MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as a link farm, containing a large number of external links to various domains, some of which are hosted on disposable web hosting services. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing or trojan. The embedded URLs suggest an attempt to redirect users to potentially harmful content or to manipulate search engine results.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://resalured.ru/123?utm_term=microbiology+mcq+questions+answers PDF link annotation
- https://sowobufujugazid.weebly.com/uploads/1/3/0/8/130873997/rinelevaminigag.pdfIn PDF document text
- https://tojemevu.weebly.com/uploads/1/3/1/3/131384016/wodemidejukise_nogivufo_rosigop.pdfIn PDF document text
- http://towibukawit.22web.org/alzheimer_tratamiento_fisioterapeutico.pdfIn PDF document text
- http://kegeminu.iblogger.org/90128329424.pdfIn PDF document text
- https://funiduned.weebly.com/uploads/1/3/4/7/134773133/24c3be7b6.pdfIn PDF document text
- http://tubosigodujel.22web.org/cours_cercle_trigonomtrique_seconde.pdfIn PDF document text
- https://lotigasi.weebly.com/uploads/1/3/4/7/134705720/8358238.pdfIn PDF document text
- http://ruvujagefeko.mygamesonline.org/carl_rogers_on_becoming_a_person_1961_reference.pdfIn PDF document text
- http://gekodejevotug.medianewsonline.com/excel_vlookup_user_guide.pdfIn PDF document text
- https://lisubavami.weebly.com/uploads/1/3/4/3/134331762/7952213.pdfIn PDF document text
- https://beretukajawedu.weebly.com/uploads/1/3/4/7/134713042/9395115.pdfIn PDF document text
- https://safadusuxujex.weebly.com/uploads/1/3/4/3/134319972/fevekusemapeved.pdfIn PDF document text
- https://watagejikifawup.weebly.com/uploads/1/3/4/5/134589749/vokaxen_bepas_pejogabuniku_gutobe.pdfIn PDF document text
- https://lisevududotuwak.weebly.com/uploads/1/3/4/2/134265384/sowimi.pdfIn PDF document text
- http://pinezotamex.getenjoyment.net/janovugazimenazafuvesiw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pelebirepopo.onlinewebshop.net/73567216989.pdfIn PDF document text
- http://xonolori.atwebpages.com/broiler_chickens.pdfIn PDF document text
- https://8ee4d174-735f-4cd7-9396-c3a65dbcc337.filesusr.com/ugd/5ac313_fa7a5212d9d9484c9d1b2788474f1040.pdf?index=trueIn PDF document text
- http://vowariki.rf.gd/basha_telugu_movie_songs_naa.pdfIn PDF document text
- http://joxelexudar.epizy.com/abortion_law_reform_act_nsw.pdfIn PDF document text
- https://42e65457-ec34-4553-8979-78b6e302f774.filesusr.com/ugd/f1976d_87ee8cace0a24e5c874014823bcdc4d4.pdf?index=trueIn PDF document text
- https://377d1c6c-8747-407e-9a0d-bb8234813250.filesusr.com/ugd/f0b1fd_f2b1e169b4bf4d91867926b2bec17270.pdf?index=trueIn PDF document text
- https://8acf0fc4-2da8-4686-9788-d7840b5449fc.filesusr.com/ugd/fab691_2f0b177683a74e0ea6abdb149c271a4f.pdf?index=trueIn 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_off0000f642.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF642 | 5584 bytes |
SHA-256: 6d52bce2ee0d61585225c8b4ec7c3aff22670f7a99afa43c560de5deaa092319 |
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font_01_sfnt_off00010949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10949 | 10760 bytes |
SHA-256: 8c78c559b6eaad55e8414f0398b9d30a41a4d0cf31c8ed3811a4247e37d3decf |
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