MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm designed to distribute malware or phish users. The document body, though heavily obfuscated, contains metadata related to 'wkhtmltopdf' and a query about personality compatibility, which likely serves as a lure to entice users to click on the embedded malicious links.
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://pelibifir.ru/strik?utm_term=what+personality+type+am+i+compatible+with PDF link annotation
- https://static.s123-cdn-static.com/uploads/4412573/normal_5ffa5cac45b71.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427105/normal_6017cf4a4058a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426676/normal_6026a92e88d94.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420906/normal_5fcf64656edee.pdfIn PDF document text
- https://gawudizilox.weebly.com/uploads/1/3/5/3/135300959/fozufet.pdfIn PDF document text
- http://vamoktin.ru/boundary_layer_in_fluid_mechanicsrgh63.pdfIn PDF document text
- https://gunubamevozapub.weebly.com/uploads/1/3/3/9/133997290/58b6d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488837/normal_603c20df17e1e.pdfIn PDF document text
- http://cesaregaspari.com/chainama_college_application_formpfn92.pdfIn PDF document text
- https://zolidejowifaw.weebly.com/uploads/1/3/5/3/135313364/0da0a51.pdfIn PDF document text
- https://pesiwuveso.weebly.com/uploads/1/3/5/3/135392822/1326467.pdfIn PDF document text
- http://ita-talia.fun/20278752618mygnw.pdfIn PDF document text
- https://vonepegoparopew.weebly.com/uploads/1/3/4/3/134352316/05f91a049c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/06553626-5631-42f1-a583-60e8cb9bd21b/young_living_essential_oils_order_form.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fdb1c10f-5dd4-4e91-ba6b-b1e3467dbb10/9827024036.pdfIn PDF document text
- https://917ed8d3-8a9f-4c5c-a3ad-554e533308ad.filesusr.com/ugd/a4e402_0fb7fba2295f47adb2bc6fc61a7e7d00.pdf?index=trueIn PDF document text
- https://77701ba7-c5ad-4750-ab17-5b03548f7fc0.filesusr.com/ugd/9a242c_5acfc281e83244cda608b67ffd95a382.pdf?index=trueIn PDF document text
- http://ripivetozevulu.epizy.com/15440031760.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d55b8da-ce09-476c-ae75-7f8755ba65d2/bissell_big_green_professional_carpet_cleaner_machine_rental.pdfIn PDF document text
- http://siwodonodefofo.epizy.com/converting_area_units_worksheet.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_off00010ca9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA9 | 5520 bytes |
SHA-256: 338a6624cc684632feb6dc22c4f33b54e75b0bbcaa6aade06811b6feb89c9421 |
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font_01_sfnt_off00011f59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F59 | 10708 bytes |
SHA-256: 00b7ce8afecf8532b741332e7f006109397160081d2d690a906b94f844f03cc0 |
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