MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or trojan distribution attempt. The heuristics reveal it functions as a link farm, embedding numerous external URLs, with a primary focus on SEO-related keywords. The presence of multiple disposable hosting domains and a high number of external links suggests an attempt to redirect users to potentially harmful content or phishing 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://bologen.ru/award?keyword=diazonium+coupling+pdf PDF link annotation
- https://nidabiweni.weebly.com/uploads/1/3/4/8/134865500/talazofadejariwinimu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369656/normal_601b2e8a38710.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489843/normal_600c23d4eb181.pdfIn PDF document text
- http://potawuzaj.medianewsonline.com/how_to_use_thinkorswim.pdfIn PDF document text
- http://mekapidi.medianewsonline.com/nj_drivers_license_renewal_grace_period_covid-19.pdfIn PDF document text
- http://lezofifividex.scienceontheweb.net/movie_oxford_dictionary_definition_of_sport.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456143/normal_600ff08927fcf.pdfIn PDF document text
- https://latitatuforuza.weebly.com/uploads/1/3/1/3/131398212/najovelojuzas.pdfIn PDF document text
- https://doxuginuf.weebly.com/uploads/1/3/5/3/135346615/9098197280748.pdfIn PDF document text
- http://kuxogajow.iblogger.org/functional_weight_training_at_home.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://dc58184e-bbba-402a-8e08-a55d552c8f3f.filesusr.com/ugd/0ebc1f_2e4c2bc482c248cf93a0699ee1f5088a.pdf?index=trueIn PDF document text
- https://8f6f9f04-f977-4239-955d-f6aecf2dd879.filesusr.com/ugd/81cd61_cbc8999a1f5d4ac8832cd8503ccc8830.pdf?index=trueIn PDF document text
- http://dalitixusukewo.epizy.com/monkey_wrench_answers_sept_3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13637ad2-6429-4c3c-8096-ffa56c4b3e44/what_are_the_6_principles_of_influence.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/036330dc-1bb1-4c41-8702-88fbb5ca1c6e/what_are_the_5_elements_of_a_narrative.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/085001ef-507d-493a-a3f4-05cf186e86dc/84100982990.pdfIn PDF document text
- https://6ec3981f-6443-463b-a164-91fc69f101d9.filesusr.com/ugd/7603ae_e5f2f159e5bc42ada44c8b4f889137a8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a584b213-7b13-47bf-bf8a-1caa0bf44114/kilipawofejat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4dbab983-03cb-4e58-a988-94c0c2ea1733/lezunudekewituponifibu.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_off00010d16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D16 | 5248 bytes |
SHA-256: d8a2a6a52a04c8e442fc268edfead9259b9ec3c49134b36bf4702ac8994d5128 |
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font_01_sfnt_off00011ef5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EF5 | 11188 bytes |
SHA-256: 3ea706153517802632bea94e5247ddb53a7ba472fae798b6ab4fc691e7cf3552 |
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