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 0.9991
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://infrive.ru/pbw?utm_term=cursos+de+ingles+basico+pdf+gratis PDF link annotation
- https://cdn-cms.f-static.net/uploads/4380078/normal_60bd4b8a3e668.pdfIn PDF document text
- https://radugolun.weebly.com/uploads/1/3/4/3/134367443/bujugax_pafilazad.pdfIn PDF document text
- https://seruliwosudaz.weebly.com/uploads/1/3/4/4/134457931/xigoxavexeja.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4468550/normal_60001546cd0e3.pdfIn PDF document text
- https://majijajivetik.weebly.com/uploads/1/3/4/2/134265766/3493469.pdfIn PDF document text
- https://sejexogubason.weebly.com/uploads/1/3/1/0/131070030/3256179.pdfIn PDF document text
- https://tepidopuk.weebly.com/uploads/1/3/4/6/134698813/xaxaduvizof.pdfIn PDF document text
- https://lawukexudemodu.weebly.com/uploads/1/3/4/0/134041757/d7b3dae16009ac.pdfIn PDF document text
- https://donedupefunesu.weebly.com/uploads/1/3/1/6/131607777/pelinosorimusabud.pdfIn PDF document text
- https://nusavudusegi.weebly.com/uploads/1/3/4/4/134444144/xupemurakur_xilezet_davudire.pdfIn PDF document text
- https://xalusadi.weebly.com/uploads/1/3/4/5/134595224/a31aee199e8.pdfIn PDF document text
- https://rujogapojepon.weebly.com/uploads/1/3/4/5/134597846/bizunapubuderugok.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418192/normal_5feba44eea2e4.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/c03b86a3-3d1f-44ad-99ae-c4c78ed15739/the_ravenous_pig_disney_springs.pdfIn PDF document text
- http://wojoxevom.pbworks.com/f/jugomaguko.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/976e4215-b627-47ec-aeb4-3754e9bb6070/48208065151.pdfIn PDF document text
- http://nunaruribeg.pbworks.com/f/bartending_tips_and_tricks_for_beginners.pdfIn PDF document text
- http://lakiluxodev.pbworks.com/f/96189741501.pdfIn PDF document text
- http://lakiluxodev.pbworks.com/f/how_do_you_draw_a_dilation.pdfIn PDF document text
- http://wiwedano.pbworks.com/w/file/fetch/144427248/jidelimeterodugitet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d06793c-f8b3-4c7f-9c3f-15a2242a2f44/oral_b_500_vs_1000_vs_1500.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cbaadb48-c3df-4d42-803c-97148302151e/going_postal_terry_pratchett_cast.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/33d00184-9e38-465e-ba9f-97d5f11c495e/craftsman_12_tilt_head_bandsaw_review.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e490.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE490 | 5368 bytes |
SHA-256: 32c37185b91efd298d288d025fefa1aea56d1ebff5cc367904ccf5c65c1cca00 |
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font_01_sfnt_off0000f6d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D9 | 11616 bytes |
SHA-256: c3556adbf562003290942a3bc403e9db9ff50b50d59bf7776f89708fecfb31b2 |
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font_02_sfnt_off00011caf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CAF | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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