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 known malicious redirector. The document body, though heavily obfuscated, contains text related to 'work and energy worksheet answers' and includes the malicious URL, suggesting a lure to phishing or malware distribution sites. The ML classifier also strongly indicated maliciousness.
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.link/wix?keyword=work+and+energy+worksheet+answers
- http://files.zetakappakappa.org/uploads/1/3/0/8/130874510/wexexasagumagit-magobelalasufa.pdf
- http://texosotim.metricsconstruction.com/uploads/1/3/2/7/132740624/fesulivunuxepovuvi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://c9d876ba-0950-46dd-b780-14384ed4447a.filesusr.com/ugd/762c1a_72d0beec13a54344b4714a35bc46c0b5.pdf?index=true
- https://97536c4c-77f7-4fa2-a25c-087a411fb5b7.filesusr.com/ugd/b81754_10cf512afc42436fbaca9d0a45750ff7.pdf?index=true
- https://da334ddf-da98-432e-8d58-ac9ff5a4d4fe.filesusr.com/ugd/bdc04d_c7518341d21440588123f0cb06a5a430.pdf?index=true
- https://dfff59d0-0b77-476c-8c41-989ab535198d.filesusr.com/ugd/2ca09c_54e3dacfbee445febe0812498ae7a60e.pdf?index=true
- https://e0b55c5c-5ec7-496f-853b-ac85ff66258e.filesusr.com/ugd/edb4a7_2901d1df69df42068ed3b7f070286156.pdf?index=true
- https://cdn.shopify.com/s/files/1/0441/4255/9384/files/learn_english_grammar_through_tamil_download.pdf
- https://cdn.shopify.com/s/files/1/0439/0980/8280/files/herbalism_guide_wow_legion.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52657742202.pdf
- https://cdn.shopify.com/s/files/1/0427/7361/0663/files/xemexer.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_off00007157.bin1fd7f33c3db28454fcc8ee11272cb9798713b1f87efe920caa4289d728f594bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7157 | 5324 bytes |
font_01_sfnt_off00008391.bineeceb763d1fbeda6528db6b87c62a351dc2d1956e5f1bacc27b72a54dc0db997 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8391 | 14832 bytes |
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