MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document exhibits characteristics of a link farm, with numerous external URLs embedded within its structure. The primary URL, 'https://jacksth.ru/strik?utm_term=can+apple+cider+vinegar+help+whiten+teeth', suggests a phishing or SEO spam lure. While no scripts were directly extracted, the PDF structure and the high number of external links, including those on disposable hosting, indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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 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://jacksth.ru/strik?utm_term=can+apple+cider+vinegar+help+whiten+teeth PDF link annotation
- https://wawanuxofidote.weebly.com/uploads/1/3/0/7/130775818/8087536.pdfIn PDF document text
- http://acupofjacob.com/sims_2_trke_yama3mo3g.pdfIn PDF document text
- https://lokejefu.weebly.com/uploads/1/3/5/3/135301848/f93edf.pdfIn PDF document text
- http://sutarakikim.scienceontheweb.net/jevikama.pdfIn PDF document text
- http://busurman.space/nozodi9p6o7.pdfIn PDF document text
- http://lnstagramverifiedbadge-form.com/knex_big_ball_factory_63045_parts_list1mp6a.pdfIn PDF document text
- https://nebemono.weebly.com/uploads/1/3/4/3/134331812/149bd70c86.pdfIn PDF document text
- https://lilafigofuku.weebly.com/uploads/1/3/1/3/131398347/niguv.pdfIn PDF document text
- http://vipmanmarket.space/54601443451h1mvi.pdfIn PDF document text
- https://nezivubu.weebly.com/uploads/1/3/1/3/131384481/biruniluridewa-wamolepukupos.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jemileti.atwebpages.com/alto_shaam_smoker_for_sale.pdfIn PDF document text
- https://945c5b1a-9feb-4a08-b72d-c905ca1b1520.filesusr.com/ugd/27135d_e861a55a4e764bb3944ccaba37e954a4.pdf?index=trueIn PDF document text
- http://fikovik.epizy.com/xadexovolupalofav.pdfIn PDF document text
- https://a0f88182-e1f9-4a9c-ba22-d5ce004c6985.filesusr.com/ugd/2f3216_bff7fced9775406b8b04467574f1fa42.pdf?index=trueIn PDF document text
- https://a121017b-3fb3-450c-9156-48dd71a9bf80.filesusr.com/ugd/07625c_62bc8bd341de4f72af45d96c10ff1da4.pdf?index=trueIn PDF document text
- http://rokodejufoda.rf.gd/national_geographic_en_espaol.pdfIn PDF document text
- http://jarobifuxoletow.rf.gd/gumakazofi.pdfIn PDF document text
- https://67389751-14cc-4ed3-b660-7ef7239e4cc3.filesusr.com/ugd/bb5584_46fd1d65d1c742dda0f37559729e3adb.pdf?index=trueIn PDF document text
- https://9eb5ee95-128e-4115-bcd6-d8db8525ce49.filesusr.com/ugd/9904c2_7b213aa04d8f49739e64abf0164aa599.pdf?index=trueIn PDF document text
- https://5862e4ea-63a6-4c92-af93-e06d02d1a664.filesusr.com/ugd/eaa371_9918e4969026440dbdcc6d088a2c0c2e.pdf?index=trueIn PDF document text
- https://0aa989e7-076c-475f-bc22-fff5ae310860.filesusr.com/ugd/b44be6_697f24044d194ecf82854494df04b512.pdf?index=trueIn PDF document text
- http://mifedisiso.atwebpages.com/tomamojupusenukinobowuze.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_off00010e79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E79 | 5212 bytes |
SHA-256: daf548a0040399ec0086ba142569677e0c8006707ec50071b1c6ece22b30aff7 |
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font_01_sfnt_off0001203e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1203E | 11336 bytes |
SHA-256: 18277f0f3fd03aa06fc3911ed84e37bc91fd94f0e9164326b1882f1b67cd3a66 |
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