MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document 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 hosted on disposable domains, suggesting a link farm designed to direct users to potentially harmful content. The document body, though partially corrupted, suggests a lure related to argumentative essays, which is likely a pretext to mask the malicious nature of the embedded URLs.
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://jacksth.ru/strik?utm_term=ejemplo+de+un+ensayo+argumentativo+corto+con+sus+partes PDF link annotation
- https://static.s123-cdn-static.com/uploads/4384164/normal_5ff8b6e2349e0.pdfIn PDF document text
- https://tadodilupusoje.weebly.com/uploads/1/3/4/7/134702012/sokorab_lekirafobij_xupaziwef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495536/normal_605a73ad118d8.pdfIn PDF document text
- https://rezigetofetima.weebly.com/uploads/1/3/1/1/131163738/3e65b.pdfIn PDF document text
- http://detonic-hypertonie.website/how_to_explain_the_balance_sheetc8tw3.pdfIn PDF document text
- http://xekumaluvox.iblogger.org/86417824148.pdfIn PDF document text
- http://poradoit1.site/975765711507ul18.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366048/normal_60438bdb20054.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470019/normal_6047f131e5968.pdfIn PDF document text
- https://jaloteke.weebly.com/uploads/1/3/4/0/134096083/wowumilorativ_tuxidid_neratapatod_ligomavun.pdfIn PDF document text
- https://kitabenulo.weebly.com/uploads/1/3/0/9/130969432/walawojifekojog.pdfIn PDF document text
- https://fumabufoduf.weebly.com/uploads/1/3/5/3/135313851/timonujesusokepit.pdfIn PDF document text
- http://zagafesujed.iblogger.org/jumaj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465930/normal_602e269bc388f.pdfIn PDF document text
- http://merutakozuxonu.22web.org/92783269831.pdfIn PDF document text
- https://vugogirofezufus.weebly.com/uploads/1/3/4/3/134355312/bofikowubiselox.pdfIn PDF document text
- http://checkmyscore.info/where_can_i_write_a_review_on_a_restaurantjukdk.pdfIn PDF document text
- https://cdn.sqhk.co/midipijikami/jbGMjaa/xegekexeligomijivi.pdfIn PDF document text
- https://cdn.sqhk.co/jirudumom/jwhjher/95483579322.pdfIn PDF document text
- https://besusawoses.weebly.com/uploads/1/3/5/3/135318815/6984e650b5d8.pdfIn PDF document text
- https://cdn.sqhk.co/xosaletozobi/S6jc4ji/hubspot_agency_certification_answers.pdfIn PDF document text
- https://rezisepadas.weebly.com/uploads/1/3/4/2/134235668/gozazilosivepozevi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wuxuxumeso.rf.gd/biot_savart_law_derivation_equation.pdfIn PDF document text
- http://setowibuvi.epizy.com/85247165723.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_off0000fad8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD8 | 5588 bytes |
SHA-256: bfc500bdf7d2789a6d63f78b724920b8c918bfc9375f6a1a388e49c82f026f37 |
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font_01_sfnt_off00010dd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD6 | 12152 bytes |
SHA-256: 7bfca54c040ca3f7c3f425193871d0e8013f280f8cbabde6b5629400b732a3cf |
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