MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'punnett squares worksheet' and a URL that aligns with the malicious redirector heuristic. The presence of numerous external PDF links suggests a link farm for SEO manipulation, likely to distribute malware or phishing content. 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.club/wix?keyword=introduction+to+punnett+squares+worksheet
- http://lowavasu.displayzon.com/uploads/1/3/1/4/131406557/2154487.pdf
- http://files.coutret.com/uploads/1/3/0/7/130776204/bilavi.pdf
- http://xuwipo.taylordesignarchitects.com/uploads/1/3/0/8/130874493/2232213.pdf
- http://wonopizux.moravianseminary.org/uploads/1/3/1/6/131606490/nupimovuvabewozetaj.pdf
- http://files.simplyserene.com.au/uploads/1/3/2/7/132740338/fobez-masiwutexe-mizeboba.pdf
- http://talox.m.transformationlifecoaching.net/uploads/1/3/0/7/130775403/webijuluku.pdf
- http://files.spiritualbirthing.com/uploads/1/3/1/3/131380128/kotatus_ravuso.pdf
- http://gexajodu.ticbali.net/uploads/1/3/2/8/132816165/tuwukidapi_dolukisik_bekijuf_jozabuzeropa.pdf
- https://ccec6b51-017f-4bf4-85d6-eab4d616503f.filesusr.com/ugd/95ea6b_5e4c216fe5e2411e8997870ea8c90dae.pdf?index=true
- https://59e9f2d9-ee95-45b3-aa7b-bdb56fb16437.filesusr.com/ugd/d31907_f1766eca5ec644b4a0ca410876db1de1.pdf?index=true
- https://903a1085-6edd-4a70-9bad-3005a41429e2.filesusr.com/ugd/31bf02_a16ef22e0d3846148924563aed647250.pdf?index=true
- https://c9263292-f81e-4f6d-8ad4-5d156e405bac.filesusr.com/ugd/685707_9a24167bce984fce8d0f41cd3a323d0d.pdf?index=true
- 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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e23.bin8c839e9b7070207c01f63b5aa9c17d8e2a67fbfa44fa763d2149131e2c56b8ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E23 | 5348 bytes |
font_01_sfnt_off00007058.bin9ff5eafaef385f1b76c08ba845e772ec05e7c5e6502dabadef240a605d06676e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7058 | 9768 bytes |
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