MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though heavily obfuscated, contains a URL that likely serves as the initial lure. The ML classifier strongly indicates maliciousness, and the presence of numerous external links suggests a campaign to distribute malware or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://cctraff.ru/strik?keyword=lesson+3.1+assignment+answers In PDF document text
- https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/puluxa.pdfIn PDF document text
- https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/belufokomodosijimona.pdfIn PDF document text
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/1469848.pdfIn PDF document text
- https://jawiniralegewo.weebly.com/uploads/1/3/4/4/134492986/mamimotivopi_nakijepubul_danoxixe.pdfIn PDF document text
- https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/5650151.pdfIn PDF document text
- https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/sesabifeto-jafavefixoguzo-porukefojek.pdfIn PDF document text
- https://winomumamo.weebly.com/uploads/1/3/1/0/131070375/vobusuvuzupabu_telobe_xivonamubaj.pdfIn PDF document text
- https://derodaju.weebly.com/uploads/1/3/1/6/131606282/ae413c2dd30e6.pdfIn PDF document text
- https://wodedofa.weebly.com/uploads/1/3/4/3/134320626/9633374.pdfIn PDF document text
- https://zilavexeredora.weebly.com/uploads/1/3/0/8/130874610/46031f6ce.pdfIn PDF document text
- https://zejibafubetu.weebly.com/uploads/1/3/4/1/134108860/3acd9cf91796.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0497/2468/6493/files/area_code_310_prefixes.pdfIn PDF document text
- https://s3.amazonaws.com/ginutu/feminist_liberation_theology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/0105/2836/files/kitchenaid_under_counter_ice_maker_reviews.pdfIn PDF document text
- https://s3.amazonaws.com/minaxigevani/kifedagazaru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5591/2862/files/eric_carmen_songs_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9050/0001/files/mengubah_file_ke_word_di_hp.pdfIn PDF document text
- https://s3.amazonaws.com/teximikamukubo/98015860619.pdfIn PDF document text
- https://s3.amazonaws.com/tadovu/megupel.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_off00008352.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8352 | 5252 bytes |
SHA-256: 169b7a9593b385b5e46d94549979fe7eb6b5c905efcf000f9bc41ec9d4aef465 |
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font_01_sfnt_off0000953c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x953C | 10852 bytes |
SHA-256: fbf0aeb8aa95ace7e002808f30183cad09e23bde91c9f61c90b7eef8f6f57c3b |
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