4384-98fd-4ff8bc45c686/serial_para_office_2013_professional_plus_32_bits.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e682.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE682 | 5212 bytes |
SHA-256: 65dc0666b1f5d9c134e8db237da69770dc38ce87f9ce259b674d2f4d113d6e9f |
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font_01_sfnt_off0000f835.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF835 | 10888 bytes |
SHA-256: 86832c38518634fdd3e3232e2ad84087910266ce19f45788487b3f3c9575e77b |
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font_02_sfnt_off00011d5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D5A | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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font_03_sfnt_off00012b5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B5A | 6100 bytes |
SHA-256: 499491eaeaa85cea0551bc95bd2e835d9a256984f1254a0d32dddeb3edac7ed1 |
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