MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by an ML classifier as malicious. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation scheme. One of the primary links, 'https://leonvi.ru/strik?utm_term=what+is+the+importance+of+article+22', appears to be a redirector. While no scripts were directly extracted, the PDF structure and the presence of numerous external links indicate a potential for malicious redirection or content delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://leonvi.ru/strik?utm_term=what+is+the+importance+of+article+22 PDF link annotation
- http://moxipafuxoxo.mygamesonline.org/capitalism_and_freedom_milton_friedman.pdfIn PDF document text
- https://murexaxinafol.weebly.com/uploads/1/3/4/4/134456221/bulobajaf_nobeliteji.pdfIn PDF document text
- https://gavedomosuzutu.weebly.com/uploads/1/3/4/2/134234743/gabulavizomawom_fizirexalezodag_basujujagasavu_litofumunule.pdfIn PDF document text
- http://baramijotafexo.mypressonline.com/xosilukigigezeb.pdfIn PDF document text
- https://cdn.sqhk.co/rekosiseweno/ahg5hdc/kebojefororat.pdfIn PDF document text
- https://buwumesuja.weebly.com/uploads/1/3/5/3/135303403/kosifaworo.pdfIn PDF document text
- https://cdn.sqhk.co/vorebilifi/idCTaQs/pokemon_mod_for_minecraft_java_edition.pdfIn PDF document text
- https://kitopelok.weebly.com/uploads/1/3/4/3/134355781/rejaganu-dajolizafejuzi-dototidovevi.pdfIn PDF document text
- https://cdn.sqhk.co/rajexizeba/P3jhge9/45919531860.pdfIn PDF document text
- http://tezuveripoxub.mypressonline.com/araby_literary_analysis.pdfIn PDF document text
- https://talaxosukizarom.weebly.com/uploads/1/3/0/7/130775084/wezotowijeram-zagomopujasis.pdfIn PDF document text
- http://gekenig.mywebcommunity.org/download_ebook_akuntansi_biaya.pdfIn PDF document text
- https://sojuseruk.weebly.com/uploads/1/3/4/3/134367588/6977062.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://044e8d80-c429-4a1f-820d-9b443c65b389.filesusr.com/ugd/53c654_8a13679863d24353ac799b45ac1ee95a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f9640266-e7ed-44b3-84f0-3c0a2f12f033/the_new_encyclopedia_of_modern_bodybuilding_the_bible_of_bodybuilding_by_arnold_schwarzenegger.pdfIn PDF document text
- https://4253c66a-660d-4c83-b31d-f715833d547b.filesusr.com/ugd/d9e9a0_b75b9673b99948968c952904ec9ff888.pdf?index=trueIn PDF document text
- https://e0220c8c-c322-4c33-af83-7c5b0fe00b66.filesusr.com/ugd/a771bd_e5cca99e97a84a97adf80f99207cda77.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ebc43233-1418-4d65-9140-5f7a50be9ef1/what_is_url_of_google_classroom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2ad26710-651e-456f-8b7a-532be22049d2/79756646737.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000101be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101BE | 5188 bytes |
SHA-256: 349c2419434454103e9743d256e3fc2c07ac20f8c0af5151d3b87f990b88ee24 |
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font_01_sfnt_off00011337.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11337 | 10752 bytes |
SHA-256: 04918a41dd13fc8fb8a831f05748ac317e467e0084e6d1bd5a145309e39e59e1 |
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font_02_sfnt_off00013792.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13792 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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