MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'cbse class 10 biology chapter 1 notes pdf' and a URL that appears to be part of an SEO spam or phishing campaign. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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://ttraff.com/pify?keyword=cbse+class+10+biology+chapter+1+notes+pdf
- http://files.integrium.co/uploads/1/3/1/3/131383586/tadoxepeve.pdf
- http://kexugut.shalomsart.com/uploads/1/3/1/1/131163599/warepunojekeg_jegajuniwajalu.pdf
- http://files.vertsdispensary.com/uploads/1/3/0/8/130813846/kodiluzufenuwejozu.pdf
- http://runofaj.sodacitygymnastics.com/uploads/1/3/1/3/131383483/6972175.pdf
- http://jumila.shivapianostudio.com/uploads/1/3/0/7/130738732/6690118.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2072/2080/files/birufigejogav.pdf
- https://cdn.shopify.com/s/files/1/0437/9181/0717/files/19760351531.pdf
- https://cdn.shopify.com/s/files/1/0432/6726/0582/files/47288460635.pdf
- https://cdn.shopify.com/s/files/1/0430/1357/0709/files/34717259594.pdf
- https://cdn.shopify.com/s/files/1/0448/4349/9677/files/positive_affirmations_for_students.pdf
- https://cdn.shopify.com/s/files/1/0429/3407/5558/files/76008383061.pdf
- https://cdn.shopify.com/s/files/1/0428/1381/6995/files/22479982647.pdf
- https://cdn.shopify.com/s/files/1/0429/5429/3402/files/gigafo.pdf
- https://cdn.shopify.com/s/files/1/0431/7095/5424/files/17072668259.pdf
- https://cdn.shopify.com/s/files/1/0434/5911/7206/files/92466529482.pdf
- https://cdn.shopify.com/s/files/1/0428/3337/9487/files/coliformes_totais_na_gua.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ac0e.binf2cafb2039862780663813d339b428e1dfa00b520e0c85432712eabd4d24ba48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC0E | 5756 bytes |
font_01_sfnt_off0000bfa0.bin85d5d80085e0beb7e5154c6c13740fa9e55467dbbadd9e7bd9f9cb09357431ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFA0 | 10080 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.