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 0.9992
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://nipisod.ru/strik?utm_term=amino+acids+contain+nitrogen+true+or+false PDF link annotation
- https://cdn.sqhk.co/fegojujor/vq8E8ie/vakie_video_maker_with_special_effects_tutorials.pdfIn PDF document text
- https://cdn.sqhk.co/mumeriretepi/riaQX06/lefevaz.pdfIn PDF document text
- https://merusedezut.weebly.com/uploads/1/3/4/3/134361649/vikodirusenobi.pdfIn PDF document text
- https://sisareses.weebly.com/uploads/1/3/1/4/131454440/jorunizixidixapomi.pdfIn PDF document text
- https://xinotetul.weebly.com/uploads/1/3/5/3/135351743/gavipibozafesidoge.pdfIn PDF document text
- https://cdn.sqhk.co/xagaxubibiz/ZiihbPq/transfer_case_leak_symptoms.pdfIn PDF document text
- https://turikiripejuz.weebly.com/uploads/1/3/4/5/134501804/00cd56fc3b.pdfIn PDF document text
- https://mabanopovofed.weebly.com/uploads/1/3/1/4/131453130/pebulufifeziw_zeluzobi.pdfIn PDF document text
- http://bisibometixo.mywebcommunity.org/the_one_real_thing_espaol.pdfIn PDF document text
- https://weritudasokapo.weebly.com/uploads/1/3/4/4/134494226/4212687.pdfIn PDF document text
- https://lokawinopigu.weebly.com/uploads/1/3/2/7/132712062/juwej.pdfIn PDF document text
- https://zadidiboz.weebly.com/uploads/1/3/5/2/135295834/miwojudosopa_jotejodatut_zelakivemubu.pdfIn PDF document text
- http://xelasurugopu.mywebcommunity.org/engineering_workshop_materials_list.pdfIn PDF document text
- https://cdn.sqhk.co/kowukogifaw/P6Sij35/kasepusapenoduvizovudenas.pdfIn PDF document text
- https://cdn.sqhk.co/tizudukokeni/gMEifgi/fuwidebuwupegedisa.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/5e3e3f9a-9185-439a-ae01-f807a12c1611/42702508513.pdfIn PDF document text
- https://edefa294-c65c-46c5-840b-8a4669b9fdfe.filesusr.com/ugd/e4a001_38bf943d589f401f965ad1a0a94a5295.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f41df662-216f-4f27-a5fe-fe7fe5545130/49778374612.pdfIn PDF document text
- https://11f44e1d-c86f-4be6-baa1-90970e7c24f5.filesusr.com/ugd/a298ce_81b9ac2a27244cdb92846ec5c37b4786.pdf?index=trueIn PDF document text
- https://7d14b3fe-44ab-47f5-a5a4-fb5d7998febd.filesusr.com/ugd/ba499c_d1c7f7f1123a4431a5e8e9fda8775287.pdf?index=trueIn PDF document text
- https://8546b567-499d-44cb-812b-f4cb210fa0cc.filesusr.com/ugd/1f0b74_545c8f8c9c8d48ce9e5ccdb6e8adb67f.pdf?index=trueIn PDF document text
- https://1ffb5d6c-d890-49e0-9b87-dc10fbfa49e2.filesusr.com/ugd/8bc2a6_4a64d2b1ad064e859bc478c239ccd356.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8c8e63c2-63c9-4f36-99ff-1f4af1547d65/what_is_the_primary_purpose_of_the_stark_law.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_off0000ef69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF69 | 5328 bytes |
SHA-256: e05a3aa5241de2a51c9dea3d58176329500ea1e31d858f6606854c1f60c69870 |
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font_01_sfnt_off0001016f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1016F | 10332 bytes |
SHA-256: 729315929e7c644cfde5e97498f628c4d78f36cd21848745eae9315a540c285b |
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