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 0.9996
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://bologen.ru/strik?utm_term=what+vitamins+should+i+take+to+clear+up+my+skin PDF link annotation
- http://noxopadorilu.iblogger.org/review_omron_10_series.pdfIn PDF document text
- http://duwosolutanuz.mypressonline.com/moraxotigubofa.pdfIn PDF document text
- http://sixesijilolun.mywebcommunity.org/may_2017_sat_qas_answer_key.pdfIn PDF document text
- http://straponartist.com/paladin_character_sheet_5er9sdt.pdfIn PDF document text
- http://free-at.pro/778578562531s4fj.pdfIn PDF document text
- http://pakizimavom.scienceontheweb.net/is_cna_certification_hard.pdfIn PDF document text
- http://sutobep.getenjoyment.net/2005_polaris_sportsman_400_repair_manual.pdfIn PDF document text
- http://lebuvowune.getenjoyment.net/are_all_witcher_books_good.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://dokaxemimagi.epizy.com/bandlab_apk_file.pdfIn PDF document text
- http://katemuzi.rf.gd/firuvemapofafaxebe.pdfIn PDF document text
- https://1ffb5d6c-d890-49e0-9b87-dc10fbfa49e2.filesusr.com/ugd/8bc2a6_6a6a963d890a4a039519c79793f384b1.pdf?index=trueIn PDF document text
- https://467375c7-a7a6-4806-a9b7-892c2a528f89.filesusr.com/ugd/911174_dbc396e3fb6a482bb353a024a68ab756.pdf?index=trueIn PDF document text
- https://aa5f33e9-793b-4807-a257-9eac84d314d0.filesusr.com/ugd/aa57b2_ab14f683749c4b72bff9c31484505cb6.pdf?index=trueIn PDF document text
- https://c78ffd2e-fc3d-4272-86ca-968d835fb7ad.filesusr.com/ugd/0f9ef0_04fe1a32331049be8f61cedfef4adc0c.pdf?index=trueIn PDF document text
- http://mifaropofim.epizy.com/john_deere_x304_dethatcher_attachment.pdfIn PDF document text
- https://3d7304b5-8527-495f-b913-615d6f357a43.filesusr.com/ugd/ef7486_ad325a95695044da91a836b1af779f98.pdf?index=trueIn PDF document text
- http://lifugebavu.rf.gd/java_8_numberformat_thread_safe.pdfIn PDF document text
- http://rixavadalut.rf.gd/96716833791.pdfIn PDF document text
- https://992bddda-184d-467f-a815-0165b41a2208.filesusr.com/ugd/69695d_0216671d6bb04913a9ae03f6e0daa8df.pdf?index=trueIn PDF document text
- http://zuvemodu.rf.gd/medical_appointment_template.pdfIn PDF document text
- https://cccd2283-d272-450a-840b-6541230ebad2.filesusr.com/ugd/5de1df_82f3f13aba574767ba4a91ddb80df7bc.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0A | 5432 bytes |
SHA-256: 44e9f513e4145ee9deb423aa3ff00df315fef6192c32fb4070ab4ecd94e8cc20 |
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font_01_sfnt_off00010d68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D68 | 10988 bytes |
SHA-256: 8294761de653794f2441722ce17086ff97c80c31ad8b4cb2fff066fac24193a1 |
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font_02_sfnt_off00013284.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13284 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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