MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious and contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing attempt. The document body, though partially obfuscated, contains a title related to English grammar, likely a lure to disguise the malicious intent. The presence of numerous external URIs and the ML classifier's high confidence score indicate a strong likelihood of malicious activity, potentially leading to further compromise via the linked resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://kuzutuzo.ru/strik?utm_term=ejemplos+de+verbos+regulares+en+pasado+simple+en+ingles PDF link annotation
- http://mikovil.mywebcommunity.org/kiswahili_phonetics_and_phonology.pdfIn PDF document text
- https://gidupewurugi.weebly.com/uploads/1/3/1/6/131637306/fixavaruja.pdfIn PDF document text
- https://xixebume.weebly.com/uploads/1/3/0/9/130969831/lidemotubu-kiverikoxobuzo-jaxutute.pdfIn PDF document text
- http://tonedomopoja.scienceontheweb.net/weekly_work_schedule.pdfIn PDF document text
- https://tabawowap.weebly.com/uploads/1/3/4/5/134599755/zudugixi.pdfIn PDF document text
- https://tisudarolajese.weebly.com/uploads/1/3/0/8/130813738/tamogoniputu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477637/normal_60470d1c2a5ab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479254/normal_6011d9c6951e2.pdfIn PDF document text
- http://kitixukizogutik.mygamesonline.org/encyclopedia_of_ancient_greek_language_and_linguistics.pdfIn PDF document text
- http://xafegadixugu.iblogger.org/5864425717.pdfIn PDF document text
- https://mejekuveko.weebly.com/uploads/1/3/5/3/135392268/ledapovujetora.pdfIn PDF document text
- http://legivupipofu.66ghz.com/medevejovabul.pdfIn PDF document text
- http://takafebuxoz.22web.org/fesisu.pdfIn PDF document text
- http://zipibewivuxe.22web.org/betiwegiwibisonuwexutu.pdfIn PDF document text
- https://kutowovazamil.weebly.com/uploads/1/3/4/3/134362820/nowijilepubirofozut.pdfIn PDF document text
- https://lerojapozexux.weebly.com/uploads/1/3/4/0/134016693/lagigedasigejuvamuvu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://muzulozak.atwebpages.com/24200458893.pdfIn PDF document text
- http://pirafabitibabik.rf.gd/the_7_bridges_of_konigsberg_answer.pdfIn PDF document text
- http://nitusul.rf.gd/vipukavosodelexo.pdfIn PDF document text
- http://dikawixum.epizy.com/66001783371.pdfIn PDF document text
- http://japinoxizidunub.myartsonline.com/how_long_is_romeo_and_juliet_book.pdfIn PDF document text
- http://pabadebaluke.rf.gd/time_complexity_of_algorithms_cheat_sheet.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_off0000e9d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D2 | 5512 bytes |
SHA-256: 26587f36ca903b5ae62dd7c903da3f7293d2afb118be5cb3a3f1ffff8a16cd39 |
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font_01_sfnt_off0000fc7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC7B | 12164 bytes |
SHA-256: 66e11bff38250904342a6fc7684aaac2bcbd4107acf40c02dee5c9cc9067120a |
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