MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to 'valence electrons worksheet lewis structures', likely intended to trick users into clicking the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://xezojetit.ru/wix?keyword=valence+electrons+worksheet+lewis+structures PDF link annotation
- https://repotadidutu.weebly.com/uploads/1/3/4/3/134310826/5163083.pdfIn PDF document text
- https://lopatitegadusi.weebly.com/uploads/1/3/5/3/135311006/femutiju_jagemiko.pdfIn PDF document text
- http://bulakirip.getenjoyment.net/history_book_big_ideas_simply_explained.pdfIn PDF document text
- https://jodejivosarixu.weebly.com/uploads/1/3/4/3/134314211/wetubefi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384470/normal_600cfe118ec66.pdfIn PDF document text
- https://bujabofilurukok.weebly.com/uploads/1/3/2/6/132682168/5155188.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383565/normal_6020d411eb671.pdfIn PDF document text
- http://koxudizujan.mywebcommunity.org/ecological_diversity.pdfIn PDF document text
- http://vizexibidoxi.getenjoyment.net/ver_pelicula_el_mundo_de_sofia_en_espaol_latino_gratis.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417429/normal_6015778ab986a.pdfIn PDF document text
- https://cdn.sqhk.co/xulawajikigi/6gjjhx1/key_battles_of_the_us_civil_war.pdfIn PDF document text
- https://binenivav.weebly.com/uploads/1/3/4/5/134516867/15af4934f13f0.pdfIn PDF document text
- https://sebinegovana.weebly.com/uploads/1/3/4/0/134095930/vafim_rigifo_zizedebigurune.pdfIn PDF document text
- https://cdn.sqhk.co/nafumozuwe/qaNrhcK/99826488243.pdfIn PDF document text
- http://nusowutevu.getenjoyment.net/94545900696.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://rovizomaguwex.atwebpages.com/sasuvitanabo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b2e0cd00-915a-4cb6-9d10-26291b2e7483/butavamuboxagamizi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7700e4d3-7d88-415d-8493-35e84e6ff3f0/12566200855.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26492d24-b446-4770-9588-05399c051571/where_to_buy_cheap_harry_potter_wands.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c3c2e077-a91f-4482-b954-d4a2a6bf7880/70765150700.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_off0000e6f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6F4 | 5008 bytes |
SHA-256: f33a89de704f6eb43a7e36c5534a808155e6522e33811becfbc2e34a5a72225a |
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font_01_sfnt_off0000f80a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF80A | 10652 bytes |
SHA-256: 1b17e9425cfed6f98353d89b5e7711bf0431af3211f6541cb199977749aa8838 |
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