MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector, disguised as an Acrobat Reader download. The ML classifier strongly indicated maliciousness, and the PDF structure suggests a link farm designed to distribute malware. The embedded URLs and the heuristic firings indicate a phishing attempt to trick users into downloading malicious software.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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://ttraff.club/pify?keyword=acrobat+reader+software++for+windows+10
- http://files.tufproductions.net/uploads/1/3/0/8/130814014/9f290cf6be2ad2.pdf
- http://files.embeestudio.com.au/uploads/1/3/2/8/132814476/9985900.pdf
- http://muzit.knightandtrident.com/uploads/1/3/1/4/131452938/4a3ed991a3c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/db93e9_7cdd7892c744457092e4b45a96cab74d.pdf
- https://cdn.shopify.com/s/files/1/0430/6662/2101/files/24405919759.pdf
- https://cdn.shopify.com/s/files/1/0432/3160/8989/files/cissp_practice_exams_4th_edition.pdf
- https://cdn.shopify.com/s/files/1/0434/2611/9847/files/39875545941.pdf
- https://cdn.shopify.com/s/files/1/0433/5671/7224/files/arikil_nee_undayirunnenkil_ringtone.pdf
- https://cdn.shopify.com/s/files/1/0431/8494/7357/files/security_group_cloudformation.pdf
- https://cdn.shopify.com/s/files/1/0429/8126/1466/files/kfi_john_and_ken_voter_guide_2016.pdf
- https://cdn.shopify.com/s/files/1/0440/1594/3845/files/control_system_engineering_7th_edition.pdf
- https://cdn.shopify.com/s/files/1/0457/7122/7302/files/reptiles_and_amphibians_preschool_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0437/7087/1970/files/belaying_pin_5e.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_off00006dfa.bin0a91ea96ac971c9a928e5a8203e5de9a0eac9a2521f3889bad4c904416c7e0f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DFA | 5400 bytes |
font_01_sfnt_off0000807c.bin730a7d1e15b8dc76f844b879e388023bc439074156ec6420ef3f1f4df5a6c588 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x807C | 10032 bytes |
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