MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier returned a high probability of maliciousness. The document body, though heavily obfuscated, appears to be a lure related to weight loss, directing users to a suspicious URL. The PDF also functions as a link farm, containing numerous links to disposable hosting domains, many of which are likely part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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 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://jottigo.ru/strik?utm_term=does+the+warrior+diet+work+for+weight+loss PDF link annotation
- https://static.s123-cdn-static.com/uploads/4387242/normal_5ff50715a6628.pdfIn PDF document text
- http://kotuputepoworug.22web.org/king_lear_sparknotes_act_2.pdfIn PDF document text
- http://wekanisa.scienceontheweb.net/78779893753.pdfIn PDF document text
- http://lologunaw.mygamesonline.org/spanish_language_dictionary.pdfIn PDF document text
- http://bijipejip.iblogger.org/beer_pong_rules_same_cup_twice.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501993/normal_605c0bbdc18ed.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
- https://ffcd7f67-9b43-45c2-8e44-b15cca9583b8.filesusr.com/ugd/48bf55_0964442aee86404fb64b8cc15b330459.pdf?index=trueIn PDF document text
- http://wevabotatufor.rf.gd/44900107034.pdfIn PDF document text
- https://c4e42e93-254c-4ba8-b495-737f84002742.filesusr.com/ugd/ddb60a_33ac238cf8134cfcbdfad6f3c742cb1d.pdf?index=trueIn PDF document text
- https://8dac4d01-2cd1-45d2-8b5f-6005f802adc9.filesusr.com/ugd/1f96ce_811413878cf94099873808d38d8b9ae4.pdf?index=trueIn PDF document text
- https://6cb1c90e-07cf-4522-b85d-4edd8abc33c8.filesusr.com/ugd/0c41e7_bfb01dfc0aae43748f59030e65f15d5b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wizomoravazub/2002_f250_7.3_automatic_transmission_fluid_capacity.pdfIn PDF document text
- http://zaxuzut.atwebpages.com/xujewux.pdfIn PDF document text
- http://votixeju.onlinewebshop.net/pepixuwarebo.pdfIn PDF document text
- https://s3.amazonaws.com/xepululejiwof/accessories_for_total_gym_platinum.pdfIn PDF document text
- http://jasisogurajis.rf.gd/86108136701.pdfIn PDF document text
- https://3465328d-eb21-4af5-a94e-b8fdacefaafa.filesusr.com/ugd/c63bf9_58ead21a7dfe432abed5c20f0e8be846.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wifukedot/tesikunajetabenamiwum.pdfIn PDF document text
- https://s3.amazonaws.com/polexebuj/52717857663.pdfIn PDF document text
- http://nevafofuvabovid.atwebpages.com/equity_and_equality_in_health_and_health_care.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10545 | 5004 bytes |
SHA-256: 159c513cbfcffaa4eaef8795762cee28d956ecd3ec61315c28b19603773ce5f2 |
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font_01_sfnt_off00011673.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11673 | 10608 bytes |
SHA-256: 01e358a051b16dbb4de33cf07427d6964d096ec1ab0717bb07a06fb62117778d |
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font_02_sfnt_off00013ab1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AB1 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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