MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic further support this, pointing towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://midufefew.ru/wix?keyword=4+puntos+cardinales+de+venezuela PDF link annotation
- https://cdn-cms.f-static.net/uploads/4446931/normal_603001e782d73.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486368/normal_602fd5fdd6838.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460975/normal_603c705b04978.pdfIn PDF document text
- http://fujigukatujewu.medianewsonline.com/dapuxesopigexarogutot.pdfIn PDF document text
- http://nusukopov.22web.org/black_white_chunky_platform_heels.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383917/normal_5ff0054f1d097.pdfIn PDF document text
- http://bukipumil.mypressonline.com/50818077148.pdfIn PDF document text
- http://zozamowewideno.mypressonline.com/forex_trading_tutorial_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477183/normal_604422864ff65.pdfIn PDF document text
- http://monubagujizud.mywebcommunity.org/what_body_type_is_a_skinny_fat_person.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a9750898-a066-404d-a796-54a2f5ad13bb.filesusr.com/ugd/60231a_4133718903004194a72c512ee8e5b690.pdf?index=trueIn PDF document text
- https://2489a575-72f7-492f-b117-28cfe4a4d2a3.filesusr.com/ugd/d81705_79433557284b4f93b0b96f5c62a2a0f2.pdf?index=trueIn PDF document text
- http://vonuvaxi.epizy.com/3353342361.pdfIn PDF document text
- https://f26e6bca-ce10-4524-9610-ed5ef7c8d48b.filesusr.com/ugd/ac8c68_9cbc51bb11d1487389ca93da27ea05c4.pdf?index=trueIn PDF document text
- http://wixilapawatos.epizy.com/lakumetazanufetafuro.pdfIn PDF document text
- https://39472683-7d43-4bc3-882b-0947a83fd973.filesusr.com/ugd/544c7e_7ecb1623b76b45b8aba307e3b1fdebeb.pdf?index=trueIn PDF document text
- http://jeximojela.myartsonline.com/xinebisure.pdfIn PDF document text
- http://voperafabekom.epizy.com/harry_potter_and_the_half_blood_prince_chapter_21_summary.pdfIn PDF document text
- https://0029a690-d003-4268-bdc7-e74daa5a0415.filesusr.com/ugd/a4b355_f524d351f8f84c6ea33c95b6aba85083.pdf?index=trueIn PDF document text
- http://wivoruremuwun.rf.gd/soxevevupomotef.pdfIn PDF document text
- https://8a89c5bc-485b-4808-980c-66c60e8d9908.filesusr.com/ugd/834936_0c73c6164ab2420e838f83d0d85bd2ce.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_off00012564.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12564 | 5168 bytes |
SHA-256: 945e57d2755539114a8ff3a3e48973ad4f688bb2597f1e372eb100bbac7992ea |
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font_01_sfnt_off00013718.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13718 | 13112 bytes |
SHA-256: bf6b8006e2ef5f72333efd9c4a9a2b399560aefb807f791ff5b8269db8e6ae47 |
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