MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, characteristic of a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the PDF structure and numerous external URIs suggest it's part of a campaign to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://seumenha.ru/award?keyword=corporate+branding+definition+pdf PDF link annotation
- http://jepenufi.getenjoyment.net/tokofovusibuz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://repiwefubuw.rf.gd/alzheimer_tratamiento_nutricional.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db290beb-da4c-44c6-a04c-7f28c288e83f/sangean_pr-d5_am_fm_portable_radio.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f0add4f-16b2-41a1-b7d1-9a2f7f34cb72/45283974386.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/468a14b8-c146-457e-a93a-0ee0c5b658de/how_to_google_search_a_picture_on_iphone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/81f4894d-24ab-4523-8630-a9746cbc5d99/36155606696.pdfIn PDF document text
- http://laposul.rf.gd/guided_media_and_unguided_media_in_networking.pdfIn PDF document text
- https://cf075d60-af7c-4c71-a16c-5c8c125a9bb7.filesusr.com/ugd/cc03df_9bbf9d2d9f7d425f887ff71fabd40c97.pdf?index=trueIn PDF document text
- http://kabuzore.atwebpages.com/dalixexakala.pdfIn PDF document text
- https://fbaba6ab-37cf-477f-82bd-e10a416eccda.filesusr.com/ugd/3c8574_854e06c2435549dc9f1c0c19308428a5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ee211c0c-d805-46ed-8dee-d6b15846f5ee/41578456713.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3cdd343d-e73b-4351-af35-deca78675ed4/why_didnt_i_receive_my_child_support_payment_texas.pdfIn PDF document text
- https://2a07c75e-e898-48ba-b326-4cccc82d0599.filesusr.com/ugd/ff154e_59aaaccad15947e884385137b32e7cc7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/doxifuba/laminating_cleaning_sheets_kmart.pdfIn PDF document text
- https://s3.amazonaws.com/saziwijaxodav/bphc_compliance_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62f19063-6f6d-4125-ba13-ca1fddf021fb/jupikugewomubamapagew.pdfIn PDF document text
- https://s3.amazonaws.com/wejuvono/computer_terms_full_form.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12042301-a6a3-4492-bcbb-3d004bf4586a/wunotobukumirusuguduk.pdfIn PDF document text
- https://s3.amazonaws.com/xesigeze/buterusolux.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_off0000ea23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA23 | 5044 bytes |
SHA-256: fb86404a79288fc37a5f83bf921b3bc9d2beb2b3a5cfcb0706c43baabc007bd4 |
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font_01_sfnt_off0000fb51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB51 | 9748 bytes |
SHA-256: 12a0a29bb560adbbd500c4fb0f7fa7bf1062679c688659cee332876129461366 |
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